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-rw-r--r--drivers/acpi/Kconfig5
-rw-r--r--drivers/acpi/Makefile5
-rw-r--r--drivers/acpi/acpi_extlog.c17
-rw-r--r--drivers/acpi/acpi_lpit.c2
-rw-r--r--drivers/acpi/acpi_mrrm.c185
-rw-r--r--drivers/acpi/acpi_pad.c7
-rw-r--r--drivers/acpi/acpi_pcc.c13
-rw-r--r--drivers/acpi/acpi_pnp.c4
-rw-r--r--drivers/acpi/acpi_processor.c2
-rw-r--r--drivers/acpi/acpi_video.c16
-rw-r--r--drivers/acpi/acpica/acapps.h4
-rw-r--r--drivers/acpi/acpica/accommon.h2
-rw-r--r--drivers/acpi/acpica/acconvert.h2
-rw-r--r--drivers/acpi/acpica/acdebug.h4
-rw-r--r--drivers/acpi/acpica/acdispat.h2
-rw-r--r--drivers/acpi/acpica/acevents.h2
-rw-r--r--drivers/acpi/acpica/acglobal.h2
-rw-r--r--drivers/acpi/acpica/achware.h2
-rw-r--r--drivers/acpi/acpica/acinterp.h5
-rw-r--r--drivers/acpi/acpica/aclocal.h6
-rw-r--r--drivers/acpi/acpica/acmacros.h2
-rw-r--r--drivers/acpi/acpica/acnamesp.h2
-rw-r--r--drivers/acpi/acpica/acobject.h2
-rw-r--r--drivers/acpi/acpica/acopcode.h2
-rw-r--r--drivers/acpi/acpica/acparser.h2
-rw-r--r--drivers/acpi/acpica/acpredef.h2
-rw-r--r--drivers/acpi/acpica/acresrc.h2
-rw-r--r--drivers/acpi/acpica/acstruct.h2
-rw-r--r--drivers/acpi/acpica/actables.h2
-rw-r--r--drivers/acpi/acpica/acutils.h2
-rw-r--r--drivers/acpi/acpica/amlcode.h2
-rw-r--r--drivers/acpi/acpica/amlresrc.h10
-rw-r--r--drivers/acpi/acpica/dbhistry.c2
-rw-r--r--drivers/acpi/acpica/dsargs.c2
-rw-r--r--drivers/acpi/acpica/dscontrol.c2
-rw-r--r--drivers/acpi/acpica/dsdebug.c2
-rw-r--r--drivers/acpi/acpica/dsfield.c2
-rw-r--r--drivers/acpi/acpica/dsinit.c2
-rw-r--r--drivers/acpi/acpica/dsmethod.c9
-rw-r--r--drivers/acpi/acpica/dsmthdat.c1
-rw-r--r--drivers/acpi/acpica/dsobject.c2
-rw-r--r--drivers/acpi/acpica/dsopcode.c2
-rw-r--r--drivers/acpi/acpica/dspkginit.c2
-rw-r--r--drivers/acpi/acpica/dsutils.c9
-rw-r--r--drivers/acpi/acpica/dswexec.c2
-rw-r--r--drivers/acpi/acpica/dswload.c2
-rw-r--r--drivers/acpi/acpica/dswload2.c2
-rw-r--r--drivers/acpi/acpica/dswscope.c2
-rw-r--r--drivers/acpi/acpica/dswstate.c2
-rw-r--r--drivers/acpi/acpica/evevent.c2
-rw-r--r--drivers/acpi/acpica/evglock.c2
-rw-r--r--drivers/acpi/acpica/evgpe.c2
-rw-r--r--drivers/acpi/acpica/evgpeblk.c2
-rw-r--r--drivers/acpi/acpica/evgpeinit.c2
-rw-r--r--drivers/acpi/acpica/evgpeutil.c2
-rw-r--r--drivers/acpi/acpica/evhandler.c2
-rw-r--r--drivers/acpi/acpica/evmisc.c2
-rw-r--r--drivers/acpi/acpica/evregion.c2
-rw-r--r--drivers/acpi/acpica/evrgnini.c2
-rw-r--r--drivers/acpi/acpica/evxface.c2
-rw-r--r--drivers/acpi/acpica/evxfevnt.c2
-rw-r--r--drivers/acpi/acpica/evxfgpe.c2
-rw-r--r--drivers/acpi/acpica/evxfregn.c2
-rw-r--r--drivers/acpi/acpica/exconcat.c2
-rw-r--r--drivers/acpi/acpica/exconfig.c2
-rw-r--r--drivers/acpi/acpica/exconvrt.c6
-rw-r--r--drivers/acpi/acpica/excreate.c2
-rw-r--r--drivers/acpi/acpica/exdebug.c2
-rw-r--r--drivers/acpi/acpica/exdump.c2
-rw-r--r--drivers/acpi/acpica/exfield.c2
-rw-r--r--drivers/acpi/acpica/exfldio.c2
-rw-r--r--drivers/acpi/acpica/exmisc.c2
-rw-r--r--drivers/acpi/acpica/exmutex.c2
-rw-r--r--drivers/acpi/acpica/exnames.c2
-rw-r--r--drivers/acpi/acpica/exoparg1.c2
-rw-r--r--drivers/acpi/acpica/exoparg2.c2
-rw-r--r--drivers/acpi/acpica/exoparg3.c2
-rw-r--r--drivers/acpi/acpica/exoparg6.c2
-rw-r--r--drivers/acpi/acpica/exprep.c2
-rw-r--r--drivers/acpi/acpica/exregion.c2
-rw-r--r--drivers/acpi/acpica/exresnte.c2
-rw-r--r--drivers/acpi/acpica/exresolv.c2
-rw-r--r--drivers/acpi/acpica/exresop.c2
-rw-r--r--drivers/acpi/acpica/exserial.c8
-rw-r--r--drivers/acpi/acpica/exstore.c2
-rw-r--r--drivers/acpi/acpica/exstoren.c2
-rw-r--r--drivers/acpi/acpica/exstorob.c2
-rw-r--r--drivers/acpi/acpica/exsystem.c2
-rw-r--r--drivers/acpi/acpica/extrace.c53
-rw-r--r--drivers/acpi/acpica/exutils.c2
-rw-r--r--drivers/acpi/acpica/hwacpi.c2
-rw-r--r--drivers/acpi/acpica/hwesleep.c2
-rw-r--r--drivers/acpi/acpica/hwgpe.c2
-rw-r--r--drivers/acpi/acpica/hwsleep.c2
-rw-r--r--drivers/acpi/acpica/hwtimer.c2
-rw-r--r--drivers/acpi/acpica/hwvalid.c2
-rw-r--r--drivers/acpi/acpica/hwxface.c2
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c2
-rw-r--r--drivers/acpi/acpica/nsarguments.c2
-rw-r--r--drivers/acpi/acpica/nsconvert.c2
-rw-r--r--drivers/acpi/acpica/nsdump.c2
-rw-r--r--drivers/acpi/acpica/nsdumpdv.c2
-rw-r--r--drivers/acpi/acpica/nsinit.c2
-rw-r--r--drivers/acpi/acpica/nsload.c2
-rw-r--r--drivers/acpi/acpica/nsnames.c2
-rw-r--r--drivers/acpi/acpica/nsparse.c2
-rw-r--r--drivers/acpi/acpica/nspredef.c2
-rw-r--r--drivers/acpi/acpica/nsprepkg.c2
-rw-r--r--drivers/acpi/acpica/nsrepair.c2
-rw-r--r--drivers/acpi/acpica/nsrepair2.c4
-rw-r--r--drivers/acpi/acpica/nsutils.c2
-rw-r--r--drivers/acpi/acpica/nswalk.c2
-rw-r--r--drivers/acpi/acpica/nsxfname.c2
-rw-r--r--drivers/acpi/acpica/psargs.c2
-rw-r--r--drivers/acpi/acpica/psloop.c2
-rw-r--r--drivers/acpi/acpica/psobject.c54
-rw-r--r--drivers/acpi/acpica/psopcode.c2
-rw-r--r--drivers/acpi/acpica/psopinfo.c2
-rw-r--r--drivers/acpi/acpica/psparse.c2
-rw-r--r--drivers/acpi/acpica/psscope.c2
-rw-r--r--drivers/acpi/acpica/pstree.c2
-rw-r--r--drivers/acpi/acpica/psutils.c2
-rw-r--r--drivers/acpi/acpica/pswalk.c2
-rw-r--r--drivers/acpi/acpica/psxface.c2
-rw-r--r--drivers/acpi/acpica/rsaddr.c13
-rw-r--r--drivers/acpi/acpica/rscalc.c22
-rw-r--r--drivers/acpi/acpica/rslist.c12
-rw-r--r--drivers/acpi/acpica/tbdata.c2
-rw-r--r--drivers/acpi/acpica/tbfadt.c2
-rw-r--r--drivers/acpi/acpica/tbfind.c6
-rw-r--r--drivers/acpi/acpica/tbinstal.c2
-rw-r--r--drivers/acpi/acpica/tbprint.c2
-rw-r--r--drivers/acpi/acpica/tbutils.c2
-rw-r--r--drivers/acpi/acpica/tbxface.c2
-rw-r--r--drivers/acpi/acpica/tbxfload.c2
-rw-r--r--drivers/acpi/acpica/tbxfroot.c2
-rw-r--r--drivers/acpi/acpica/utaddress.c2
-rw-r--r--drivers/acpi/acpica/utalloc.c2
-rw-r--r--drivers/acpi/acpica/utascii.c2
-rw-r--r--drivers/acpi/acpica/utbuffer.c2
-rw-r--r--drivers/acpi/acpica/utcache.c4
-rw-r--r--drivers/acpi/acpica/utcksum.c2
-rw-r--r--drivers/acpi/acpica/utcopy.c2
-rw-r--r--drivers/acpi/acpica/utdebug.c2
-rw-r--r--drivers/acpi/acpica/utdecode.c2
-rw-r--r--drivers/acpi/acpica/utdelete.c2
-rw-r--r--drivers/acpi/acpica/uteval.c2
-rw-r--r--drivers/acpi/acpica/utglobal.c2
-rw-r--r--drivers/acpi/acpica/uthex.c2
-rw-r--r--drivers/acpi/acpica/utids.c2
-rw-r--r--drivers/acpi/acpica/utinit.c2
-rw-r--r--drivers/acpi/acpica/utlock.c2
-rw-r--r--drivers/acpi/acpica/utobject.c2
-rw-r--r--drivers/acpi/acpica/utosi.c2
-rw-r--r--drivers/acpi/acpica/utpredef.c2
-rw-r--r--drivers/acpi/acpica/utprint.c9
-rw-r--r--drivers/acpi/acpica/utresrc.c14
-rw-r--r--drivers/acpi/acpica/uttrack.c2
-rw-r--r--drivers/acpi/acpica/utuuid.c2
-rw-r--r--drivers/acpi/acpica/utxface.c2
-rw-r--r--drivers/acpi/acpica/utxfinit.c2
-rw-r--r--drivers/acpi/apei/Kconfig1
-rw-r--r--drivers/acpi/apei/einj-core.c63
-rw-r--r--drivers/acpi/apei/ghes.c120
-rw-r--r--drivers/acpi/arm64/dma.c5
-rw-r--r--drivers/acpi/battery.c18
-rw-r--r--drivers/acpi/bgrt.c6
-rw-r--r--drivers/acpi/bus.c6
-rw-r--r--drivers/acpi/button.c12
-rw-r--r--drivers/acpi/cppc_acpi.c331
-rw-r--r--drivers/acpi/device_pm.c4
-rw-r--r--drivers/acpi/dptf/dptf_pch_fivr.c1
-rw-r--r--drivers/acpi/dptf/dptf_power.c2
-rw-r--r--drivers/acpi/dptf/int340x_thermal.c6
-rw-r--r--drivers/acpi/ec.c55
-rw-r--r--drivers/acpi/fan.h2
-rw-r--r--drivers/acpi/fan_attr.c37
-rw-r--r--drivers/acpi/fan_core.c25
-rw-r--r--drivers/acpi/fan_hwmon.c8
-rw-r--r--drivers/acpi/hed.c7
-rw-r--r--drivers/acpi/internal.h6
-rw-r--r--drivers/acpi/irq.c16
-rw-r--r--drivers/acpi/mipi-disco-img.c3
-rw-r--r--drivers/acpi/nfit/core.c2
-rw-r--r--drivers/acpi/numa/hmat.c68
-rw-r--r--drivers/acpi/numa/srat.c133
-rw-r--r--drivers/acpi/osi.c1
-rw-r--r--drivers/acpi/osl.c22
-rw-r--r--drivers/acpi/pci_root.c2
-rw-r--r--drivers/acpi/platform_profile.c712
-rw-r--r--drivers/acpi/power.c5
-rw-r--r--drivers/acpi/pptt.c15
-rw-r--r--drivers/acpi/prmt.c26
-rw-r--r--drivers/acpi/processor_driver.c3
-rw-r--r--drivers/acpi/processor_idle.c28
-rw-r--r--drivers/acpi/processor_perflib.c12
-rw-r--r--drivers/acpi/processor_throttling.c5
-rw-r--r--drivers/acpi/property.c3
-rw-r--r--drivers/acpi/resource.c22
-rw-r--r--drivers/acpi/riscv/cppc.c2
-rw-r--r--drivers/acpi/scan.c12
-rw-r--r--drivers/acpi/sysfs.c8
-rw-r--r--drivers/acpi/tables.c20
-rw-r--r--drivers/acpi/thermal.c12
-rw-r--r--drivers/acpi/utils.c7
-rw-r--r--drivers/acpi/viot.c2
-rw-r--r--drivers/acpi/x86/utils.c3
207 files changed, 1933 insertions, 697 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index d81b55f5068c..7bc40c2735ac 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -452,7 +452,7 @@ config ACPI_SBS
the modules will be called sbs and sbshc.
config ACPI_HED
- tristate "Hardware Error Device"
+ bool "Hardware Error Device"
help
This driver supports the Hardware Error Device (PNP0C33),
which is used to report some hardware errors notified via
@@ -576,6 +576,9 @@ config ACPI_FFH
Enable this feature if you want to set up and install the FFH Address
Space handler to handle FFH OpRegion in the firmware.
+config ACPI_MRRM
+ bool
+
source "drivers/acpi/pmic/Kconfig"
config ACPI_VIOT
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 40208a0f5dfb..d1b0affb844f 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -5,6 +5,10 @@
ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
+ifdef CONFIG_TRACE_BRANCH_PROFILING
+CFLAGS_processor_idle.o += -DDISABLE_BRANCH_PROFILING
+endif
+
#
# ACPI Boot-Time Table Parsing
#
@@ -62,6 +66,7 @@ acpi-$(CONFIG_ACPI_WATCHDOG) += acpi_watchdog.o
acpi-$(CONFIG_ACPI_PRMT) += prmt.o
acpi-$(CONFIG_ACPI_PCC) += acpi_pcc.o
acpi-$(CONFIG_ACPI_FFH) += acpi_ffh.o
+acpi-$(CONFIG_ACPI_MRRM) += acpi_mrrm.o
# Address translation
acpi-$(CONFIG_ACPI_ADXL) += acpi_adxl.o
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index ca87a0939135..f6b9562779de 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -15,6 +15,7 @@
#include <acpi/ghes.h>
#include <asm/cpu.h>
#include <asm/mce.h>
+#include <asm/msr.h>
#include "apei/apei-internal.h"
#include <ras/ras_event.h>
@@ -234,7 +235,7 @@ static int __init extlog_init(void)
u64 cap;
int rc;
- if (rdmsrl_safe(MSR_IA32_MCG_CAP, &cap) ||
+ if (rdmsrq_safe(MSR_IA32_MCG_CAP, &cap) ||
!(cap & MCG_ELOG_P) ||
!extlog_get_l1addr())
return -ENODEV;
@@ -251,6 +252,10 @@ static int __init extlog_init(void)
}
extlog_l1_hdr = acpi_os_map_iomem(l1_dirbase, l1_hdr_size);
+ if (!extlog_l1_hdr) {
+ rc = -ENOMEM;
+ goto err_release_l1_hdr;
+ }
l1_head = (struct extlog_l1_head *)extlog_l1_hdr;
l1_size = l1_head->total_len;
l1_percpu_entry = l1_head->entries;
@@ -268,6 +273,10 @@ static int __init extlog_init(void)
goto err;
}
extlog_l1_addr = acpi_os_map_iomem(l1_dirbase, l1_size);
+ if (!extlog_l1_addr) {
+ rc = -ENOMEM;
+ goto err_release_l1_dir;
+ }
l1_entry_base = (u64 *)((u8 *)extlog_l1_addr + l1_hdr_size);
/* remap elog table */
@@ -279,6 +288,10 @@ static int __init extlog_init(void)
goto err_release_l1_dir;
}
elog_addr = acpi_os_map_iomem(elog_base, elog_size);
+ if (!elog_addr) {
+ rc = -ENOMEM;
+ goto err_release_elog;
+ }
rc = -ENOMEM;
/* allocate buffer to save elog record */
@@ -300,6 +313,8 @@ err_release_l1_dir:
if (extlog_l1_addr)
acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
release_mem_region(l1_dirbase, l1_size);
+err_release_l1_hdr:
+ release_mem_region(l1_dirbase, l1_hdr_size);
err:
pr_warn(FW_BUG "Extended error log disabled because of problems parsing f/w tables\n");
return rc;
diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c
index 794962c5c88e..b8d98b1b48ae 100644
--- a/drivers/acpi/acpi_lpit.c
+++ b/drivers/acpi/acpi_lpit.c
@@ -39,7 +39,7 @@ static int lpit_read_residency_counter_us(u64 *counter, bool io_mem)
return 0;
}
- err = rdmsrl_safe(residency_info_ffh.gaddr.address, counter);
+ err = rdmsrq_safe(residency_info_ffh.gaddr.address, counter);
if (!err) {
u64 mask = GENMASK_ULL(residency_info_ffh.gaddr.bit_offset +
residency_info_ffh.gaddr. bit_width - 1,
diff --git a/drivers/acpi/acpi_mrrm.c b/drivers/acpi/acpi_mrrm.c
new file mode 100644
index 000000000000..47ea3ccc2142
--- /dev/null
+++ b/drivers/acpi/acpi_mrrm.c
@@ -0,0 +1,185 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2025, Intel Corporation.
+ *
+ * Memory Range and Region Mapping (MRRM) structure
+ *
+ * Parse and report the platform's MRRM table in /sys.
+ */
+
+#define pr_fmt(fmt) "acpi/mrrm: " fmt
+
+#include <linux/acpi.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+
+/* Default assume one memory region covering all system memory, per the spec */
+static int max_mem_region = 1;
+
+/* Access for use by resctrl file system */
+int acpi_mrrm_max_mem_region(void)
+{
+ return max_mem_region;
+}
+
+struct mrrm_mem_range_entry {
+ u64 base;
+ u64 length;
+ int node;
+ u8 local_region_id;
+ u8 remote_region_id;
+};
+
+static struct mrrm_mem_range_entry *mrrm_mem_range_entry;
+static u32 mrrm_mem_entry_num;
+
+static int get_node_num(struct mrrm_mem_range_entry *e)
+{
+ unsigned int nid;
+
+ for_each_online_node(nid) {
+ for (int z = 0; z < MAX_NR_ZONES; z++) {
+ struct zone *zone = NODE_DATA(nid)->node_zones + z;
+
+ if (!populated_zone(zone))
+ continue;
+ if (zone_intersects(zone, PHYS_PFN(e->base), PHYS_PFN(e->length)))
+ return zone_to_nid(zone);
+ }
+ }
+
+ return -ENOENT;
+}
+
+static __init int acpi_parse_mrrm(struct acpi_table_header *table)
+{
+ struct acpi_mrrm_mem_range_entry *mre_entry;
+ struct acpi_table_mrrm *mrrm;
+ void *mre, *mrrm_end;
+ int mre_count = 0;
+
+ mrrm = (struct acpi_table_mrrm *)table;
+ if (!mrrm)
+ return -ENODEV;
+
+ if (mrrm->flags & ACPI_MRRM_FLAGS_REGION_ASSIGNMENT_OS)
+ return -EOPNOTSUPP;
+
+ mrrm_end = (void *)mrrm + mrrm->header.length - 1;
+ mre = (void *)mrrm + sizeof(struct acpi_table_mrrm);
+ while (mre < mrrm_end) {
+ mre_entry = mre;
+ mre_count++;
+ mre += mre_entry->header.length;
+ }
+ if (!mre_count) {
+ pr_info(FW_BUG "No ranges listed in MRRM table\n");
+ return -EINVAL;
+ }
+
+ mrrm_mem_range_entry = kmalloc_array(mre_count, sizeof(*mrrm_mem_range_entry),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!mrrm_mem_range_entry)
+ return -ENOMEM;
+
+ mre = (void *)mrrm + sizeof(struct acpi_table_mrrm);
+ while (mre < mrrm_end) {
+ struct mrrm_mem_range_entry *e;
+
+ mre_entry = mre;
+ e = mrrm_mem_range_entry + mrrm_mem_entry_num;
+
+ e->base = mre_entry->addr_base;
+ e->length = mre_entry->addr_len;
+ e->node = get_node_num(e);
+
+ if (mre_entry->region_id_flags & ACPI_MRRM_VALID_REGION_ID_FLAGS_LOCAL)
+ e->local_region_id = mre_entry->local_region_id;
+ else
+ e->local_region_id = -1;
+ if (mre_entry->region_id_flags & ACPI_MRRM_VALID_REGION_ID_FLAGS_REMOTE)
+ e->remote_region_id = mre_entry->remote_region_id;
+ else
+ e->remote_region_id = -1;
+
+ mrrm_mem_entry_num++;
+ mre += mre_entry->header.length;
+ }
+
+ max_mem_region = mrrm->max_mem_region;
+
+ return 0;
+}
+
+#define RANGE_ATTR(name, fmt) \
+static ssize_t name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buf) \
+{ \
+ struct mrrm_mem_range_entry *mre; \
+ const char *kname = kobject_name(kobj); \
+ int n, ret; \
+ \
+ ret = kstrtoint(kname + 5, 10, &n); \
+ if (ret) \
+ return ret; \
+ \
+ mre = mrrm_mem_range_entry + n; \
+ \
+ return sysfs_emit(buf, fmt, mre->name); \
+} \
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+RANGE_ATTR(base, "0x%llx\n");
+RANGE_ATTR(length, "0x%llx\n");
+RANGE_ATTR(node, "%d\n");
+RANGE_ATTR(local_region_id, "%d\n");
+RANGE_ATTR(remote_region_id, "%d\n");
+
+static struct attribute *memory_range_attrs[] = {
+ &base_attr.attr,
+ &length_attr.attr,
+ &node_attr.attr,
+ &local_region_id_attr.attr,
+ &remote_region_id_attr.attr,
+ NULL
+};
+
+ATTRIBUTE_GROUPS(memory_range);
+
+static __init int add_boot_memory_ranges(void)
+{
+ struct kobject *pkobj, *kobj;
+ int ret = -EINVAL;
+ char *name;
+
+ pkobj = kobject_create_and_add("memory_ranges", acpi_kobj);
+
+ for (int i = 0; i < mrrm_mem_entry_num; i++) {
+ name = kasprintf(GFP_KERNEL, "range%d", i);
+ if (!name) {
+ ret = -ENOMEM;
+ break;
+ }
+
+ kobj = kobject_create_and_add(name, pkobj);
+
+ ret = sysfs_create_groups(kobj, memory_range_groups);
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
+static __init int mrrm_init(void)
+{
+ int ret;
+
+ ret = acpi_table_parse(ACPI_SIG_MRRM, acpi_parse_mrrm);
+ if (ret < 0)
+ return ret;
+
+ return add_boot_memory_ranges();
+}
+device_initcall(mrrm_init);
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 4ec20fd56985..c9a0bcaba2e4 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -19,6 +19,7 @@
#include <linux/acpi.h>
#include <linux/perf_event.h>
#include <linux/platform_device.h>
+#include <asm/cpuid/api.h>
#include <asm/mwait.h>
#include <xen/xen.h>
@@ -32,7 +33,7 @@
static DEFINE_MUTEX(isolated_cpus_lock);
static DEFINE_MUTEX(round_robin_lock);
-static unsigned long power_saving_mwait_eax;
+static unsigned int power_saving_mwait_eax;
static unsigned char tsc_detected_unstable;
static unsigned char tsc_marked_unstable;
@@ -46,10 +47,8 @@ static void power_saving_mwait_init(void)
if (!boot_cpu_has(X86_FEATURE_MWAIT))
return;
- if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF)
- return;
- cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);
+ cpuid(CPUID_LEAF_MWAIT, &eax, &ebx, &ecx, &edx);
if (!(ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) ||
!(ecx & CPUID5_ECX_INTERRUPT_BREAK))
diff --git a/drivers/acpi/acpi_pcc.c b/drivers/acpi/acpi_pcc.c
index 07a034a53aca..97064e943768 100644
--- a/drivers/acpi/acpi_pcc.c
+++ b/drivers/acpi/acpi_pcc.c
@@ -31,7 +31,6 @@
struct pcc_data {
struct pcc_mbox_chan *pcc_chan;
- void __iomem *pcc_comm_addr;
struct completion done;
struct mbox_client cl;
struct acpi_pcc_info ctx;
@@ -81,14 +80,6 @@ acpi_pcc_address_space_setup(acpi_handle region_handle, u32 function,
ret = AE_SUPPORT;
goto err_free_channel;
}
- data->pcc_comm_addr = acpi_os_ioremap(pcc_chan->shmem_base_addr,
- pcc_chan->shmem_size);
- if (!data->pcc_comm_addr) {
- pr_err("Failed to ioremap PCC comm region mem for %d\n",
- ctx->subspace_id);
- ret = AE_NO_MEMORY;
- goto err_free_channel;
- }
*region_context = data;
return AE_OK;
@@ -113,7 +104,7 @@ acpi_pcc_address_space_handler(u32 function, acpi_physical_address addr,
reinit_completion(&data->done);
/* Write to Shared Memory */
- memcpy_toio(data->pcc_comm_addr, (void *)value, data->ctx.length);
+ memcpy_toio(data->pcc_chan->shmem, (void *)value, data->ctx.length);
ret = mbox_send_message(data->pcc_chan->mchan, NULL);
if (ret < 0)
@@ -134,7 +125,7 @@ acpi_pcc_address_space_handler(u32 function, acpi_physical_address addr,
mbox_chan_txdone(data->pcc_chan->mchan, ret);
- memcpy_fromio(value, data->pcc_comm_addr, data->ctx.length);
+ memcpy_fromio(value, data->pcc_chan->shmem, data->ctx.length);
return AE_OK;
}
diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
index 01abf26764b0..4ad88187dc7a 100644
--- a/drivers/acpi/acpi_pnp.c
+++ b/drivers/acpi/acpi_pnp.c
@@ -120,8 +120,6 @@ static const struct acpi_device_id acpi_pnp_device_ids[] = {
{"IBM0071"},
/* smsc-ircc2 */
{"SMCf010"},
- /* sb1000 */
- {"GIC1000"},
/* parport_pc */
{"PNP0400"}, /* Standard LPT Printer Port */
{"PNP0401"}, /* ECP Printer Port */
@@ -355,8 +353,10 @@ static bool acpi_pnp_match(const char *idstr, const struct acpi_device_id **matc
* device represented by it.
*/
static const struct acpi_device_id acpi_nonpnp_device_ids[] = {
+ {"INT3F0D"},
{"INTC1080"},
{"INTC1081"},
+ {"INTC1099"},
{""},
};
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 7cf6101cb4c7..2a99f5eb6962 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -275,7 +275,7 @@ static inline int acpi_processor_hotadd_init(struct acpi_processor *pr,
static int acpi_processor_get_info(struct acpi_device *device)
{
- union acpi_object object = { 0 };
+ union acpi_object object = { .processor = { 0 } };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
struct acpi_processor *pr = acpi_driver_data(device);
int device_declaration = 0;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index a972831dbd66..103f29661576 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -27,6 +27,7 @@
#include <linux/acpi.h>
#include <acpi/video.h>
#include <linux/uaccess.h>
+#include <linux/string_choices.h>
#define ACPI_VIDEO_BUS_NAME "Video Bus"
#define ACPI_VIDEO_DEVICE_NAME "Video Device"
@@ -648,6 +649,13 @@ acpi_video_device_EDID(struct acpi_video_device *device, void **edid, int length
obj = buffer.pointer;
+ /*
+ * Some buggy implementations incorrectly return the EDID buffer in an ACPI package.
+ * In this case, extract the buffer from the package.
+ */
+ if (obj && obj->type == ACPI_TYPE_PACKAGE && obj->package.count == 1)
+ obj = &obj->package.elements[0];
+
if (obj && obj->type == ACPI_TYPE_BUFFER) {
*edid = kmemdup(obj->buffer.pointer, obj->buffer.length, GFP_KERNEL);
ret = *edid ? obj->buffer.length : -ENOMEM;
@@ -657,7 +665,7 @@ acpi_video_device_EDID(struct acpi_video_device *device, void **edid, int length
ret = -EFAULT;
}
- kfree(obj);
+ kfree(buffer.pointer);
return ret;
}
@@ -2039,9 +2047,9 @@ static int acpi_video_bus_add(struct acpi_device *device)
pr_info("%s [%s] (multi-head: %s rom: %s post: %s)\n",
ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
- video->flags.multihead ? "yes" : "no",
- video->flags.rom ? "yes" : "no",
- video->flags.post ? "yes" : "no");
+ str_yes_no(video->flags.multihead),
+ str_yes_no(video->flags.rom),
+ str_yes_no(video->flags.post));
mutex_lock(&video_list_lock);
list_add_tail(&video->entry, &video_bus_head);
mutex_unlock(&video_list_lock);
diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h
index 9d4cbd956627..d7d4649ce66f 100644
--- a/drivers/acpi/acpica/acapps.h
+++ b/drivers/acpi/acpica/acapps.h
@@ -3,7 +3,7 @@
*
* Module Name: acapps - common include for ACPI applications/tools
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -17,7 +17,7 @@
/* Common info for tool signons */
#define ACPICA_NAME "Intel ACPI Component Architecture"
-#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2022 Intel Corporation"
+#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2025 Intel Corporation"
#if ACPI_MACHINE_WIDTH == 64
#define ACPI_WIDTH " (64-bit version)"
diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h
index 4536dc9d3979..662231f4f881 100644
--- a/drivers/acpi/acpica/accommon.h
+++ b/drivers/acpi/acpica/accommon.h
@@ -3,7 +3,7 @@
*
* Name: accommon.h - Common include files for generation of ACPICA source
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acconvert.h b/drivers/acpi/acpica/acconvert.h
index c6ba6a36cfb5..24998f2d7539 100644
--- a/drivers/acpi/acpica/acconvert.h
+++ b/drivers/acpi/acpica/acconvert.h
@@ -3,7 +3,7 @@
*
* Module Name: acapps - common include for ACPI applications/tools
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 911875c5a5f1..fe6d38b43c9a 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -3,7 +3,7 @@
*
* Name: acdebug.h - ACPI/AML debugger
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -37,7 +37,7 @@ struct acpi_db_argument_info {
struct acpi_db_execute_walk {
u32 count;
u32 max_count;
- char name_seg[ACPI_NAMESEG_SIZE + 1];
+ char name_seg[ACPI_NAMESEG_SIZE + 1] ACPI_NONSTRING;
};
#define PARAM_LIST(pl) pl
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index 73eecbf62f06..5d48a344b35f 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -3,7 +3,7 @@
*
* Name: acdispat.h - dispatcher (parser to interpreter interface)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index 1c5218b79fc2..b40fb3a5ac8a 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -3,7 +3,7 @@
*
* Name: acevents.h - Event subcomponent prototypes and defines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 309ce8efb4f6..c8a750d2674c 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -3,7 +3,7 @@
*
* Name: acglobal.h - Declarations for global variables
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index b8543a34caea..6aec56c65fa0 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -3,7 +3,7 @@
*
* Name: achware.h -- hardware specific interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index 955114c926bd..1ee6ac9b2baf 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -3,7 +3,7 @@
*
* Name: acinterp.h - Interpreter subcomponent prototypes and defines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -120,6 +120,9 @@ void
acpi_ex_trace_point(acpi_trace_event_type type,
u8 begin, u8 *aml, char *pathname);
+void
+acpi_ex_trace_args(union acpi_operand_object **params, u32 count);
+
/*
* exfield - ACPI AML (p-code) execution - field manipulation
*/
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 6f4fe47c955b..0c41f0097e8d 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -3,7 +3,7 @@
*
* Name: aclocal.h - Internal data types used across the ACPI subsystem
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -293,7 +293,7 @@ acpi_status (*acpi_internal_method) (struct acpi_walk_state * walk_state);
* expected_return_btypes - Allowed type(s) for the return value
*/
struct acpi_name_info {
- char name[ACPI_NAMESEG_SIZE];
+ char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
u16 argument_list;
u8 expected_btypes;
};
@@ -370,7 +370,7 @@ typedef acpi_status (*acpi_object_converter) (struct acpi_namespace_node *
converted_object);
struct acpi_simple_repair_info {
- char name[ACPI_NAMESEG_SIZE];
+ char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
u32 unexpected_btypes;
u32 package_index;
acpi_object_converter object_converter;
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index de83dd22292b..4e9402c02410 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -3,7 +3,7 @@
*
* Name: acmacros.h - C macros for the entire subsystem.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 9448bc026b9b..13f050fecb49 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -3,7 +3,7 @@
*
* Name: acnamesp.h - Namespace subcomponent prototypes and defines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 8fc02946d3cd..6ffcc7a0a0c2 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -3,7 +3,7 @@
*
* Name: acobject.h - Definition of union acpi_operand_object (Internal object only)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h
index da96d80e6b3a..a2a9e51d7ac6 100644
--- a/drivers/acpi/acpica/acopcode.h
+++ b/drivers/acpi/acpica/acopcode.h
@@ -3,7 +3,7 @@
*
* Name: acopcode.h - AML opcode information for the AML parser and interpreter
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
index 6dad786a382c..65a15dee092b 100644
--- a/drivers/acpi/acpica/acparser.h
+++ b/drivers/acpi/acpica/acparser.h
@@ -3,7 +3,7 @@
*
* Module Name: acparser.h - AML Parser subcomponent prototypes and defines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index ef068f4c864a..76c5ed02e916 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -3,7 +3,7 @@
*
* Name: acpredef - Information table for ACPI predefined methods and objects
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index d772ff9ca07d..e8a92be5adae 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -3,7 +3,7 @@
*
* Name: acresrc.h - Resource Manager function prototypes
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index f8fee94ba708..e690f604cfa0 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -3,7 +3,7 @@
*
* Name: acstruct.h - Internal structs
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index b6ae979b01b6..ebef72bf58d0 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -3,7 +3,7 @@
*
* Name: actables.h - ACPI table management
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index edfdbbef81c1..3990d509bbab 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -3,7 +3,7 @@
*
* Name: acutils.h -- prototypes for the common (subsystem-wide) procedures
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h
index effe52b40dce..c5b544a006c5 100644
--- a/drivers/acpi/acpica/amlcode.h
+++ b/drivers/acpi/acpica/amlcode.h
@@ -5,7 +5,7 @@
* Declarations and definitions contained herein are derived
* directly from the ACPI specification.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index 4e88f9fc2a28..54d6e51e0b9a 100644
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -3,7 +3,7 @@
*
* Module Name: amlresrc.h - AML resource descriptors
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -504,10 +504,6 @@ struct aml_resource_pin_group_config {
#define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION 1 /* ACPI 6.2 */
-/* restore default alignment */
-
-#pragma pack()
-
/* Union of all resource descriptors, so we can allocate the worst case */
union aml_resource {
@@ -562,6 +558,10 @@ union aml_resource {
u8 byte_item;
};
+/* restore default alignment */
+
+#pragma pack()
+
/* Interfaces used by both the disassembler and compiler */
void
diff --git a/drivers/acpi/acpica/dbhistry.c b/drivers/acpi/acpica/dbhistry.c
index e874c1dddefa..554ae35108bd 100644
--- a/drivers/acpi/acpica/dbhistry.c
+++ b/drivers/acpi/acpica/dbhistry.c
@@ -3,7 +3,7 @@
*
* Module Name: dbhistry - debugger HISTORY command
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c
index 4354c175e12e..e2f00c54cb36 100644
--- a/drivers/acpi/acpica/dsargs.c
+++ b/drivers/acpi/acpica/dsargs.c
@@ -4,7 +4,7 @@
* Module Name: dsargs - Support for execution of dynamic arguments for static
* objects (regions, fields, buffer fields, etc.)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
index 80c69af06948..c1f79d7a2026 100644
--- a/drivers/acpi/acpica/dscontrol.c
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -4,7 +4,7 @@
* Module Name: dscontrol - Support for execution control opcodes -
* if/else/while/return
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c
index c5c8380a3114..274b74255551 100644
--- a/drivers/acpi/acpica/dsdebug.c
+++ b/drivers/acpi/acpica/dsdebug.c
@@ -3,7 +3,7 @@
*
* Module Name: dsdebug - Parser/Interpreter interface - debugging
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index 532401ecdab0..df132c9089c7 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -3,7 +3,7 @@
*
* Module Name: dsfield - Dispatcher field routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 6e0e362e461f..57cd9e2d1109 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -3,7 +3,7 @@
*
* Module Name: dsinit - Object initialization namespace walk
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index e809c2aed78a..fef6fb29ece4 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -3,7 +3,7 @@
*
* Module Name: dsmethod - Parser/Interpreter interface - control method parsing
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -483,6 +483,13 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
return_ACPI_STATUS(AE_NULL_OBJECT);
}
+ if (this_walk_state->num_operands < obj_desc->method.param_count) {
+ ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
+ acpi_ut_get_node_name(method_node)));
+
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+ }
+
/* Init for new method, possibly wait on method mutex */
status =
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index eca50517ad82..5393de4dbc4c 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -188,6 +188,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
index++;
}
+ acpi_ex_trace_args(params, index);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index));
return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index 555f148d666b..1bf7eec49899 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -3,7 +3,7 @@
*
* Module Name: dsobject - Dispatcher object management routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index dd3059000885..5699b0872848 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -3,7 +3,7 @@
*
* Module Name: dsopcode - Dispatcher support for regions and fields
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dspkginit.c b/drivers/acpi/acpica/dspkginit.c
index ecf793fe9919..1ed2386fab82 100644
--- a/drivers/acpi/acpica/dspkginit.c
+++ b/drivers/acpi/acpica/dspkginit.c
@@ -3,7 +3,7 @@
*
* Module Name: dspkginit - Completion of deferred package initialization
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index fb9ed5e1da89..baf6a1f27605 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -668,6 +668,8 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS];
u32 arg_count = 0;
u32 index = walk_state->num_operands;
+ u32 prev_num_operands = walk_state->num_operands;
+ u32 new_num_operands;
u32 i;
ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
@@ -696,6 +698,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
/* Create the interpreter arguments, in reverse order */
+ new_num_operands = index;
index--;
for (i = 0; i < arg_count; i++) {
arg = arguments[index];
@@ -720,7 +723,11 @@ cleanup:
* pop everything off of the operand stack and delete those
* objects
*/
- acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
+ walk_state->num_operands = (u8)(i);
+ acpi_ds_obj_stack_pop_and_delete(new_num_operands, walk_state);
+
+ /* Restore operand count */
+ walk_state->num_operands = (u8)(prev_num_operands);
ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
index a43336f05206..5c5c6d8a4e48 100644
--- a/drivers/acpi/acpica/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -4,7 +4,7 @@
* Module Name: dswexec - Dispatcher method execution callbacks;
* dispatch to interpreter.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index f7b8496c8bdd..666419b6a5c6 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -3,7 +3,7 @@
*
* Module Name: dswload - Dispatcher first pass namespace load callbacks
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
index 541235f498c2..bfc54c914757 100644
--- a/drivers/acpi/acpica/dswload2.c
+++ b/drivers/acpi/acpica/dswload2.c
@@ -3,7 +3,7 @@
*
* Module Name: dswload2 - Dispatcher second pass namespace load callbacks
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c
index 1fdd07ae862c..375a8fa43d9d 100644
--- a/drivers/acpi/acpica/dswscope.c
+++ b/drivers/acpi/acpica/dswscope.c
@@ -3,7 +3,7 @@
*
* Module Name: dswscope - Scope stack manipulation
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index 75338a13c802..02aaddb89df9 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -3,7 +3,7 @@
*
* Module Name: dswstate - Dispatcher parse tree walk management routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index 9e78c5b9ad52..6cdd39c987b8 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -3,7 +3,7 @@
*
* Module Name: evevent - Fixed Event handling and dispatch
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c
index 989dc01af03f..fa3e0d00d1ca 100644
--- a/drivers/acpi/acpica/evglock.c
+++ b/drivers/acpi/acpica/evglock.c
@@ -3,7 +3,7 @@
*
* Module Name: evglock - Global Lock support
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 934b201d3820..ba65b2ea49b2 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -3,7 +3,7 @@
*
* Module Name: evgpe - General Purpose Event handling and dispatch
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 58e1890ab25b..fadd93caf1d5 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -3,7 +3,7 @@
*
* Module Name: evgpeblk - GPE block creation and initialization.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index 38f408cf13ce..eb769739420e 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -3,7 +3,7 @@
*
* Module Name: evgpeinit - System GPE initialization and update
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c
index ee3b1ea656d4..d15b1d75c8ec 100644
--- a/drivers/acpi/acpica/evgpeutil.c
+++ b/drivers/acpi/acpica/evgpeutil.c
@@ -3,7 +3,7 @@
*
* Module Name: evgpeutil - GPE utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
index 1c8cb6d924df..5a35dae945e2 100644
--- a/drivers/acpi/acpica/evhandler.c
+++ b/drivers/acpi/acpica/evhandler.c
@@ -3,7 +3,7 @@
*
* Module Name: evhandler - Support for Address Space handlers
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index e68e876d3b84..04a23a6c3bb1 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -3,7 +3,7 @@
*
* Module Name: evmisc - Miscellaneous event manager support functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index cf53b9535f18..fa3475da7ea9 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -3,7 +3,7 @@
*
* Module Name: evregion - Operation Region support
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index 46d1b3f5582d..b03952798af5 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -3,7 +3,7 @@
*
* Module Name: evrgnini- ACPI address_space (op_region) init
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
index 24fa6433d562..86a8d41c079c 100644
--- a/drivers/acpi/acpica/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -3,7 +3,7 @@
*
* Module Name: evxface - External interfaces for ACPI events
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 48bf845191d2..4b052908d2e7 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -3,7 +3,7 @@
*
* Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 4eeeb3b7ab7e..60dacec1b121 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -3,7 +3,7 @@
*
* Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index bff2d099f469..bccc672c934c 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -4,7 +4,7 @@
* Module Name: evxfregn - External Interfaces, ACPI Operation Regions and
* Address Spaces.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c
index 2fb78b35565b..c248c9b162fa 100644
--- a/drivers/acpi/acpica/exconcat.c
+++ b/drivers/acpi/acpica/exconcat.c
@@ -3,7 +3,7 @@
*
* Module Name: exconcat - Concatenate-type AML operators
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index 473115309860..4d7dd0fc6b07 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -3,7 +3,7 @@
*
* Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index bb1be42daee1..fded9bfc2436 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -3,7 +3,7 @@
*
* Module Name: exconvrt - Object conversion routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -226,8 +226,8 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
/* Copy the string to the buffer */
new_buf = return_desc->buffer.pointer;
- strncpy((char *)new_buf, (char *)obj_desc->string.pointer,
- obj_desc->string.length);
+ memcpy((char *)new_buf, (char *)obj_desc->string.pointer,
+ obj_desc->string.length);
break;
default:
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index 1bea9d97652c..052c69567997 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -3,7 +3,7 @@
*
* Module Name: excreate - Named object creation
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index 3f86bfada510..81a07a52b73c 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -3,7 +3,7 @@
*
* Module Name: exdebug - Support for stores to the AML Debug Object
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index 2e2da8790224..d8aeebaab70a 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -3,7 +3,7 @@
*
* Module Name: exdump - Interpreter debug output routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 61ff36189ace..ced3ff9d0a86 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -3,7 +3,7 @@
*
* Module Name: exfield - AML execution - field_unit read/write
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index cf6c812a8b6d..0771934c0455 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -3,7 +3,7 @@
*
* Module Name: exfldio - Aml Field I/O
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index c6f2a9166ac0..07cbac58ed21 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -3,7 +3,7 @@
*
* Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index 65c487facdda..1fa013197fcf 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -3,7 +3,7 @@
*
* Module Name: exmutex - ASL Mutex Acquire/Release functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c
index 9a448165bfeb..76ab73c37e90 100644
--- a/drivers/acpi/acpica/exnames.c
+++ b/drivers/acpi/acpica/exnames.c
@@ -3,7 +3,7 @@
*
* Module Name: exnames - interpreter/scanner name load/execute
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
index 20fb34b68bee..6ac7e0ca5c9d 100644
--- a/drivers/acpi/acpica/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -3,7 +3,7 @@
*
* Module Name: exoparg1 - AML execution - opcodes with 1 argument
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
index 743c258bf2e8..a94fa4d70e99 100644
--- a/drivers/acpi/acpica/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -3,7 +3,7 @@
*
* Module Name: exoparg2 - AML execution - opcodes with 2 arguments
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index d3091f619909..bf08110ed6d2 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -3,7 +3,7 @@
*
* Module Name: exoparg3 - AML execution - opcodes with 3 arguments
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index 1af35e143ba9..cb078e39abf7 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -3,7 +3,7 @@
*
* Module Name: exoparg6 - AML execution - opcodes with 6 arguments
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 82b1fa2d201f..1b1a006e82de 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -3,7 +3,7 @@
*
* Module Name: exprep - ACPI AML field prep utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index c49b9f8de723..a390a1c2b0ab 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -3,7 +3,7 @@
*
* Module Name: exregion - ACPI default op_region (address space) handlers
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
index 873de01b8ad2..dd83631090fc 100644
--- a/drivers/acpi/acpica/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -3,7 +3,7 @@
*
* Module Name: exresnte - AML Interpreter object resolution
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index 24a78b5e266c..4589de3f3012 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -3,7 +3,7 @@
*
* Module Name: exresolv - AML Interpreter object resolution
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
index 3a437e6ace5c..782ee353a709 100644
--- a/drivers/acpi/acpica/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -3,7 +3,7 @@
*
* Module Name: exresop - AML Interpreter operand/object resolution
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exserial.c b/drivers/acpi/acpica/exserial.c
index 5241f4c01c76..6d2581ec22ad 100644
--- a/drivers/acpi/acpica/exserial.c
+++ b/drivers/acpi/acpica/exserial.c
@@ -3,7 +3,7 @@
*
* Module Name: exserial - field_unit support for serial address spaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -201,6 +201,12 @@ acpi_ex_read_serial_bus(union acpi_operand_object *obj_desc,
function = ACPI_READ;
break;
+ case ACPI_ADR_SPACE_FIXED_HARDWARE:
+
+ buffer_length = ACPI_FFH_INPUT_BUFFER_SIZE;
+ function = ACPI_READ;
+ break;
+
default:
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 575c7a39f1aa..cbc42207496d 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -3,7 +3,7 @@
*
* Module Name: exstore - AML Interpreter object store support
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c
index b01ae015e1b5..0470b2639831 100644
--- a/drivers/acpi/acpica/exstoren.c
+++ b/drivers/acpi/acpica/exstoren.c
@@ -4,7 +4,7 @@
* Module Name: exstoren - AML Interpreter object store support,
* Store to Node (namespace object)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index 37c3131a82fa..5b168fbc03e8 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -3,7 +3,7 @@
*
* Module Name: exstorob - AML object store support, store to object
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index 2c384bd52b9c..7f843c9d8a06 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -3,7 +3,7 @@
*
* Module Name: exsystem - Interface to OS services
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c
index f1730221ff13..d34497f3576a 100644
--- a/drivers/acpi/acpica/extrace.c
+++ b/drivers/acpi/acpica/extrace.c
@@ -3,7 +3,7 @@
*
* Module Name: extrace - Support for interpreter execution tracing
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -149,6 +149,57 @@ acpi_ex_trace_point(acpi_trace_event_type type,
/*******************************************************************************
*
+ * FUNCTION: acpi_ex_trace_args
+ *
+ * PARAMETERS: params - AML method arguments
+ * count - numer of method arguments
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Trace any arguments
+ *
+ ******************************************************************************/
+
+void
+acpi_ex_trace_args(union acpi_operand_object **params, u32 count)
+{
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ex_trace_args);
+
+ for (i = 0; i < count; i++) {
+ union acpi_operand_object *obj_desc = params[i];
+
+ if (!i) {
+ ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, " "));
+ }
+
+ switch (obj_desc->common.type) {
+ case ACPI_TYPE_INTEGER:
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_TRACE_POINT, "%llx", obj_desc->integer.value));
+ break;
+ case ACPI_TYPE_STRING:
+ if (!obj_desc->string.length) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_TRACE_POINT, "NULL"));
+ continue;
+ }
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_TRACE_POINT, _COMPONENT))
+ acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX);
+ break;
+ default:
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_TRACE_POINT, "Unknown"));
+ break;
+ }
+ if (i+1 == count) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_TRACE_POINT, "\n"));
+ } else {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_TRACE_POINT, ", "));
+ }
+ }
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ex_start_trace_method
*
* PARAMETERS: method_node - Node of the method
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index f4d4a033f166..cc10c0732218 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -3,7 +3,7 @@
*
* Module Name: exutils - interpreter/scanner utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 790f342dcd25..a1e1fa787566 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -3,7 +3,7 @@
*
* Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
index a9ba9190408b..631fd8e2b774 100644
--- a/drivers/acpi/acpica/hwesleep.c
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -4,7 +4,7 @@
* Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the
* extended FADT-V5 sleep registers.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index e0c847ab8324..386f4759c317 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -3,7 +3,7 @@
*
* Module Name: hwgpe - Low level GPE enable/disable/clear functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index e0921f08b71a..87d78bef6323 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -4,7 +4,7 @@
* Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the
* original/legacy sleep/PM registers.
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c
index 192c04b5a599..a5e0bccae6a4 100644
--- a/drivers/acpi/acpica/hwtimer.c
+++ b/drivers/acpi/acpica/hwtimer.c
@@ -3,7 +3,7 @@
*
* Name: hwtimer.c - ACPI Power Management Timer Interface
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index b8de458f0368..496fd9e49f0b 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -3,7 +3,7 @@
*
* Module Name: hwvalid - I/O request validation
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index c31f803995c6..847cd1b2493d 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -3,7 +3,7 @@
*
* Module Name: hwxface - Public ACPICA hardware interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 8dbf83aeb455..9aabe30416da 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -3,7 +3,7 @@
*
* Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c
index 3efb46f0dc54..366d54a1d157 100644
--- a/drivers/acpi/acpica/nsarguments.c
+++ b/drivers/acpi/acpica/nsarguments.c
@@ -3,7 +3,7 @@
*
* Module Name: nsarguments - Validation of args for ACPI predefined methods
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c
index 7e5a683ae957..f05a92b88642 100644
--- a/drivers/acpi/acpica/nsconvert.c
+++ b/drivers/acpi/acpica/nsconvert.c
@@ -4,7 +4,7 @@
* Module Name: nsconvert - Object conversions for objects returned by
* predefined methods
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 90a26cb0c472..6dc20486ad51 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -3,7 +3,7 @@
*
* Module Name: nsdump - table dumping routines for debug
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c
index fa116ebe49a3..d5b16aaec233 100644
--- a/drivers/acpi/acpica/nsdumpdv.c
+++ b/drivers/acpi/acpica/nsdumpdv.c
@@ -3,7 +3,7 @@
*
* Module Name: nsdump - table dumping routines for debug
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 86d126fdb27d..03373e7f7978 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -3,7 +3,7 @@
*
* Module Name: nsinit - namespace initialization
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index fcb9de0f77a2..6ec4c646fff7 100644
--- a/drivers/acpi/acpica/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -3,7 +3,7 @@
*
* Module Name: nsload - namespace loading/expanding/contracting procedures
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index d91153f65700..22aeeeb56cff 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -194,7 +194,7 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node,
char *full_path, u32 path_size, u8 no_trailing)
{
u32 length = 0, i;
- char name[ACPI_NAMESEG_SIZE];
+ char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
u8 do_no_trailing;
char c, *left, *right;
struct acpi_namespace_node *next_node;
diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c
index 31e551cf4ea6..959e6379bc4c 100644
--- a/drivers/acpi/acpica/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -3,7 +3,7 @@
*
* Module Name: nsparse - namespace interface to AML parser
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index cf57bd69616d..81995ee48c49 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -3,7 +3,7 @@
*
* Module Name: nspredef - Validation of ACPI predefined methods and objects
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c
index dd37fc108fce..ca137ce5674f 100644
--- a/drivers/acpi/acpica/nsprepkg.c
+++ b/drivers/acpi/acpica/nsprepkg.c
@@ -3,7 +3,7 @@
*
* Module Name: nsprepkg - Validation of package objects for predefined names
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index b8657004190d..accfdcfb7e62 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -3,7 +3,7 @@
*
* Module Name: nsrepair - Repair for objects returned by predefined methods
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 1bb7b71f07f1..8dbb870f40d2 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -4,7 +4,7 @@
* Module Name: nsrepair2 - Repair for objects returned by specific
* predefined methods
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -25,7 +25,7 @@ acpi_status (*acpi_repair_function) (struct acpi_evaluate_info * info,
return_object_ptr);
typedef struct acpi_repair_info {
- char name[ACPI_NAMESEG_SIZE];
+ char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
acpi_repair_function repair_function;
} acpi_repair_info;
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index 06ffdb6808f5..49cc07e2ac5a 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -4,7 +4,7 @@
* Module Name: nsutils - Utilities for accessing ACPI namespace, accessing
* parents and siblings and Scope manipulation
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index eee396a77bae..a2ac06a26e92 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -3,7 +3,7 @@
*
* Module Name: nswalk - Functions for walking the ACPI namespace
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index 5d5bcf165298..1db831545ec8 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -4,7 +4,7 @@
* Module Name: nsxfname - Public interfaces to the ACPI subsystem
* ACPI Namespace oriented interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index 28582adfc0ac..6f6ae38ec044 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -3,7 +3,7 @@
*
* Module Name: psargs - Parse AML opcode arguments
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index d0fd55636129..c989cadf271c 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -3,7 +3,7 @@
*
* Module Name: psloop - Main AML parse loop
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index 54471083ba54..496a1c1d5b0b 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -3,7 +3,7 @@
*
* Module Name: psobject - Support for parse objects
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -636,7 +636,8 @@ acpi_status
acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
union acpi_parse_object *op, acpi_status status)
{
- acpi_status status2;
+ acpi_status return_status = status;
+ u8 ascending = TRUE;
ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
@@ -650,7 +651,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
op));
do {
if (op) {
- if (walk_state->ascending_callback != NULL) {
+ if (ascending && walk_state->ascending_callback != NULL) {
walk_state->op = op;
walk_state->op_info =
acpi_ps_get_opcode_info(op->common.
@@ -672,49 +673,26 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
}
if (status == AE_CTRL_TERMINATE) {
- status = AE_OK;
-
- /* Clean up */
- do {
- if (op) {
- status2 =
- acpi_ps_complete_this_op
- (walk_state, op);
- if (ACPI_FAILURE
- (status2)) {
- return_ACPI_STATUS
- (status2);
- }
- }
-
- acpi_ps_pop_scope(&
- (walk_state->
- parser_state),
- &op,
- &walk_state->
- arg_types,
- &walk_state->
- arg_count);
-
- } while (op);
-
- return_ACPI_STATUS(status);
+ ascending = FALSE;
+ return_status = AE_CTRL_TERMINATE;
}
else if (ACPI_FAILURE(status)) {
/* First error is most important */
- (void)
- acpi_ps_complete_this_op(walk_state,
- op);
- return_ACPI_STATUS(status);
+ ascending = FALSE;
+ return_status = status;
}
}
- status2 = acpi_ps_complete_this_op(walk_state, op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
+ status = acpi_ps_complete_this_op(walk_state, op);
+ if (ACPI_FAILURE(status)) {
+ ascending = FALSE;
+ if (ACPI_SUCCESS(return_status) ||
+ return_status == AE_CTRL_TERMINATE) {
+ return_status = status;
+ }
}
}
@@ -724,5 +702,5 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
} while (op);
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(return_status);
}
diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 39e31030e5f4..bf6103986f48 100644
--- a/drivers/acpi/acpica/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -3,7 +3,7 @@
*
* Module Name: psopcode - Parser/Interpreter opcode information table
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c
index bccf606e08b4..1c8044ffcb97 100644
--- a/drivers/acpi/acpica/psopinfo.c
+++ b/drivers/acpi/acpica/psopinfo.c
@@ -3,7 +3,7 @@
*
* Module Name: psopinfo - AML opcode information functions and dispatch tables
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index 10a072953d78..55a416e56fd8 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -3,7 +3,7 @@
*
* Module Name: psparse - Parser top level AML parse routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c
index a0035bde7556..c4e4483f0a0b 100644
--- a/drivers/acpi/acpica/psscope.c
+++ b/drivers/acpi/acpica/psscope.c
@@ -3,7 +3,7 @@
*
* Module Name: psscope - Parser scope stack management routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c
index 7f7f5ecd4011..5a285d3f2cdb 100644
--- a/drivers/acpi/acpica/pstree.c
+++ b/drivers/acpi/acpica/pstree.c
@@ -3,7 +3,7 @@
*
* Module Name: pstree - Parser op tree manipulation/traversal/search
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c
index d550c4af4702..ada1dc304d25 100644
--- a/drivers/acpi/acpica/psutils.c
+++ b/drivers/acpi/acpica/psutils.c
@@ -3,7 +3,7 @@
*
* Module Name: psutils - Parser miscellaneous utilities (Parser only)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c
index d92817c72b8d..2f3ebcd8aebe 100644
--- a/drivers/acpi/acpica/pswalk.c
+++ b/drivers/acpi/acpica/pswalk.c
@@ -3,7 +3,7 @@
*
* Module Name: pswalk - Parser routines to walk parsed op tree(s)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index 6f4eace0ba69..d480de075a90 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -3,7 +3,7 @@
*
* Module Name: psxface - Parser external interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c
index 27384ee245f0..f92010e667cd 100644
--- a/drivers/acpi/acpica/rsaddr.c
+++ b/drivers/acpi/acpica/rsaddr.c
@@ -272,18 +272,13 @@ u8
acpi_rs_get_address_common(struct acpi_resource *resource,
union aml_resource *aml)
{
- struct aml_resource_address address;
-
ACPI_FUNCTION_ENTRY();
- /* Avoid undefined behavior: member access within misaligned address */
-
- memcpy(&address, aml, sizeof(address));
-
/* Validate the Resource Type */
- if ((address.resource_type > 2) &&
- (address.resource_type < 0xC0) && (address.resource_type != 0x0A)) {
+ if ((aml->address.resource_type > 2) &&
+ (aml->address.resource_type < 0xC0) &&
+ (aml->address.resource_type != 0x0A)) {
return (FALSE);
}
@@ -304,7 +299,7 @@ acpi_rs_get_address_common(struct acpi_resource *resource,
/* Generic resource type, just grab the type_specific byte */
resource->data.address.info.type_specific =
- address.specific_flags;
+ aml->address.specific_flags;
}
return (TRUE);
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index 6e7a152d6459..242daf45e20e 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -608,18 +608,12 @@ acpi_rs_get_list_length(u8 *aml_buffer,
case ACPI_RESOURCE_NAME_SERIAL_BUS:{
- /* Avoid undefined behavior: member access within misaligned address */
-
- struct aml_resource_common_serialbus
- common_serial_bus;
- memcpy(&common_serial_bus, aml_resource,
- sizeof(common_serial_bus));
-
minimum_aml_resource_length =
acpi_gbl_resource_aml_serial_bus_sizes
- [common_serial_bus.type];
+ [aml_resource->common_serial_bus.type];
extra_struct_bytes +=
- common_serial_bus.resource_length -
+ aml_resource->common_serial_bus.
+ resource_length -
minimum_aml_resource_length;
break;
}
@@ -688,16 +682,10 @@ acpi_rs_get_list_length(u8 *aml_buffer,
*/
if (acpi_ut_get_resource_type(aml_buffer) ==
ACPI_RESOURCE_NAME_SERIAL_BUS) {
-
- /* Avoid undefined behavior: member access within misaligned address */
-
- struct aml_resource_common_serialbus common_serial_bus;
- memcpy(&common_serial_bus, aml_resource,
- sizeof(common_serial_bus));
-
buffer_size =
acpi_gbl_resource_struct_serial_bus_sizes
- [common_serial_bus.type] + extra_struct_bytes;
+ [aml_resource->common_serial_bus.type] +
+ extra_struct_bytes;
} else {
buffer_size =
acpi_gbl_resource_struct_sizes[resource_index] +
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 164c96e063c6..e46efaa889cd 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -55,21 +55,15 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
aml_resource = ACPI_CAST_PTR(union aml_resource, aml);
if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) {
-
- /* Avoid undefined behavior: member access within misaligned address */
-
- struct aml_resource_common_serialbus common_serial_bus;
- memcpy(&common_serial_bus, aml_resource,
- sizeof(common_serial_bus));
-
- if (common_serial_bus.type > AML_RESOURCE_MAX_SERIALBUSTYPE) {
+ if (aml_resource->common_serial_bus.type >
+ AML_RESOURCE_MAX_SERIALBUSTYPE) {
conversion_table = NULL;
} else {
/* This is an I2C, SPI, UART, or CSI2 serial_bus descriptor */
conversion_table =
acpi_gbl_convert_resource_serial_bus_dispatch
- [common_serial_bus.type];
+ [aml_resource->common_serial_bus.type];
}
} else {
conversion_table =
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c
index a1f10e4409a3..5b98e09fff76 100644
--- a/drivers/acpi/acpica/tbdata.c
+++ b/drivers/acpi/acpica/tbdata.c
@@ -3,7 +3,7 @@
*
* Module Name: tbdata - Table manager data structure functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index 3c126c6d306b..c6658b2f3027 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -3,7 +3,7 @@
*
* Module Name: tbfadt - FADT table utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c
index 1c1b2e284bd9..d71a73216380 100644
--- a/drivers/acpi/acpica/tbfind.c
+++ b/drivers/acpi/acpica/tbfind.c
@@ -3,7 +3,7 @@
*
* Module Name: tbfind - find table
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -57,8 +57,8 @@ acpi_tb_find_table(char *signature,
memset(&header, 0, sizeof(struct acpi_table_header));
ACPI_COPY_NAMESEG(header.signature, signature);
- strncpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE);
- strncpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
+ memcpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE);
+ memcpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
/* Search for the table */
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 0dc003c20e4d..ee9b85bc238b 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -3,7 +3,7 @@
*
* Module Name: tbinstal - ACPI table installation and removal
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c
index 58b02e4b254b..fd64460a2e26 100644
--- a/drivers/acpi/acpica/tbprint.c
+++ b/drivers/acpi/acpica/tbprint.c
@@ -3,7 +3,7 @@
*
* Module Name: tbprint - Table output utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index dad7425fce3f..fa64851c7b62 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -3,7 +3,7 @@
*
* Module Name: tbutils - ACPI Table utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 275b52dc42e9..a8f07d2641b6 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -3,7 +3,7 @@
*
* Module Name: tbxface - ACPI table-oriented external interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index 0f2a7343de3a..2a17c60a9a39 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -3,7 +3,7 @@
*
* Module Name: tbxfload - Table load/unload external interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 5b413bbab338..961577ba9486 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -3,7 +3,7 @@
*
* Module Name: tbxfroot - Find the root ACPI table (RSDT)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c
index be94d2fd99a7..c673d6c95e0a 100644
--- a/drivers/acpi/acpica/utaddress.c
+++ b/drivers/acpi/acpica/utaddress.c
@@ -3,7 +3,7 @@
*
* Module Name: utaddress - op_region address range check
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c
index c1fb70457e20..2418a312733a 100644
--- a/drivers/acpi/acpica/utalloc.c
+++ b/drivers/acpi/acpica/utalloc.c
@@ -3,7 +3,7 @@
*
* Module Name: utalloc - local memory allocation routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c
index 2be37676edd7..259c28d3fecd 100644
--- a/drivers/acpi/acpica/utascii.c
+++ b/drivers/acpi/acpica/utascii.c
@@ -3,7 +3,7 @@
*
* Module Name: utascii - Utility ascii functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c
index b054bb5eeaf0..f6e6e98e9523 100644
--- a/drivers/acpi/acpica/utbuffer.c
+++ b/drivers/acpi/acpica/utbuffer.c
@@ -3,7 +3,7 @@
*
* Module Name: utbuffer - Buffer dump routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c
index 85a85f7cf750..cabec193febb 100644
--- a/drivers/acpi/acpica/utcache.c
+++ b/drivers/acpi/acpica/utcache.c
@@ -3,7 +3,7 @@
*
* Module Name: utcache - local cache allocation routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -251,9 +251,9 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
} else {
/* The cache is empty, create a new object */
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
ACPI_MEM_TRACKING(cache->total_allocated++);
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
if ((cache->total_allocated - cache->total_freed) >
cache->max_occupied) {
cache->max_occupied =
diff --git a/drivers/acpi/acpica/utcksum.c b/drivers/acpi/acpica/utcksum.c
index b483894c3629..e6f6030b3a3f 100644
--- a/drivers/acpi/acpica/utcksum.c
+++ b/drivers/acpi/acpica/utcksum.c
@@ -3,7 +3,7 @@
*
* Module Name: utcksum - Support generating table checksums
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index 2e17e657dfa4..80458e70ac2b 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -3,7 +3,7 @@
*
* Module Name: utcopy - Internal to external object translation utilities
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 3d71bd9245c7..9f197e293c7e 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -3,7 +3,7 @@
*
* Module Name: utdebug - Debug print/trace routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index 95a4b7509e01..b82130d1a8bc 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -3,7 +3,7 @@
*
* Module Name: utdecode - Utility decoding routines (value-to-string)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index c85bfa13ac1e..e8180099d01f 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -404,7 +404,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
object, object->common.type,
acpi_ut_get_object_type_name(object),
new_count));
- message = "Incremement";
+ message = "Increment";
break;
case REF_DECREMENT:
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index 3e5173d03953..abc6583ed369 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -3,7 +3,7 @@
*
* Module Name: uteval - Object evaluation
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 820820ea8119..97c55a113bae 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -3,7 +3,7 @@
*
* Module Name: utglobal - Global variables for the ACPI subsystem
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c
index e62802791dcf..8cd050e9cad5 100644
--- a/drivers/acpi/acpica/uthex.c
+++ b/drivers/acpi/acpica/uthex.c
@@ -3,7 +3,7 @@
*
* Module Name: uthex -- Hex/ASCII support functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index 15c2ce91d403..eb88335dea2c 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -3,7 +3,7 @@
*
* Module Name: utids - support for device Ids - HID, UID, CID, SUB, CLS
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c
index 6d78504e9fbc..4bef97e8223a 100644
--- a/drivers/acpi/acpica/utinit.c
+++ b/drivers/acpi/acpica/utinit.c
@@ -3,7 +3,7 @@
*
* Module Name: utinit - Common ACPI subsystem initialization
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c
index ee6d72385c5c..123dbcbc60bc 100644
--- a/drivers/acpi/acpica/utlock.c
+++ b/drivers/acpi/acpica/utlock.c
@@ -3,7 +3,7 @@
*
* Module Name: utlock - Reader/Writer lock interfaces
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index f4aae8f0d3a8..272e46208263 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -3,7 +3,7 @@
*
* Module Name: utobject - ACPI object create/delete/size/cache routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index 99b85fd6eccf..f6ac16729e42 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -3,7 +3,7 @@
*
* Module Name: utosi - Support for the _OSI predefined control method
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c
index 29d2977d0746..d9bd80e2d32a 100644
--- a/drivers/acpi/acpica/utpredef.c
+++ b/drivers/acpi/acpica/utpredef.c
@@ -3,7 +3,7 @@
*
* Module Name: utpredef - support functions for predefined names
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index 42b30b9f9312..423d10569736 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -3,7 +3,7 @@
*
* Module Name: utprint - Formatted printing routines
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
@@ -333,11 +333,8 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
pos = string;
- if (size != ACPI_UINT32_MAX) {
- end = string + size;
- } else {
- end = ACPI_CAST_PTR(char, ACPI_UINT32_MAX);
- }
+ size = ACPI_MIN(size, ACPI_PTR_DIFF(ACPI_MAX_PTR, string));
+ end = string + size;
for (; *format; ++format) {
if (*format != '%') {
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index cff7901f7866..e1cc3d348750 100644
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -361,20 +361,16 @@ acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
aml_resource = ACPI_CAST_PTR(union aml_resource, aml);
if (resource_type == ACPI_RESOURCE_NAME_SERIAL_BUS) {
- /* Avoid undefined behavior: member access within misaligned address */
-
- struct aml_resource_common_serialbus common_serial_bus;
- memcpy(&common_serial_bus, aml_resource,
- sizeof(common_serial_bus));
-
/* Validate the bus_type field */
- if ((common_serial_bus.type == 0) ||
- (common_serial_bus.type > AML_RESOURCE_MAX_SERIALBUSTYPE)) {
+ if ((aml_resource->common_serial_bus.type == 0) ||
+ (aml_resource->common_serial_bus.type >
+ AML_RESOURCE_MAX_SERIALBUSTYPE)) {
if (walk_state) {
ACPI_ERROR((AE_INFO,
"Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X",
- common_serial_bus.type));
+ aml_resource->common_serial_bus.
+ type));
}
return (AE_AML_INVALID_RESOURCE_TYPE);
}
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index f5f5da441458..a99c4c9e3d39 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -3,7 +3,7 @@
*
* Module Name: uttrack - Memory allocation tracking routines (debug only)
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utuuid.c b/drivers/acpi/acpica/utuuid.c
index 8f10b413e928..0682554934ca 100644
--- a/drivers/acpi/acpica/utuuid.c
+++ b/drivers/acpi/acpica/utuuid.c
@@ -3,7 +3,7 @@
*
* Module Name: utuuid -- UUID support functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index aa2e923462b7..56942b5f026b 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -3,7 +3,7 @@
*
* Module Name: utxface - External interfaces, miscellaneous utility functions
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c
index 70ae0afa7939..c1702f8fba67 100644
--- a/drivers/acpi/acpica/utxfinit.c
+++ b/drivers/acpi/acpica/utxfinit.c
@@ -3,7 +3,7 @@
*
* Module Name: utxfinit - External interfaces for ACPICA initialization
*
- * Copyright (C) 2000 - 2023, Intel Corp.
+ * Copyright (C) 2000 - 2025, Intel Corp.
*
*****************************************************************************/
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index 3cfe7e7475f2..070c07d68dfb 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -23,6 +23,7 @@ config ACPI_APEI_GHES
select ACPI_HED
select IRQ_WORK
select GENERIC_ALLOCATOR
+ select ARM_SDE_INTERFACE if ARM64
help
Generic Hardware Error Source provides a way to report
platform hardware errors (such as that from chipset). It
diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
index 04731a5b01fa..9b041415a9d0 100644
--- a/drivers/acpi/apei/einj-core.c
+++ b/drivers/acpi/apei/einj-core.c
@@ -21,7 +21,7 @@
#include <linux/nmi.h>
#include <linux/delay.h>
#include <linux/mm.h>
-#include <linux/platform_device.h>
+#include <linux/device/faux.h>
#include <linux/unaligned.h>
#include "apei-internal.h"
@@ -83,6 +83,8 @@ static struct debugfs_blob_wrapper vendor_blob;
static struct debugfs_blob_wrapper vendor_errors;
static char vendor_dev[64];
+static u32 available_error_type;
+
/*
* Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the
* EINJ table through an unpublished extension. Use with caution as
@@ -648,14 +650,9 @@ static struct { u32 mask; const char *str; } const einj_error_type_string[] = {
static int available_error_type_show(struct seq_file *m, void *v)
{
- int rc;
- u32 error_type = 0;
- rc = einj_get_available_error_type(&error_type);
- if (rc)
- return rc;
for (int pos = 0; pos < ARRAY_SIZE(einj_error_type_string); pos++)
- if (error_type & einj_error_type_string[pos].mask)
+ if (available_error_type & einj_error_type_string[pos].mask)
seq_printf(m, "0x%08x\t%s\n", einj_error_type_string[pos].mask,
einj_error_type_string[pos].str);
@@ -678,8 +675,7 @@ bool einj_is_cxl_error_type(u64 type)
int einj_validate_error_type(u64 type)
{
- u32 tval, vendor, available_error_type = 0;
- int rc;
+ u32 tval, vendor;
/* Only low 32 bits for error type are valid */
if (type & GENMASK_ULL(63, 32))
@@ -695,13 +691,9 @@ int einj_validate_error_type(u64 type)
/* Only one error type can be specified */
if (tval & (tval - 1))
return -EINVAL;
- if (!vendor) {
- rc = einj_get_available_error_type(&available_error_type);
- if (rc)
- return rc;
+ if (!vendor)
if (!(type & available_error_type))
return -EINVAL;
- }
return 0;
}
@@ -749,17 +741,12 @@ static int einj_check_table(struct acpi_table_einj *einj_tab)
return 0;
}
-static int __init einj_probe(struct platform_device *pdev)
+static int __init einj_probe(struct faux_device *fdev)
{
int rc;
acpi_status status;
struct apei_exec_context ctx;
- if (acpi_disabled) {
- pr_debug("ACPI disabled.\n");
- return -ENODEV;
- }
-
status = acpi_get_table(ACPI_SIG_EINJ, 0,
(struct acpi_table_header **)&einj_tab);
if (status == AE_NOT_FOUND) {
@@ -777,6 +764,10 @@ static int __init einj_probe(struct platform_device *pdev)
goto err_put_table;
}
+ rc = einj_get_available_error_type(&available_error_type);
+ if (rc)
+ goto err_put_table;
+
rc = -ENOMEM;
einj_debug_dir = debugfs_create_dir("einj", apei_get_debugfs_dir());
@@ -851,7 +842,7 @@ err_put_table:
return rc;
}
-static void __exit einj_remove(struct platform_device *pdev)
+static void __exit einj_remove(struct faux_device *fdev)
{
struct apei_exec_context ctx;
@@ -872,44 +863,36 @@ static void __exit einj_remove(struct platform_device *pdev)
acpi_put_table((struct acpi_table_header *)einj_tab);
}
-static struct platform_device *einj_dev;
+static struct faux_device *einj_dev;
/*
* einj_remove() lives in .exit.text. For drivers registered via
* platform_driver_probe() this is ok because they cannot get unbound at
* runtime. So mark the driver struct with __refdata to prevent modpost
* triggering a section mismatch warning.
*/
-static struct platform_driver einj_driver __refdata = {
+static struct faux_device_ops einj_device_ops __refdata = {
+ .probe = einj_probe,
.remove = __exit_p(einj_remove),
- .driver = {
- .name = "acpi-einj",
- },
};
static int __init einj_init(void)
{
- struct platform_device_info einj_dev_info = {
- .name = "acpi-einj",
- .id = -1,
- };
- int rc;
+ if (acpi_disabled) {
+ pr_debug("ACPI disabled.\n");
+ return -ENODEV;
+ }
- einj_dev = platform_device_register_full(&einj_dev_info);
- if (IS_ERR(einj_dev))
- return PTR_ERR(einj_dev);
+ einj_dev = faux_device_create("acpi-einj", NULL, &einj_device_ops);
- rc = platform_driver_probe(&einj_driver, einj_probe);
- einj_initialized = rc == 0;
+ if (einj_dev)
+ einj_initialized = true;
return 0;
}
static void __exit einj_exit(void)
{
- if (einj_initialized)
- platform_driver_unregister(&einj_driver);
-
- platform_device_unregister(einj_dev);
+ faux_device_destroy(einj_dev);
}
module_init(einj_init);
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index b72772494655..bda33a0f0a01 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -674,6 +674,105 @@ static void ghes_defer_non_standard_event(struct acpi_hest_generic_data *gdata,
schedule_work(&entry->work);
}
+/* Room for 8 entries */
+#define CXL_CPER_PROT_ERR_FIFO_DEPTH 8
+static DEFINE_KFIFO(cxl_cper_prot_err_fifo, struct cxl_cper_prot_err_work_data,
+ CXL_CPER_PROT_ERR_FIFO_DEPTH);
+
+/* Synchronize schedule_work() with cxl_cper_prot_err_work changes */
+static DEFINE_SPINLOCK(cxl_cper_prot_err_work_lock);
+struct work_struct *cxl_cper_prot_err_work;
+
+static void cxl_cper_post_prot_err(struct cxl_cper_sec_prot_err *prot_err,
+ int severity)
+{
+#ifdef CONFIG_ACPI_APEI_PCIEAER
+ struct cxl_cper_prot_err_work_data wd;
+ u8 *dvsec_start, *cap_start;
+
+ if (!(prot_err->valid_bits & PROT_ERR_VALID_AGENT_ADDRESS)) {
+ pr_err_ratelimited("CXL CPER invalid agent type\n");
+ return;
+ }
+
+ if (!(prot_err->valid_bits & PROT_ERR_VALID_ERROR_LOG)) {
+ pr_err_ratelimited("CXL CPER invalid protocol error log\n");
+ return;
+ }
+
+ if (prot_err->err_len != sizeof(struct cxl_ras_capability_regs)) {
+ pr_err_ratelimited("CXL CPER invalid RAS Cap size (%u)\n",
+ prot_err->err_len);
+ return;
+ }
+
+ if (!(prot_err->valid_bits & PROT_ERR_VALID_SERIAL_NUMBER))
+ pr_warn(FW_WARN "CXL CPER no device serial number\n");
+
+ guard(spinlock_irqsave)(&cxl_cper_prot_err_work_lock);
+
+ if (!cxl_cper_prot_err_work)
+ return;
+
+ switch (prot_err->agent_type) {
+ case RCD:
+ case DEVICE:
+ case LD:
+ case FMLD:
+ case RP:
+ case DSP:
+ case USP:
+ memcpy(&wd.prot_err, prot_err, sizeof(wd.prot_err));
+
+ dvsec_start = (u8 *)(prot_err + 1);
+ cap_start = dvsec_start + prot_err->dvsec_len;
+
+ memcpy(&wd.ras_cap, cap_start, sizeof(wd.ras_cap));
+ wd.severity = cper_severity_to_aer(severity);
+ break;
+ default:
+ pr_err_ratelimited("CXL CPER invalid agent type: %d\n",
+ prot_err->agent_type);
+ return;
+ }
+
+ if (!kfifo_put(&cxl_cper_prot_err_fifo, wd)) {
+ pr_err_ratelimited("CXL CPER kfifo overflow\n");
+ return;
+ }
+
+ schedule_work(cxl_cper_prot_err_work);
+#endif
+}
+
+int cxl_cper_register_prot_err_work(struct work_struct *work)
+{
+ if (cxl_cper_prot_err_work)
+ return -EINVAL;
+
+ guard(spinlock)(&cxl_cper_prot_err_work_lock);
+ cxl_cper_prot_err_work = work;
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(cxl_cper_register_prot_err_work, "CXL");
+
+int cxl_cper_unregister_prot_err_work(struct work_struct *work)
+{
+ if (cxl_cper_prot_err_work != work)
+ return -EINVAL;
+
+ guard(spinlock)(&cxl_cper_prot_err_work_lock);
+ cxl_cper_prot_err_work = NULL;
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(cxl_cper_unregister_prot_err_work, "CXL");
+
+int cxl_cper_prot_err_kfifo_get(struct cxl_cper_prot_err_work_data *wd)
+{
+ return kfifo_get(&cxl_cper_prot_err_fifo, wd);
+}
+EXPORT_SYMBOL_NS_GPL(cxl_cper_prot_err_kfifo_get, "CXL");
+
/* Room for 8 entries for each of the 4 event log queues */
#define CXL_CPER_FIFO_DEPTH 32
DEFINE_KFIFO(cxl_cper_fifo, struct cxl_cper_work_data, CXL_CPER_FIFO_DEPTH);
@@ -777,6 +876,10 @@ static bool ghes_do_proc(struct ghes *ghes,
}
else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
queued = ghes_handle_arm_hw_error(gdata, sev, sync);
+ } else if (guid_equal(sec_type, &CPER_SEC_CXL_PROT_ERR)) {
+ struct cxl_cper_sec_prot_err *prot_err = acpi_hest_get_payload(gdata);
+
+ cxl_cper_post_prot_err(prot_err, gdata->error_severity);
} else if (guid_equal(sec_type, &CPER_SEC_CXL_GEN_MEDIA_GUID)) {
struct cxl_cper_event_rec *rec = acpi_hest_get_payload(gdata);
@@ -799,6 +902,17 @@ static bool ghes_do_proc(struct ghes *ghes,
}
}
+ /*
+ * If no memory failure work is queued for abnormal synchronous
+ * errors, do a force kill.
+ */
+ if (sync && !queued) {
+ dev_err(ghes->dev,
+ HW_ERR GHES_PFX "%s:%d: synchronous unrecoverable error (SIGBUS)\n",
+ current->comm, task_pid_nr(current));
+ force_sig(SIGBUS);
+ }
+
return queued;
}
@@ -985,6 +1099,8 @@ static void __ghes_panic(struct ghes *ghes,
__ghes_print_estatus(KERN_EMERG, ghes->generic, estatus);
+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_STILL_OK);
+
ghes_clear_estatus(ghes, estatus, buf_paddr, fixmap_idx);
if (!panic_timeout)
@@ -1035,7 +1151,7 @@ static void ghes_add_timer(struct ghes *ghes)
static void ghes_poll_func(struct timer_list *t)
{
- struct ghes *ghes = from_timer(ghes, t, timer);
+ struct ghes *ghes = timer_container_of(ghes, t, timer);
unsigned long flags;
spin_lock_irqsave(&ghes_notify_lock_irq, flags);
@@ -1612,7 +1728,7 @@ void __init acpi_ghes_init(void)
{
int rc;
- sdei_init();
+ acpi_sdei_init();
if (acpi_disabled)
return;
diff --git a/drivers/acpi/arm64/dma.c b/drivers/acpi/arm64/dma.c
index 52b2abf88689..f30f138352b7 100644
--- a/drivers/acpi/arm64/dma.c
+++ b/drivers/acpi/arm64/dma.c
@@ -26,6 +26,11 @@ void acpi_arch_dma_setup(struct device *dev)
else
end = (1ULL << 32) - 1;
+ if (dev->dma_range_map) {
+ dev_dbg(dev, "dma_range_map already set\n");
+ return;
+ }
+
ret = acpi_dma_get_range(dev, &map);
if (!ret && map) {
end = dma_range_map_max(map);
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 3d5342f8d7b3..6905b56bf3e4 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -279,8 +279,8 @@ static int acpi_battery_get_property(struct power_supply *psy,
full_capacity == ACPI_BATTERY_VALUE_UNKNOWN)
ret = -ENODEV;
else
- val->intval = battery->capacity_now * 100/
- full_capacity;
+ val->intval = DIV_ROUND_CLOSEST_ULL(battery->capacity_now * 100ULL,
+ full_capacity);
break;
case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
if (battery->state & ACPI_BATTERY_STATE_CRITICAL)
@@ -717,7 +717,7 @@ static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook)
}
list_del_init(&hook->list);
- pr_info("extension unregistered: %s\n", hook->name);
+ pr_info("hook unregistered: %s\n", hook->name);
}
void battery_hook_unregister(struct acpi_battery_hook *hook)
@@ -751,18 +751,18 @@ void battery_hook_register(struct acpi_battery_hook *hook)
if (hook->add_battery(battery->bat, hook)) {
/*
* If a add-battery returns non-zero,
- * the registration of the extension has failed,
+ * the registration of the hook has failed,
* and we will not add it to the list of loaded
* hooks.
*/
- pr_err("extension failed to load: %s", hook->name);
+ pr_err("hook failed to load: %s", hook->name);
battery_hook_unregister_unlocked(hook);
goto end;
}
power_supply_changed(battery->bat);
}
- pr_info("new extension: %s\n", hook->name);
+ pr_info("new hook: %s\n", hook->name);
end:
mutex_unlock(&hook_mutex);
}
@@ -805,10 +805,10 @@ static void battery_hook_add_battery(struct acpi_battery *battery)
list_for_each_entry_safe(hook_node, tmp, &battery_hook_list, list) {
if (hook_node->add_battery(battery->bat, hook_node)) {
/*
- * The notification of the extensions has failed, to
- * prevent further errors we will unload the extension.
+ * The notification of the hook has failed, to
+ * prevent further errors we will unload the hook.
*/
- pr_err("error in extension, unloading: %s",
+ pr_err("error in hook, unloading: %s",
hook_node->name);
battery_hook_unregister_unlocked(hook_node);
}
diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index d1d9c9289087..35ece8e9f15d 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -29,7 +29,7 @@ BGRT_SHOW(type, image_type);
BGRT_SHOW(xoffset, image_offset_x);
BGRT_SHOW(yoffset, image_offset_y);
-static BIN_ATTR_SIMPLE_RO(image);
+static __ro_after_init BIN_ATTR_SIMPLE_RO(image);
static struct attribute *bgrt_attributes[] = {
&bgrt_attr_version.attr,
@@ -40,14 +40,14 @@ static struct attribute *bgrt_attributes[] = {
NULL,
};
-static struct bin_attribute *bgrt_bin_attributes[] = {
+static const struct bin_attribute *const bgrt_bin_attributes[] = {
&bin_attr_image,
NULL,
};
static const struct attribute_group bgrt_attribute_group = {
.attrs = bgrt_attributes,
- .bin_attrs = bgrt_bin_attributes,
+ .bin_attrs_new = bgrt_bin_attributes,
};
int __init acpi_parse_bgrt(struct acpi_table_header *table)
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 058910af82bc..c2ab2783303f 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1446,8 +1446,10 @@ static int __init acpi_init(void)
}
acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
- if (!acpi_kobj)
- pr_debug("%s: kset create error\n", __func__);
+ if (!acpi_kobj) {
+ pr_err("Failed to register kobject\n");
+ return -ENOMEM;
+ }
init_prmt();
acpi_init_pcc();
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 7773e6b860e7..0a7026040188 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -24,6 +24,7 @@
#define ACPI_BUTTON_CLASS "button"
#define ACPI_BUTTON_FILE_STATE "state"
#define ACPI_BUTTON_TYPE_UNKNOWN 0x00
+#define ACPI_BUTTON_NOTIFY_WAKE 0x02
#define ACPI_BUTTON_NOTIFY_STATUS 0x80
#define ACPI_BUTTON_SUBCLASS_POWER "power"
@@ -443,7 +444,12 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
struct input_dev *input;
int keycode;
- if (event != ACPI_BUTTON_NOTIFY_STATUS) {
+ switch (event) {
+ case ACPI_BUTTON_NOTIFY_STATUS:
+ break;
+ case ACPI_BUTTON_NOTIFY_WAKE:
+ break;
+ default:
acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n",
event);
return;
@@ -452,7 +458,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
acpi_pm_wakeup_event(&device->dev);
button = acpi_driver_data(device);
- if (button->suspended)
+ if (button->suspended || event == ACPI_BUTTON_NOTIFY_WAKE)
return;
input = button->input;
@@ -629,7 +635,7 @@ static int acpi_button_add(struct acpi_device *device)
break;
default:
status = acpi_install_notify_handler(device->handle,
- ACPI_DEVICE_NOTIFY, handler,
+ ACPI_ALL_NOTIFY, handler,
device);
break;
}
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index f193e713825a..6b649031808f 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -47,7 +47,6 @@
struct cppc_pcc_data {
struct pcc_mbox_chan *pcc_channel;
- void __iomem *pcc_comm_addr;
bool pcc_channel_acquired;
unsigned int deadline_us;
unsigned int pcc_mpar, pcc_mrtt, pcc_nominal;
@@ -95,7 +94,7 @@ static DEFINE_PER_CPU(int, cpu_pcc_subspace_idx);
static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr);
/* pcc mapped address + header size + offset within PCC subspace */
-#define GET_PCC_VADDR(offs, pcc_ss_id) (pcc_data[pcc_ss_id]->pcc_comm_addr + \
+#define GET_PCC_VADDR(offs, pcc_ss_id) (pcc_data[pcc_ss_id]->pcc_channel->shmem + \
0x8 + (offs))
/* Check if a CPC register is in PCC */
@@ -129,6 +128,20 @@ static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr);
#define CPC_SUPPORTED(cpc) ((cpc)->type == ACPI_TYPE_INTEGER ? \
!!(cpc)->cpc_entry.int_value : \
!IS_NULL_REG(&(cpc)->cpc_entry.reg))
+
+/*
+ * Each bit indicates the optionality of the register in per-cpu
+ * cpc_regs[] with the corresponding index. 0 means mandatory and 1
+ * means optional.
+ */
+#define REG_OPTIONAL (0x1FC7D0)
+
+/*
+ * Use the index of the register in per-cpu cpc_regs[] to check if
+ * it's an optional one.
+ */
+#define IS_OPTIONAL_CPC_REG(reg_idx) (REG_OPTIONAL & (1U << (reg_idx)))
+
/*
* Arbitrary Retries in case the remote processor is slow to respond
* to PCC commands. Keeping it high enough to cover emulators where
@@ -223,7 +236,7 @@ static int check_pcc_chan(int pcc_ss_id, bool chk_err_bit)
int ret, status;
struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id];
struct acpi_pcct_shared_memory __iomem *generic_comm_base =
- pcc_ss_data->pcc_comm_addr;
+ pcc_ss_data->pcc_channel->shmem;
if (!pcc_ss_data->platform_owns_pcc)
return 0;
@@ -258,7 +271,7 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
int ret = -EIO, i;
struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id];
struct acpi_pcct_shared_memory __iomem *generic_comm_base =
- pcc_ss_data->pcc_comm_addr;
+ pcc_ss_data->pcc_channel->shmem;
unsigned int time_delta;
/*
@@ -463,7 +476,7 @@ bool cppc_allow_fast_switch(void)
struct cpc_desc *cpc_ptr;
int cpu;
- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
cpc_ptr = per_cpu(cpc_desc_ptr, cpu);
desired_reg = &cpc_ptr->cpc_regs[DESIRED_PERF];
if (!CPC_IN_SYSTEM_MEMORY(desired_reg) &&
@@ -571,15 +584,6 @@ static int register_pcc_channel(int pcc_ss_idx)
pcc_data[pcc_ss_idx]->pcc_mpar = pcc_chan->max_access_rate;
pcc_data[pcc_ss_idx]->pcc_nominal = pcc_chan->latency;
- pcc_data[pcc_ss_idx]->pcc_comm_addr =
- acpi_os_ioremap(pcc_chan->shmem_base_addr,
- pcc_chan->shmem_size);
- if (!pcc_data[pcc_ss_idx]->pcc_comm_addr) {
- pr_err("Failed to ioremap PCC comm region mem for %d\n",
- pcc_ss_idx);
- return -ENOMEM;
- }
-
/* Set flag so that we don't come here for each CPU. */
pcc_data[pcc_ss_idx]->pcc_channel_acquired = true;
}
@@ -1175,43 +1179,106 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
return ret_val;
}
-static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
+static int cppc_get_reg_val_in_pcc(int cpu, struct cpc_register_resource *reg, u64 *val)
{
- struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
+ int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
+ struct cppc_pcc_data *pcc_ss_data = NULL;
+ int ret;
+
+ if (pcc_ss_id < 0) {
+ pr_debug("Invalid pcc_ss_id\n");
+ return -ENODEV;
+ }
+
+ pcc_ss_data = pcc_data[pcc_ss_id];
+
+ down_write(&pcc_ss_data->pcc_lock);
+
+ if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0)
+ ret = cpc_read(cpu, reg, val);
+ else
+ ret = -EIO;
+
+ up_write(&pcc_ss_data->pcc_lock);
+
+ return ret;
+}
+
+static int cppc_get_reg_val(int cpu, enum cppc_regs reg_idx, u64 *val)
+{
+ struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
struct cpc_register_resource *reg;
+ if (val == NULL)
+ return -EINVAL;
+
if (!cpc_desc) {
- pr_debug("No CPC descriptor for CPU:%d\n", cpunum);
+ pr_debug("No CPC descriptor for CPU:%d\n", cpu);
return -ENODEV;
}
reg = &cpc_desc->cpc_regs[reg_idx];
- if (CPC_IN_PCC(reg)) {
- int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
- struct cppc_pcc_data *pcc_ss_data = NULL;
- int ret = 0;
-
- if (pcc_ss_id < 0)
- return -EIO;
+ if ((reg->type == ACPI_TYPE_INTEGER && IS_OPTIONAL_CPC_REG(reg_idx) &&
+ !reg->cpc_entry.int_value) || (reg->type != ACPI_TYPE_INTEGER &&
+ IS_NULL_REG(&reg->cpc_entry.reg))) {
+ pr_debug("CPC register is not supported\n");
+ return -EOPNOTSUPP;
+ }
- pcc_ss_data = pcc_data[pcc_ss_id];
+ if (CPC_IN_PCC(reg))
+ return cppc_get_reg_val_in_pcc(cpu, reg, val);
- down_write(&pcc_ss_data->pcc_lock);
+ return cpc_read(cpu, reg, val);
+}
- if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0)
- cpc_read(cpunum, reg, perf);
- else
- ret = -EIO;
+static int cppc_set_reg_val_in_pcc(int cpu, struct cpc_register_resource *reg, u64 val)
+{
+ int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
+ struct cppc_pcc_data *pcc_ss_data = NULL;
+ int ret;
- up_write(&pcc_ss_data->pcc_lock);
+ if (pcc_ss_id < 0) {
+ pr_debug("Invalid pcc_ss_id\n");
+ return -ENODEV;
+ }
+ ret = cpc_write(cpu, reg, val);
+ if (ret)
return ret;
+
+ pcc_ss_data = pcc_data[pcc_ss_id];
+
+ down_write(&pcc_ss_data->pcc_lock);
+ /* after writing CPC, transfer the ownership of PCC to platform */
+ ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
+ up_write(&pcc_ss_data->pcc_lock);
+
+ return ret;
+}
+
+static int cppc_set_reg_val(int cpu, enum cppc_regs reg_idx, u64 val)
+{
+ struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
+ struct cpc_register_resource *reg;
+
+ if (!cpc_desc) {
+ pr_debug("No CPC descriptor for CPU:%d\n", cpu);
+ return -ENODEV;
}
- cpc_read(cpunum, reg, perf);
+ reg = &cpc_desc->cpc_regs[reg_idx];
- return 0;
+ /* if a register is writeable, it must be a buffer and not null */
+ if ((reg->type != ACPI_TYPE_BUFFER) || IS_NULL_REG(&reg->cpc_entry.reg)) {
+ pr_debug("CPC register is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (CPC_IN_PCC(reg))
+ return cppc_set_reg_val_in_pcc(cpu, reg, val);
+
+ return cpc_write(cpu, reg, val);
}
/**
@@ -1223,7 +1290,7 @@ static int cppc_get_perf(int cpunum, enum cppc_regs reg_idx, u64 *perf)
*/
int cppc_get_desired_perf(int cpunum, u64 *desired_perf)
{
- return cppc_get_perf(cpunum, DESIRED_PERF, desired_perf);
+ return cppc_get_reg_val(cpunum, DESIRED_PERF, desired_perf);
}
EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
@@ -1236,7 +1303,7 @@ EXPORT_SYMBOL_GPL(cppc_get_desired_perf);
*/
int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
{
- return cppc_get_perf(cpunum, NOMINAL_PERF, nominal_perf);
+ return cppc_get_reg_val(cpunum, NOMINAL_PERF, nominal_perf);
}
/**
@@ -1248,7 +1315,7 @@ int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf)
*/
int cppc_get_highest_perf(int cpunum, u64 *highest_perf)
{
- return cppc_get_perf(cpunum, HIGHEST_PERF, highest_perf);
+ return cppc_get_reg_val(cpunum, HIGHEST_PERF, highest_perf);
}
EXPORT_SYMBOL_GPL(cppc_get_highest_perf);
@@ -1261,7 +1328,7 @@ EXPORT_SYMBOL_GPL(cppc_get_highest_perf);
*/
int cppc_get_epp_perf(int cpunum, u64 *epp_perf)
{
- return cppc_get_perf(cpunum, ENERGY_PERF, epp_perf);
+ return cppc_get_reg_val(cpunum, ENERGY_PERF, epp_perf);
}
EXPORT_SYMBOL_GPL(cppc_get_epp_perf);
@@ -1535,53 +1602,110 @@ int cppc_set_epp_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls, bool enable)
EXPORT_SYMBOL_GPL(cppc_set_epp_perf);
/**
- * cppc_get_auto_sel_caps - Read autonomous selection register.
- * @cpunum : CPU from which to read register.
- * @perf_caps : struct where autonomous selection register value is updated.
+ * cppc_set_epp() - Write the EPP register.
+ * @cpu: CPU on which to write register.
+ * @epp_val: Value to write to the EPP register.
*/
-int cppc_get_auto_sel_caps(int cpunum, struct cppc_perf_caps *perf_caps)
+int cppc_set_epp(int cpu, u64 epp_val)
{
- struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum);
- struct cpc_register_resource *auto_sel_reg;
- u64 auto_sel;
+ if (epp_val > CPPC_ENERGY_PERF_MAX)
+ return -EINVAL;
- if (!cpc_desc) {
- pr_debug("No CPC descriptor for CPU:%d\n", cpunum);
- return -ENODEV;
- }
+ return cppc_set_reg_val(cpu, ENERGY_PERF, epp_val);
+}
+EXPORT_SYMBOL_GPL(cppc_set_epp);
- auto_sel_reg = &cpc_desc->cpc_regs[AUTO_SEL_ENABLE];
+/**
+ * cppc_get_auto_act_window() - Read autonomous activity window register.
+ * @cpu: CPU from which to read register.
+ * @auto_act_window: Return address.
+ *
+ * According to ACPI 6.5, s8.4.6.1.6, the value read from the autonomous
+ * activity window register consists of two parts: a 7 bits value indicate
+ * significand and a 3 bits value indicate exponent.
+ */
+int cppc_get_auto_act_window(int cpu, u64 *auto_act_window)
+{
+ unsigned int exp;
+ u64 val, sig;
+ int ret;
- if (!CPC_SUPPORTED(auto_sel_reg))
- pr_warn_once("Autonomous mode is not unsupported!\n");
+ if (auto_act_window == NULL)
+ return -EINVAL;
- if (CPC_IN_PCC(auto_sel_reg)) {
- int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum);
- struct cppc_pcc_data *pcc_ss_data = NULL;
- int ret = 0;
+ ret = cppc_get_reg_val(cpu, AUTO_ACT_WINDOW, &val);
+ if (ret)
+ return ret;
- if (pcc_ss_id < 0)
- return -ENODEV;
+ sig = val & CPPC_AUTO_ACT_WINDOW_MAX_SIG;
+ exp = (val >> CPPC_AUTO_ACT_WINDOW_SIG_BIT_SIZE) & CPPC_AUTO_ACT_WINDOW_MAX_EXP;
+ *auto_act_window = sig * int_pow(10, exp);
- pcc_ss_data = pcc_data[pcc_ss_id];
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cppc_get_auto_act_window);
- down_write(&pcc_ss_data->pcc_lock);
+/**
+ * cppc_set_auto_act_window() - Write autonomous activity window register.
+ * @cpu: CPU on which to write register.
+ * @auto_act_window: usec value to write to the autonomous activity window register.
+ *
+ * According to ACPI 6.5, s8.4.6.1.6, the value to write to the autonomous
+ * activity window register consists of two parts: a 7 bits value indicate
+ * significand and a 3 bits value indicate exponent.
+ */
+int cppc_set_auto_act_window(int cpu, u64 auto_act_window)
+{
+ /* The max value to store is 1270000000 */
+ u64 max_val = CPPC_AUTO_ACT_WINDOW_MAX_SIG * int_pow(10, CPPC_AUTO_ACT_WINDOW_MAX_EXP);
+ int exp = 0;
+ u64 val;
- if (send_pcc_cmd(pcc_ss_id, CMD_READ) >= 0) {
- cpc_read(cpunum, auto_sel_reg, &auto_sel);
- perf_caps->auto_sel = (bool)auto_sel;
- } else {
- ret = -EIO;
- }
+ if (auto_act_window > max_val)
+ return -EINVAL;
- up_write(&pcc_ss_data->pcc_lock);
+ /*
+ * The max significand is 127, when auto_act_window is larger than
+ * 129, discard the precision of the last digit and increase the
+ * exponent by 1.
+ */
+ while (auto_act_window > CPPC_AUTO_ACT_WINDOW_SIG_CARRY_THRESH) {
+ auto_act_window /= 10;
+ exp += 1;
+ }
+
+ /* For 128 and 129, cut it to 127. */
+ if (auto_act_window > CPPC_AUTO_ACT_WINDOW_MAX_SIG)
+ auto_act_window = CPPC_AUTO_ACT_WINDOW_MAX_SIG;
+ val = (exp << CPPC_AUTO_ACT_WINDOW_SIG_BIT_SIZE) + auto_act_window;
+
+ return cppc_set_reg_val(cpu, AUTO_ACT_WINDOW, val);
+}
+EXPORT_SYMBOL_GPL(cppc_set_auto_act_window);
+
+/**
+ * cppc_get_auto_sel() - Read autonomous selection register.
+ * @cpu: CPU from which to read register.
+ * @enable: Return address.
+ */
+int cppc_get_auto_sel(int cpu, bool *enable)
+{
+ u64 auto_sel;
+ int ret;
+
+ if (enable == NULL)
+ return -EINVAL;
+
+ ret = cppc_get_reg_val(cpu, AUTO_SEL_ENABLE, &auto_sel);
+ if (ret)
return ret;
- }
+
+ *enable = (bool)auto_sel;
return 0;
}
-EXPORT_SYMBOL_GPL(cppc_get_auto_sel_caps);
+EXPORT_SYMBOL_GPL(cppc_get_auto_sel);
/**
* cppc_set_auto_sel - Write autonomous selection register.
@@ -1590,43 +1714,7 @@ EXPORT_SYMBOL_GPL(cppc_get_auto_sel_caps);
*/
int cppc_set_auto_sel(int cpu, bool enable)
{
- int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
- struct cpc_register_resource *auto_sel_reg;
- struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
- struct cppc_pcc_data *pcc_ss_data = NULL;
- int ret = -EINVAL;
-
- if (!cpc_desc) {
- pr_debug("No CPC descriptor for CPU:%d\n", cpu);
- return -ENODEV;
- }
-
- auto_sel_reg = &cpc_desc->cpc_regs[AUTO_SEL_ENABLE];
-
- if (CPC_IN_PCC(auto_sel_reg)) {
- if (pcc_ss_id < 0) {
- pr_debug("Invalid pcc_ss_id\n");
- return -ENODEV;
- }
-
- if (CPC_SUPPORTED(auto_sel_reg)) {
- ret = cpc_write(cpu, auto_sel_reg, enable);
- if (ret)
- return ret;
- }
-
- pcc_ss_data = pcc_data[pcc_ss_id];
-
- down_write(&pcc_ss_data->pcc_lock);
- /* after writing CPC, transfer the ownership of PCC to platform */
- ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
- up_write(&pcc_ss_data->pcc_lock);
- } else {
- ret = -ENOTSUPP;
- pr_debug("_CPC in PCC is not supported\n");
- }
-
- return ret;
+ return cppc_set_reg_val(cpu, AUTO_SEL_ENABLE, enable);
}
EXPORT_SYMBOL_GPL(cppc_set_auto_sel);
@@ -1640,38 +1728,7 @@ EXPORT_SYMBOL_GPL(cppc_set_auto_sel);
*/
int cppc_set_enable(int cpu, bool enable)
{
- int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
- struct cpc_register_resource *enable_reg;
- struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu);
- struct cppc_pcc_data *pcc_ss_data = NULL;
- int ret = -EINVAL;
-
- if (!cpc_desc) {
- pr_debug("No CPC descriptor for CPU:%d\n", cpu);
- return -EINVAL;
- }
-
- enable_reg = &cpc_desc->cpc_regs[ENABLE];
-
- if (CPC_IN_PCC(enable_reg)) {
-
- if (pcc_ss_id < 0)
- return -EIO;
-
- ret = cpc_write(cpu, enable_reg, enable);
- if (ret)
- return ret;
-
- pcc_ss_data = pcc_data[pcc_ss_id];
-
- down_write(&pcc_ss_data->pcc_lock);
- /* after writing CPC, transfer the ownership of PCC to platfrom */
- ret = send_pcc_cmd(pcc_ss_id, CMD_WRITE);
- up_write(&pcc_ss_data->pcc_lock);
- return ret;
- }
-
- return cpc_write(cpu, enable_reg, enable);
+ return cppc_set_reg_val(cpu, ENABLE, enable);
}
EXPORT_SYMBOL_GPL(cppc_set_enable);
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 3b4d048c4941..dbd4446025ec 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -1161,7 +1161,7 @@ EXPORT_SYMBOL_GPL(acpi_subsys_complete);
*/
int acpi_subsys_suspend(struct device *dev)
{
- if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) ||
+ if (!dev_pm_smart_suspend(dev) ||
acpi_dev_needs_resume(dev, ACPI_COMPANION(dev)))
pm_runtime_resume(dev);
@@ -1320,7 +1320,7 @@ EXPORT_SYMBOL_GPL(acpi_subsys_restore_early);
*/
int acpi_subsys_poweroff(struct device *dev)
{
- if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) ||
+ if (!dev_pm_smart_suspend(dev) ||
acpi_dev_needs_resume(dev, ACPI_COMPANION(dev)))
pm_runtime_resume(dev);
diff --git a/drivers/acpi/dptf/dptf_pch_fivr.c b/drivers/acpi/dptf/dptf_pch_fivr.c
index 624fce67ce43..952216c67d58 100644
--- a/drivers/acpi/dptf/dptf_pch_fivr.c
+++ b/drivers/acpi/dptf/dptf_pch_fivr.c
@@ -152,6 +152,7 @@ static const struct acpi_device_id pch_fivr_device_ids[] = {
{"INTC1064", 0},
{"INTC106B", 0},
{"INTC10A3", 0},
+ {"INTC10D7", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, pch_fivr_device_ids);
diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c
index 3d3edd81b172..e8caf4106ff9 100644
--- a/drivers/acpi/dptf/dptf_power.c
+++ b/drivers/acpi/dptf/dptf_power.c
@@ -236,6 +236,8 @@ static const struct acpi_device_id int3407_device_ids[] = {
{"INTC106D", 0},
{"INTC10A4", 0},
{"INTC10A5", 0},
+ {"INTC10D8", 0},
+ {"INTC10D9", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, int3407_device_ids);
diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c
index 014ada759954..aef7aca2161d 100644
--- a/drivers/acpi/dptf/int340x_thermal.c
+++ b/drivers/acpi/dptf/int340x_thermal.c
@@ -55,6 +55,12 @@ static const struct acpi_device_id int340x_thermal_device_ids[] = {
{"INTC10A3"},
{"INTC10A4"},
{"INTC10A5"},
+ {"INTC10D4"},
+ {"INTC10D5"},
+ {"INTC10D6"},
+ {"INTC10D7"},
+ {"INTC10D8"},
+ {"INTC10D9"},
{""},
};
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 8db09d81918f..7855bbf752b1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -23,8 +23,10 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/list.h>
+#include <linux/printk.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <linux/suspend.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
@@ -2031,6 +2033,25 @@ void __init acpi_ec_ecdt_probe(void)
goto out;
}
+ if (!strlen(ecdt_ptr->id)) {
+ /*
+ * The ECDT table on some MSI notebooks contains invalid data, together
+ * with an empty ID string ("").
+ *
+ * Section 5.2.15 of the ACPI specification requires the ID string to be
+ * a "fully qualified reference to the (...) embedded controller device",
+ * so this string always has to start with a backslash.
+ *
+ * However some ThinkBook machines have a ECDT table with a valid EC
+ * description but an invalid ID string ("_SB.PC00.LPCB.EC0").
+ *
+ * Because of this we only check if the ID string is empty in order to
+ * avoid the obvious cases.
+ */
+ pr_err(FW_BUG "Ignoring ECDT due to empty ID string\n");
+ goto out;
+ }
+
ec = acpi_ec_alloc();
if (!ec)
goto out;
@@ -2301,6 +2322,40 @@ static const struct dmi_system_id acpi_ec_no_wakeup[] = {
DMI_MATCH(DMI_PRODUCT_FAMILY, "103C_5336AN HP ZHAN 66 Pro"),
},
},
+ /*
+ * Lenovo Legion Go S; touchscreen blocks HW sleep when woken up from EC
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/3929
+ */
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "83L3"),
+ }
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "83N6"),
+ }
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "83Q2"),
+ }
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "83Q3"),
+ }
+ },
+ {
+ // TUXEDO InfinityBook Pro AMD Gen9
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "GXxHRXx"),
+ },
+ },
{ },
};
diff --git a/drivers/acpi/fan.h b/drivers/acpi/fan.h
index db25a3898af7..15eba1c70e66 100644
--- a/drivers/acpi/fan.h
+++ b/drivers/acpi/fan.h
@@ -19,6 +19,7 @@
{"INTC1063", }, /* Fan for Meteor Lake generation */ \
{"INTC106A", }, /* Fan for Lunar Lake generation */ \
{"INTC10A2", }, /* Fan for Raptor Lake generation */ \
+ {"INTC10D6", }, /* Fan for Panther Lake generation */ \
{"PNP0C0B", } /* Generic ACPI fan */
#define ACPI_FPS_NAME_LEN 20
@@ -48,6 +49,7 @@ struct acpi_fan_fst {
struct acpi_fan {
bool acpi4;
+ bool has_fst;
struct acpi_fan_fif fif;
struct acpi_fan_fps *fps;
int fps_count;
diff --git a/drivers/acpi/fan_attr.c b/drivers/acpi/fan_attr.c
index f4f6e2381f1d..22d29ac2447c 100644
--- a/drivers/acpi/fan_attr.c
+++ b/drivers/acpi/fan_attr.c
@@ -75,15 +75,6 @@ int acpi_fan_create_attributes(struct acpi_device *device)
struct acpi_fan *fan = acpi_driver_data(device);
int i, status;
- sysfs_attr_init(&fan->fine_grain_control.attr);
- fan->fine_grain_control.show = show_fine_grain_control;
- fan->fine_grain_control.store = NULL;
- fan->fine_grain_control.attr.name = "fine_grain_control";
- fan->fine_grain_control.attr.mode = 0444;
- status = sysfs_create_file(&device->dev.kobj, &fan->fine_grain_control.attr);
- if (status)
- return status;
-
/* _FST is present if we are here */
sysfs_attr_init(&fan->fst_speed.attr);
fan->fst_speed.show = show_fan_speed;
@@ -92,7 +83,19 @@ int acpi_fan_create_attributes(struct acpi_device *device)
fan->fst_speed.attr.mode = 0444;
status = sysfs_create_file(&device->dev.kobj, &fan->fst_speed.attr);
if (status)
- goto rem_fine_grain_attr;
+ return status;
+
+ if (!fan->acpi4)
+ return 0;
+
+ sysfs_attr_init(&fan->fine_grain_control.attr);
+ fan->fine_grain_control.show = show_fine_grain_control;
+ fan->fine_grain_control.store = NULL;
+ fan->fine_grain_control.attr.name = "fine_grain_control";
+ fan->fine_grain_control.attr.mode = 0444;
+ status = sysfs_create_file(&device->dev.kobj, &fan->fine_grain_control.attr);
+ if (status)
+ goto rem_fst_attr;
for (i = 0; i < fan->fps_count; ++i) {
struct acpi_fan_fps *fps = &fan->fps[i];
@@ -109,18 +112,18 @@ int acpi_fan_create_attributes(struct acpi_device *device)
for (j = 0; j < i; ++j)
sysfs_remove_file(&device->dev.kobj, &fan->fps[j].dev_attr.attr);
- goto rem_fst_attr;
+ goto rem_fine_grain_attr;
}
}
return 0;
-rem_fst_attr:
- sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);
-
rem_fine_grain_attr:
sysfs_remove_file(&device->dev.kobj, &fan->fine_grain_control.attr);
+rem_fst_attr:
+ sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);
+
return status;
}
@@ -129,9 +132,13 @@ void acpi_fan_delete_attributes(struct acpi_device *device)
struct acpi_fan *fan = acpi_driver_data(device);
int i;
+ sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);
+
+ if (!fan->acpi4)
+ return;
+
for (i = 0; i < fan->fps_count; ++i)
sysfs_remove_file(&device->dev.kobj, &fan->fps[i].dev_attr.attr);
- sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);
sysfs_remove_file(&device->dev.kobj, &fan->fine_grain_control.attr);
}
diff --git a/drivers/acpi/fan_core.c b/drivers/acpi/fan_core.c
index 10016f52f4f4..8ad12ad3aaaf 100644
--- a/drivers/acpi/fan_core.c
+++ b/drivers/acpi/fan_core.c
@@ -203,12 +203,16 @@ static const struct thermal_cooling_device_ops fan_cooling_ops = {
* --------------------------------------------------------------------------
*/
+static bool acpi_fan_has_fst(struct acpi_device *device)
+{
+ return acpi_has_method(device->handle, "_FST");
+}
+
static bool acpi_fan_is_acpi4(struct acpi_device *device)
{
return acpi_has_method(device->handle, "_FIF") &&
acpi_has_method(device->handle, "_FPS") &&
- acpi_has_method(device->handle, "_FSL") &&
- acpi_has_method(device->handle, "_FST");
+ acpi_has_method(device->handle, "_FSL");
}
static int acpi_fan_get_fif(struct acpi_device *device)
@@ -327,7 +331,12 @@ static int acpi_fan_probe(struct platform_device *pdev)
device->driver_data = fan;
platform_set_drvdata(pdev, fan);
- if (acpi_fan_is_acpi4(device)) {
+ if (acpi_fan_has_fst(device)) {
+ fan->has_fst = true;
+ fan->acpi4 = acpi_fan_is_acpi4(device);
+ }
+
+ if (fan->acpi4) {
result = acpi_fan_get_fif(device);
if (result)
return result;
@@ -335,7 +344,9 @@ static int acpi_fan_probe(struct platform_device *pdev)
result = acpi_fan_get_fps(device);
if (result)
return result;
+ }
+ if (fan->has_fst) {
result = devm_acpi_fan_create_hwmon(device);
if (result)
return result;
@@ -343,9 +354,9 @@ static int acpi_fan_probe(struct platform_device *pdev)
result = acpi_fan_create_attributes(device);
if (result)
return result;
+ }
- fan->acpi4 = true;
- } else {
+ if (!fan->acpi4) {
result = acpi_device_update_power(device, NULL);
if (result) {
dev_err(&device->dev, "Failed to set initial power state\n");
@@ -391,7 +402,7 @@ err_remove_link:
err_unregister:
thermal_cooling_device_unregister(cdev);
err_end:
- if (fan->acpi4)
+ if (fan->has_fst)
acpi_fan_delete_attributes(device);
return result;
@@ -401,7 +412,7 @@ static void acpi_fan_remove(struct platform_device *pdev)
{
struct acpi_fan *fan = platform_get_drvdata(pdev);
- if (fan->acpi4) {
+ if (fan->has_fst) {
struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
acpi_fan_delete_attributes(device);
diff --git a/drivers/acpi/fan_hwmon.c b/drivers/acpi/fan_hwmon.c
index bd0d31a398fa..e8d90605106e 100644
--- a/drivers/acpi/fan_hwmon.c
+++ b/drivers/acpi/fan_hwmon.c
@@ -43,6 +43,10 @@ static umode_t acpi_fan_hwmon_is_visible(const void *drvdata, enum hwmon_sensor_
case hwmon_fan_input:
return 0444;
case hwmon_fan_target:
+ /* Only acpi4 fans support fan control. */
+ if (!fan->acpi4)
+ return 0;
+
/*
* When in fine grain control mode, not every fan control value
* has an associated fan performance state.
@@ -57,6 +61,10 @@ static umode_t acpi_fan_hwmon_is_visible(const void *drvdata, enum hwmon_sensor_
case hwmon_power:
switch (attr) {
case hwmon_power_input:
+ /* Only acpi4 fans support fan control. */
+ if (!fan->acpi4)
+ return 0;
+
/*
* When in fine grain control mode, not every fan control value
* has an associated fan performance state.
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index 7652515a6be1..3499f86c411e 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -80,7 +80,12 @@ static struct acpi_driver acpi_hed_driver = {
.remove = acpi_hed_remove,
},
};
-module_acpi_driver(acpi_hed_driver);
+
+static int __init acpi_hed_driver_init(void)
+{
+ return acpi_bus_register_driver(&acpi_hed_driver);
+}
+subsys_initcall(acpi_hed_driver_init);
MODULE_AUTHOR("Huang Ying");
MODULE_DESCRIPTION("ACPI Hardware Error Device Driver");
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 00910ccd7eda..e2781864fdce 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -175,6 +175,12 @@ bool processor_physically_present(acpi_handle handle);
static inline void acpi_early_processor_control_setup(void) {}
#endif
+#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
+void acpi_idle_rescan_dead_smt_siblings(void);
+#else
+static inline void acpi_idle_rescan_dead_smt_siblings(void) {}
+#endif
+
/* --------------------------------------------------------------------------
Embedded Controller
-------------------------------------------------------------------------- */
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index 1687483ff319..76a856c32c4d 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -12,7 +12,7 @@
enum acpi_irq_model_id acpi_irq_model;
-static struct fwnode_handle *(*acpi_get_gsi_domain_id)(u32 gsi);
+static acpi_gsi_domain_disp_fn acpi_get_gsi_domain_id;
static u32 (*acpi_gsi_to_irq_fallback)(u32 gsi);
/**
@@ -307,12 +307,24 @@ EXPORT_SYMBOL_GPL(acpi_irq_get);
* for a given GSI
*/
void __init acpi_set_irq_model(enum acpi_irq_model_id model,
- struct fwnode_handle *(*fn)(u32))
+ acpi_gsi_domain_disp_fn fn)
{
acpi_irq_model = model;
acpi_get_gsi_domain_id = fn;
}
+/*
+ * acpi_get_gsi_dispatcher() - Get the GSI dispatcher function
+ *
+ * Return the dispatcher function that computes the domain fwnode for
+ * a given GSI.
+ */
+acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void)
+{
+ return acpi_get_gsi_domain_id;
+}
+EXPORT_SYMBOL_GPL(acpi_get_gsi_dispatcher);
+
/**
* acpi_set_gsi_to_irq_fallback - Register a GSI transfer
* callback to fallback to arch specified implementation.
diff --git a/drivers/acpi/mipi-disco-img.c b/drivers/acpi/mipi-disco-img.c
index 92b658f92dc0..5b85989f96be 100644
--- a/drivers/acpi/mipi-disco-img.c
+++ b/drivers/acpi/mipi-disco-img.c
@@ -624,8 +624,7 @@ static void init_crs_csi2_swnodes(struct crs_csi2 *csi2)
if (!fwnode_property_present(adev_fwnode, "rotation")) {
struct acpi_pld_info *pld;
- status = acpi_get_physical_device_location(handle, &pld);
- if (ACPI_SUCCESS(status)) {
+ if (acpi_get_physical_device_location(handle, &pld)) {
swnodes->dev_props[NEXT_PROPERTY(prop_index, DEV_ROTATION)] =
PROPERTY_ENTRY_U32("rotation",
pld->rotation * 45U);
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index a5d47819b3a4..ae035b93da08 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -485,7 +485,7 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
cmd_mask = nd_desc->cmd_mask;
if (cmd == ND_CMD_CALL && call_pkg->nd_family) {
family = call_pkg->nd_family;
- if (family > NVDIMM_BUS_FAMILY_MAX ||
+ if (call_pkg->nd_family > NVDIMM_BUS_FAMILY_MAX ||
!test_bit(family, &nd_desc->bus_family_mask))
return -EINVAL;
family = array_index_nospec(family,
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 80a3481c0470..9d9052258e92 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -108,6 +108,45 @@ static struct memory_target *find_mem_target(unsigned int mem_pxm)
return NULL;
}
+/**
+ * hmat_get_extended_linear_cache_size - Retrieve the extended linear cache size
+ * @backing_res: resource from the backing media
+ * @nid: node id for the memory region
+ * @cache_size: (Output) size of extended linear cache.
+ *
+ * Return: 0 on success. Errno on failure.
+ *
+ */
+int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
+ resource_size_t *cache_size)
+{
+ unsigned int pxm = node_to_pxm(nid);
+ struct memory_target *target;
+ struct target_cache *tcache;
+ struct resource *res;
+
+ target = find_mem_target(pxm);
+ if (!target)
+ return -ENOENT;
+
+ list_for_each_entry(tcache, &target->caches, node) {
+ if (tcache->cache_attrs.address_mode !=
+ NODE_CACHE_ADDR_MODE_EXTENDED_LINEAR)
+ continue;
+
+ res = &target->memregions;
+ if (!resource_contains(res, backing_res))
+ continue;
+
+ *cache_size = tcache->cache_attrs.size;
+ return 0;
+ }
+
+ *cache_size = 0;
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(hmat_get_extended_linear_cache_size, "CXL");
+
static struct memory_target *acpi_find_genport_target(u32 uid)
{
struct memory_target *target;
@@ -442,9 +481,9 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
return -EINVAL;
}
- pr_info("Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n",
- hmat_loc->flags, hmat_data_type(type), ipds, tpds,
- hmat_loc->entry_base_unit);
+ pr_debug("Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n",
+ hmat_loc->flags, hmat_data_type(type), ipds, tpds,
+ hmat_loc->entry_base_unit);
inits = (u32 *)(hmat_loc + 1);
targs = inits + ipds;
@@ -455,9 +494,9 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header,
value = hmat_normalize(entries[init * tpds + targ],
hmat_loc->entry_base_unit,
type);
- pr_info(" Initiator-Target[%u-%u]:%u%s\n",
- inits[init], targs[targ], value,
- hmat_data_type_suffix(type));
+ pr_debug(" Initiator-Target[%u-%u]:%u%s\n",
+ inits[init], targs[targ], value,
+ hmat_data_type_suffix(type));
hmat_update_target(targs[targ], inits[init],
mem_hier, type, value);
@@ -485,9 +524,9 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header,
}
attrs = cache->cache_attributes;
- pr_info("Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n",
- cache->memory_PD, cache->cache_size, attrs,
- cache->number_of_SMBIOShandles);
+ pr_debug("Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n",
+ cache->memory_PD, cache->cache_size, attrs,
+ cache->number_of_SMBIOShandles);
target = find_mem_target(cache->memory_PD);
if (!target)
@@ -506,6 +545,11 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header,
switch ((attrs & ACPI_HMAT_CACHE_ASSOCIATIVITY) >> 8) {
case ACPI_HMAT_CA_DIRECT_MAPPED:
tcache->cache_attrs.indexing = NODE_CACHE_DIRECT_MAP;
+ /* Extended Linear mode is only valid if cache is direct mapped */
+ if (cache->address_mode == ACPI_HMAT_CACHE_MODE_EXTENDED_LINEAR) {
+ tcache->cache_attrs.address_mode =
+ NODE_CACHE_ADDR_MODE_EXTENDED_LINEAR;
+ }
break;
case ACPI_HMAT_CA_COMPLEX_CACHE_INDEXING:
tcache->cache_attrs.indexing = NODE_CACHE_INDEXED;
@@ -546,9 +590,9 @@ static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *heade
}
if (hmat_revision == 1)
- pr_info("Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n",
- p->reserved3, p->reserved4, p->flags, p->processor_PD,
- p->memory_PD);
+ pr_debug("Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n",
+ p->reserved3, p->reserved4, p->flags, p->processor_PD,
+ p->memory_PD);
else
pr_info("Memory Flags:%04x Processor Domain:%u Memory Domain:%u\n",
p->flags, p->processor_PD, p->memory_PD);
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index bec0dcd1f9c3..53816dfab645 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -14,10 +14,12 @@
#include <linux/errno.h>
#include <linux/acpi.h>
#include <linux/memblock.h>
+#include <linux/memory.h>
#include <linux/numa.h>
#include <linux/nodemask.h>
#include <linux/topology.h>
#include <linux/numa_memblks.h>
+#include <linux/string_choices.h>
static nodemask_t nodes_found_map = NODE_MASK_NONE;
@@ -51,6 +53,7 @@ int node_to_pxm(int node)
return PXM_INVAL;
return node_to_pxm_map[node];
}
+EXPORT_SYMBOL_GPL(node_to_pxm);
static void __acpi_map_pxm_to_node(int pxm, int node)
{
@@ -81,6 +84,101 @@ int acpi_map_pxm_to_node(int pxm)
}
EXPORT_SYMBOL(acpi_map_pxm_to_node);
+#ifdef CONFIG_NUMA_EMU
+/*
+ * Take max_nid - 1 fake-numa nodes into account in both
+ * pxm_to_node_map()/node_to_pxm_map[] tables.
+ */
+int __init fix_pxm_node_maps(int max_nid)
+{
+ static int pxm_to_node_map_copy[MAX_PXM_DOMAINS] __initdata
+ = { [0 ... MAX_PXM_DOMAINS - 1] = NUMA_NO_NODE };
+ static int node_to_pxm_map_copy[MAX_NUMNODES] __initdata
+ = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
+ int i, j, index = -1, count = 0;
+ nodemask_t nodes_to_enable;
+
+ if (numa_off)
+ return -1;
+
+ /* no or incomplete node/PXM mapping set, nothing to do */
+ if (srat_disabled())
+ return 0;
+
+ /* find fake nodes PXM mapping */
+ for (i = 0; i < MAX_NUMNODES; i++) {
+ if (node_to_pxm_map[i] != PXM_INVAL) {
+ for (j = 0; j <= max_nid; j++) {
+ if ((emu_nid_to_phys[j] == i) &&
+ WARN(node_to_pxm_map_copy[j] != PXM_INVAL,
+ "Node %d is already binded to PXM %d\n",
+ j, node_to_pxm_map_copy[j]))
+ return -1;
+ if (emu_nid_to_phys[j] == i) {
+ node_to_pxm_map_copy[j] =
+ node_to_pxm_map[i];
+ if (j > index)
+ index = j;
+ count++;
+ }
+ }
+ }
+ }
+ if (index == -1) {
+ pr_debug("No node/PXM mapping has been set\n");
+ /* nothing more to be done */
+ return 0;
+ }
+ if (WARN(index != max_nid, "%d max nid when expected %d\n",
+ index, max_nid))
+ return -1;
+
+ nodes_clear(nodes_to_enable);
+
+ /* map phys nodes not used for fake nodes */
+ for (i = 0; i < MAX_NUMNODES; i++) {
+ if (node_to_pxm_map[i] != PXM_INVAL) {
+ for (j = 0; j <= max_nid; j++)
+ if (emu_nid_to_phys[j] == i)
+ break;
+ /* fake nodes PXM mapping has been done */
+ if (j <= max_nid)
+ continue;
+ /* find first hole */
+ for (j = 0;
+ j < MAX_NUMNODES &&
+ node_to_pxm_map_copy[j] != PXM_INVAL;
+ j++)
+ ;
+ if (WARN(j == MAX_NUMNODES,
+ "Number of nodes exceeds MAX_NUMNODES\n"))
+ return -1;
+ node_to_pxm_map_copy[j] = node_to_pxm_map[i];
+ node_set(j, nodes_to_enable);
+ count++;
+ }
+ }
+
+ /* creating reverse mapping in pxm_to_node_map[] */
+ for (i = 0; i < MAX_NUMNODES; i++)
+ if (node_to_pxm_map_copy[i] != PXM_INVAL &&
+ pxm_to_node_map_copy[node_to_pxm_map_copy[i]] == NUMA_NO_NODE)
+ pxm_to_node_map_copy[node_to_pxm_map_copy[i]] = i;
+
+ /* overwrite with new mapping */
+ for (i = 0; i < MAX_NUMNODES; i++) {
+ node_to_pxm_map[i] = node_to_pxm_map_copy[i];
+ pxm_to_node_map[i] = pxm_to_node_map_copy[i];
+ }
+
+ /* enable other nodes found in PXM for hotplug */
+ nodes_or(numa_nodes_parsed, nodes_to_enable, numa_nodes_parsed);
+
+ pr_debug("found %d total number of nodes\n", count);
+ return 0;
+}
+#endif
+
static void __init
acpi_table_print_srat_entry(struct acpi_subtable_header *header)
{
@@ -92,8 +190,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
pr_debug("SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n",
p->apic_id, p->local_sapic_eid,
p->proximity_domain_lo,
- (p->flags & ACPI_SRAT_CPU_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_CPU_ENABLED));
}
break;
@@ -105,8 +202,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
(unsigned long long)p->base_address,
(unsigned long long)p->length,
p->proximity_domain,
- (p->flags & ACPI_SRAT_MEM_ENABLED) ?
- "enabled" : "disabled",
+ str_enabled_disabled(p->flags & ACPI_SRAT_MEM_ENABLED),
(p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
" hot-pluggable" : "",
(p->flags & ACPI_SRAT_MEM_NON_VOLATILE) ?
@@ -121,8 +217,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
pr_debug("SRAT Processor (x2apicid[0x%08x]) in proximity domain %d %s\n",
p->apic_id,
p->proximity_domain,
- (p->flags & ACPI_SRAT_CPU_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_CPU_ENABLED));
}
break;
@@ -133,8 +228,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
pr_debug("SRAT Processor (acpi id[0x%04x]) in proximity domain %d %s\n",
p->acpi_processor_uid,
p->proximity_domain,
- (p->flags & ACPI_SRAT_GICC_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_GICC_ENABLED));
}
break;
@@ -152,8 +246,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
*(u16 *)(&p->device_handle[0]),
*(u16 *)(&p->device_handle[2]),
p->proximity_domain,
- (p->flags & ACPI_SRAT_GENERIC_AFFINITY_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_GENERIC_AFFINITY_ENABLED));
} else {
/*
* In this case we can rely on the device having a
@@ -163,8 +256,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
(char *)(&p->device_handle[0]),
(char *)(&p->device_handle[8]),
p->proximity_domain,
- (p->flags & ACPI_SRAT_GENERIC_AFFINITY_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_GENERIC_AFFINITY_ENABLED));
}
}
break;
@@ -176,8 +268,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
pr_debug("SRAT Processor (acpi id[0x%04x]) in proximity domain %d %s\n",
p->acpi_processor_uid,
p->proximity_domain,
- (p->flags & ACPI_SRAT_RINTC_ENABLED) ?
- "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_SRAT_RINTC_ENABLED));
}
break;
@@ -339,13 +430,23 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
{
struct acpi_cedt_cfmws *cfmws;
int *fake_pxm = arg;
- u64 start, end;
+ u64 start, end, align;
int node;
+ int err;
cfmws = (struct acpi_cedt_cfmws *)header;
start = cfmws->base_hpa;
end = cfmws->base_hpa + cfmws->window_size;
+ /* Align memblock size to CFMW regions if possible */
+ align = 1UL << __ffs(start | end);
+ if (align >= SZ_256M) {
+ err = memory_block_advise_max_size(align);
+ if (err)
+ pr_warn("CFMWS: memblock size advise failed (%d)\n", err);
+ } else
+ pr_err("CFMWS: [BIOS BUG] base/size alignment violates spec\n");
+
/*
* The SRAT may have already described NUMA details for all,
* or a portion of, this CFMWS HPA range. Extend the memblks
@@ -363,7 +464,7 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
return -EINVAL;
}
- if (numa_add_memblk(node, start, end) < 0) {
+ if (numa_add_reserved_memblk(node, start, end) < 0) {
/* CXL driver must handle the NUMA_NO_NODE case */
pr_warn("ACPI NUMA: Failed to add memblk for CFMWS node %d [mem %#llx-%#llx]\n",
node, start, end);
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c
index df9328c850bd..f2c943b934be 100644
--- a/drivers/acpi/osi.c
+++ b/drivers/acpi/osi.c
@@ -42,7 +42,6 @@ static struct acpi_osi_entry
osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {
{"Module Device", true},
{"Processor Device", true},
- {"3.0 _SCP Extensions", true},
{"Processor Aggregator Device", true},
};
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index fed446aace42..5ff343096ece 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -607,7 +607,27 @@ acpi_status acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler handler)
void acpi_os_sleep(u64 ms)
{
- msleep(ms);
+ u64 usec = ms * USEC_PER_MSEC, delta_us = 50;
+
+ /*
+ * Use a hrtimer because the timer wheel timers are optimized for
+ * cancelation before they expire and this timer is not going to be
+ * canceled.
+ *
+ * Set the delta between the requested sleep time and the effective
+ * deadline to at least 50 us in case there is an opportunity for timer
+ * coalescing.
+ *
+ * Moreover, longer sleeps can be assumed to need somewhat less timer
+ * precision, so sacrifice some of it for making the timer a more likely
+ * candidate for coalescing by setting the delta to 1% of the sleep time
+ * if it is above 5 ms (this value is chosen so that the delta is a
+ * continuous function of the sleep time).
+ */
+ if (ms > 5)
+ delta_us = (USEC_PER_MSEC / 100) * ms;
+
+ usleep_range(usec, usec + delta_us);
}
void acpi_os_stall(u32 us)
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index d0b6a024daae..74ade4160314 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -858,7 +858,7 @@ next:
}
}
-static void acpi_pci_root_remap_iospace(struct fwnode_handle *fwnode,
+static void acpi_pci_root_remap_iospace(const struct fwnode_handle *fwnode,
struct resource_entry *entry)
{
#ifdef PCI_IOBASE
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index d2f7fd7743a1..b43f4459a4f6 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -2,16 +2,34 @@
/* Platform profile sysfs interface */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/acpi.h>
#include <linux/bits.h>
+#include <linux/cleanup.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/platform_profile.h>
#include <linux/sysfs.h>
-static struct platform_profile_handler *cur_profile;
+#define to_pprof_handler(d) (container_of(d, struct platform_profile_handler, dev))
+
static DEFINE_MUTEX(profile_lock);
+struct platform_profile_handler {
+ const char *name;
+ struct device dev;
+ int minor;
+ unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
+ unsigned long hidden_choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
+ const struct platform_profile_ops *ops;
+};
+
+struct aggregate_choices_data {
+ unsigned long aggregate[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
+ int count;
+};
+
static const char * const profile_names[] = {
[PLATFORM_PROFILE_LOW_POWER] = "low-power",
[PLATFORM_PROFILE_COOL] = "cool",
@@ -19,203 +37,679 @@ static const char * const profile_names[] = {
[PLATFORM_PROFILE_BALANCED] = "balanced",
[PLATFORM_PROFILE_BALANCED_PERFORMANCE] = "balanced-performance",
[PLATFORM_PROFILE_PERFORMANCE] = "performance",
+ [PLATFORM_PROFILE_CUSTOM] = "custom",
};
static_assert(ARRAY_SIZE(profile_names) == PLATFORM_PROFILE_LAST);
-static ssize_t platform_profile_choices_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- int len = 0;
- int err, i;
-
- err = mutex_lock_interruptible(&profile_lock);
- if (err)
- return err;
+static DEFINE_IDA(platform_profile_ida);
- if (!cur_profile) {
- mutex_unlock(&profile_lock);
- return -ENODEV;
- }
+/**
+ * _commmon_choices_show - Show the available profile choices
+ * @choices: The available profile choices
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t _commmon_choices_show(unsigned long *choices, char *buf)
+{
+ int i, len = 0;
- for_each_set_bit(i, cur_profile->choices, PLATFORM_PROFILE_LAST) {
+ for_each_set_bit(i, choices, PLATFORM_PROFILE_LAST) {
if (len == 0)
len += sysfs_emit_at(buf, len, "%s", profile_names[i]);
else
len += sysfs_emit_at(buf, len, " %s", profile_names[i]);
}
len += sysfs_emit_at(buf, len, "\n");
- mutex_unlock(&profile_lock);
+
return len;
}
-static ssize_t platform_profile_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+/**
+ * _store_class_profile - Set the profile for a class device
+ * @dev: The class device
+ * @data: The profile to set
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _store_class_profile(struct device *dev, void *data)
+{
+ struct platform_profile_handler *handler;
+ int *bit = (int *)data;
+
+ lockdep_assert_held(&profile_lock);
+ handler = to_pprof_handler(dev);
+ if (!test_bit(*bit, handler->choices) && !test_bit(*bit, handler->hidden_choices))
+ return -EOPNOTSUPP;
+
+ return handler->ops->profile_set(dev, *bit);
+}
+
+/**
+ * _notify_class_profile - Notify the class device of a profile change
+ * @dev: The class device
+ * @data: Unused
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _notify_class_profile(struct device *dev, void *data)
+{
+ struct platform_profile_handler *handler = to_pprof_handler(dev);
+
+ lockdep_assert_held(&profile_lock);
+ sysfs_notify(&handler->dev.kobj, NULL, "profile");
+ kobject_uevent(&handler->dev.kobj, KOBJ_CHANGE);
+
+ return 0;
+}
+
+/**
+ * get_class_profile - Show the current profile for a class device
+ * @dev: The class device
+ * @profile: The profile to return
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int get_class_profile(struct device *dev,
+ enum platform_profile_option *profile)
{
- enum platform_profile_option profile = PLATFORM_PROFILE_BALANCED;
+ struct platform_profile_handler *handler;
+ enum platform_profile_option val;
int err;
- err = mutex_lock_interruptible(&profile_lock);
- if (err)
+ lockdep_assert_held(&profile_lock);
+ handler = to_pprof_handler(dev);
+ err = handler->ops->profile_get(dev, &val);
+ if (err) {
+ pr_err("Failed to get profile for handler %s\n", handler->name);
return err;
+ }
+
+ if (WARN_ON(val >= PLATFORM_PROFILE_LAST))
+ return -EINVAL;
+ *profile = val;
+
+ return 0;
+}
+
+/**
+ * name_show - Show the name of the profile handler
+ * @dev: The device
+ * @attr: The attribute
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct platform_profile_handler *handler = to_pprof_handler(dev);
+
+ return sysfs_emit(buf, "%s\n", handler->name);
+}
+static DEVICE_ATTR_RO(name);
+
+/**
+ * choices_show - Show the available profile choices
+ * @dev: The device
+ * @attr: The attribute
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t choices_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_profile_handler *handler = to_pprof_handler(dev);
+
+ return _commmon_choices_show(handler->choices, buf);
+}
+static DEVICE_ATTR_RO(choices);
+
+/**
+ * profile_show - Show the current profile for a class device
+ * @dev: The device
+ * @attr: The attribute
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t profile_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ enum platform_profile_option profile = PLATFORM_PROFILE_LAST;
+ int err;
- if (!cur_profile) {
- mutex_unlock(&profile_lock);
- return -ENODEV;
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ err = get_class_profile(dev, &profile);
+ if (err)
+ return err;
}
- err = cur_profile->profile_get(cur_profile, &profile);
- mutex_unlock(&profile_lock);
+ return sysfs_emit(buf, "%s\n", profile_names[profile]);
+}
+
+/**
+ * profile_store - Set the profile for a class device
+ * @dev: The device
+ * @attr: The attribute
+ * @buf: The buffer to read from
+ * @count: The number of bytes to read
+ *
+ * Return: The number of bytes read
+ */
+static ssize_t profile_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int index, ret;
+
+ index = sysfs_match_string(profile_names, buf);
+ if (index < 0)
+ return -EINVAL;
+
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ ret = _store_class_profile(dev, &index);
+ if (ret)
+ return ret;
+ }
+
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
+ return count;
+}
+static DEVICE_ATTR_RW(profile);
+
+static struct attribute *profile_attrs[] = {
+ &dev_attr_name.attr,
+ &dev_attr_choices.attr,
+ &dev_attr_profile.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(profile);
+
+static void pprof_device_release(struct device *dev)
+{
+ struct platform_profile_handler *pprof = to_pprof_handler(dev);
+
+ kfree(pprof);
+}
+
+static const struct class platform_profile_class = {
+ .name = "platform-profile",
+ .dev_groups = profile_groups,
+ .dev_release = pprof_device_release,
+};
+
+/**
+ * _aggregate_choices - Aggregate the available profile choices
+ * @dev: The device
+ * @arg: struct aggregate_choices_data, with it's aggregate member bitmap
+ * initially filled with ones
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _aggregate_choices(struct device *dev, void *arg)
+{
+ unsigned long tmp[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
+ struct aggregate_choices_data *data = arg;
+ struct platform_profile_handler *handler;
+
+ lockdep_assert_held(&profile_lock);
+
+ handler = to_pprof_handler(dev);
+ bitmap_or(tmp, handler->choices, handler->hidden_choices, PLATFORM_PROFILE_LAST);
+ bitmap_and(data->aggregate, tmp, data->aggregate, PLATFORM_PROFILE_LAST);
+ data->count++;
+
+ return 0;
+}
+
+/**
+ * _remove_hidden_choices - Remove hidden choices from aggregate data
+ * @dev: The device
+ * @arg: struct aggregate_choices_data
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _remove_hidden_choices(struct device *dev, void *arg)
+{
+ struct aggregate_choices_data *data = arg;
+ struct platform_profile_handler *handler;
+
+ lockdep_assert_held(&profile_lock);
+ handler = to_pprof_handler(dev);
+ bitmap_andnot(data->aggregate, handler->choices,
+ handler->hidden_choices, PLATFORM_PROFILE_LAST);
+
+ return 0;
+}
+
+/**
+ * platform_profile_choices_show - Show the available profile choices for legacy sysfs interface
+ * @kobj: The kobject
+ * @attr: The attribute
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t platform_profile_choices_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ struct aggregate_choices_data data = {
+ .aggregate = { [0 ... BITS_TO_LONGS(PLATFORM_PROFILE_LAST) - 1] = ~0UL },
+ .count = 0,
+ };
+ int err;
+
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ err = class_for_each_device(&platform_profile_class, NULL,
+ &data, _aggregate_choices);
+ if (err)
+ return err;
+ if (data.count == 1) {
+ err = class_for_each_device(&platform_profile_class, NULL,
+ &data, _remove_hidden_choices);
+ if (err)
+ return err;
+ }
+ }
+
+ /* no profile handler registered any more */
+ if (bitmap_empty(data.aggregate, PLATFORM_PROFILE_LAST))
+ return -EINVAL;
+
+ return _commmon_choices_show(data.aggregate, buf);
+}
+
+/**
+ * _aggregate_profiles - Aggregate the profiles for legacy sysfs interface
+ * @dev: The device
+ * @data: The profile to return
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _aggregate_profiles(struct device *dev, void *data)
+{
+ enum platform_profile_option *profile = data;
+ enum platform_profile_option val;
+ int err;
+
+ err = get_class_profile(dev, &val);
if (err)
return err;
- /* Check that profile is valid index */
- if (WARN_ON((profile < 0) || (profile >= ARRAY_SIZE(profile_names))))
- return -EIO;
+ if (*profile != PLATFORM_PROFILE_LAST && *profile != val)
+ *profile = PLATFORM_PROFILE_CUSTOM;
+ else
+ *profile = val;
- return sysfs_emit(buf, "%s\n", profile_names[profile]);
+ return 0;
}
-static ssize_t platform_profile_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+/**
+ * _store_and_notify - Store and notify a class from legacy sysfs interface
+ * @dev: The device
+ * @data: The profile to return
+ *
+ * Return: 0 on success, -errno on failure
+ */
+static int _store_and_notify(struct device *dev, void *data)
{
- int err, i;
+ enum platform_profile_option *profile = data;
+ int err;
- err = mutex_lock_interruptible(&profile_lock);
+ err = _store_class_profile(dev, profile);
if (err)
return err;
+ return _notify_class_profile(dev, NULL);
+}
+
+/**
+ * platform_profile_show - Show the current profile for legacy sysfs interface
+ * @kobj: The kobject
+ * @attr: The attribute
+ * @buf: The buffer to write to
+ *
+ * Return: The number of bytes written
+ */
+static ssize_t platform_profile_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ enum platform_profile_option profile = PLATFORM_PROFILE_LAST;
+ int err;
- if (!cur_profile) {
- mutex_unlock(&profile_lock);
- return -ENODEV;
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ err = class_for_each_device(&platform_profile_class, NULL,
+ &profile, _aggregate_profiles);
+ if (err)
+ return err;
}
+ /* no profile handler registered any more */
+ if (profile == PLATFORM_PROFILE_LAST)
+ return -EINVAL;
+
+ return sysfs_emit(buf, "%s\n", profile_names[profile]);
+}
+
+/**
+ * platform_profile_store - Set the profile for legacy sysfs interface
+ * @kobj: The kobject
+ * @attr: The attribute
+ * @buf: The buffer to read from
+ * @count: The number of bytes to read
+ *
+ * Return: The number of bytes read
+ */
+static ssize_t platform_profile_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct aggregate_choices_data data = {
+ .aggregate = { [0 ... BITS_TO_LONGS(PLATFORM_PROFILE_LAST) - 1] = ~0UL },
+ .count = 0,
+ };
+ int ret;
+ int i;
+
/* Scan for a matching profile */
i = sysfs_match_string(profile_names, buf);
- if (i < 0) {
- mutex_unlock(&profile_lock);
+ if (i < 0 || i == PLATFORM_PROFILE_CUSTOM)
return -EINVAL;
- }
- /* Check that platform supports this profile choice */
- if (!test_bit(i, cur_profile->choices)) {
- mutex_unlock(&profile_lock);
- return -EOPNOTSUPP;
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ ret = class_for_each_device(&platform_profile_class, NULL,
+ &data, _aggregate_choices);
+ if (ret)
+ return ret;
+ if (!test_bit(i, data.aggregate))
+ return -EOPNOTSUPP;
+
+ ret = class_for_each_device(&platform_profile_class, NULL, &i,
+ _store_and_notify);
+ if (ret)
+ return ret;
}
- err = cur_profile->profile_set(cur_profile, i);
- if (!err)
- sysfs_notify(acpi_kobj, NULL, "platform_profile");
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
- mutex_unlock(&profile_lock);
- if (err)
- return err;
return count;
}
-static DEVICE_ATTR_RO(platform_profile_choices);
-static DEVICE_ATTR_RW(platform_profile);
+static struct kobj_attribute attr_platform_profile_choices = __ATTR_RO(platform_profile_choices);
+static struct kobj_attribute attr_platform_profile = __ATTR_RW(platform_profile);
static struct attribute *platform_profile_attrs[] = {
- &dev_attr_platform_profile_choices.attr,
- &dev_attr_platform_profile.attr,
+ &attr_platform_profile_choices.attr,
+ &attr_platform_profile.attr,
NULL
};
+static int profile_class_registered(struct device *dev, const void *data)
+{
+ return 1;
+}
+
+static umode_t profile_class_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
+{
+ struct device *dev;
+
+ dev = class_find_device(&platform_profile_class, NULL, NULL, profile_class_registered);
+ if (!dev)
+ return 0;
+
+ put_device(dev);
+
+ return attr->mode;
+}
+
static const struct attribute_group platform_profile_group = {
- .attrs = platform_profile_attrs
+ .attrs = platform_profile_attrs,
+ .is_visible = profile_class_is_visible,
};
-void platform_profile_notify(void)
+/**
+ * platform_profile_notify - Notify class device and legacy sysfs interface
+ * @dev: The class device
+ */
+void platform_profile_notify(struct device *dev)
{
- if (!cur_profile)
- return;
+ scoped_cond_guard(mutex_intr, return, &profile_lock) {
+ _notify_class_profile(dev, NULL);
+ }
sysfs_notify(acpi_kobj, NULL, "platform_profile");
}
EXPORT_SYMBOL_GPL(platform_profile_notify);
+/**
+ * platform_profile_cycle - Cycles profiles available on all registered class devices
+ *
+ * Return: 0 on success, -errno on failure
+ */
int platform_profile_cycle(void)
{
- enum platform_profile_option profile;
- enum platform_profile_option next;
+ struct aggregate_choices_data data = {
+ .aggregate = { [0 ... BITS_TO_LONGS(PLATFORM_PROFILE_LAST) - 1] = ~0UL },
+ .count = 0,
+ };
+ enum platform_profile_option next = PLATFORM_PROFILE_LAST;
+ enum platform_profile_option profile = PLATFORM_PROFILE_LAST;
int err;
- err = mutex_lock_interruptible(&profile_lock);
- if (err)
- return err;
+ scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) {
+ err = class_for_each_device(&platform_profile_class, NULL,
+ &profile, _aggregate_profiles);
+ if (err)
+ return err;
- if (!cur_profile) {
- mutex_unlock(&profile_lock);
- return -ENODEV;
- }
+ if (profile == PLATFORM_PROFILE_CUSTOM ||
+ profile == PLATFORM_PROFILE_LAST)
+ return -EINVAL;
- err = cur_profile->profile_get(cur_profile, &profile);
- if (err) {
- mutex_unlock(&profile_lock);
- return err;
- }
+ err = class_for_each_device(&platform_profile_class, NULL,
+ &data, _aggregate_choices);
+ if (err)
+ return err;
- next = find_next_bit_wrap(cur_profile->choices, PLATFORM_PROFILE_LAST,
- profile + 1);
+ /* never iterate into a custom if all drivers supported it */
+ clear_bit(PLATFORM_PROFILE_CUSTOM, data.aggregate);
- if (WARN_ON(next == PLATFORM_PROFILE_LAST)) {
- mutex_unlock(&profile_lock);
- return -EINVAL;
- }
+ next = find_next_bit_wrap(data.aggregate,
+ PLATFORM_PROFILE_LAST,
+ profile + 1);
- err = cur_profile->profile_set(cur_profile, next);
- mutex_unlock(&profile_lock);
+ err = class_for_each_device(&platform_profile_class, NULL, &next,
+ _store_and_notify);
- if (!err)
- sysfs_notify(acpi_kobj, NULL, "platform_profile");
+ if (err)
+ return err;
+ }
- return err;
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
+ return 0;
}
EXPORT_SYMBOL_GPL(platform_profile_cycle);
-int platform_profile_register(struct platform_profile_handler *pprof)
+/**
+ * platform_profile_register - Creates and registers a platform profile class device
+ * @dev: Parent device
+ * @name: Name of the class device
+ * @drvdata: Driver data that will be attached to the class device
+ * @ops: Platform profile's mandatory operations
+ *
+ * Return: pointer to the new class device on success, ERR_PTR on failure
+ */
+struct device *platform_profile_register(struct device *dev, const char *name,
+ void *drvdata,
+ const struct platform_profile_ops *ops)
{
+ struct device *ppdev;
+ int minor;
int err;
- mutex_lock(&profile_lock);
- /* We can only have one active profile */
- if (cur_profile) {
- mutex_unlock(&profile_lock);
- return -EEXIST;
+ /* Sanity check */
+ if (WARN_ON_ONCE(!dev || !name || !ops || !ops->profile_get ||
+ !ops->profile_set || !ops->probe))
+ return ERR_PTR(-EINVAL);
+
+ struct platform_profile_handler *pprof __free(kfree) = kzalloc(
+ sizeof(*pprof), GFP_KERNEL);
+ if (!pprof)
+ return ERR_PTR(-ENOMEM);
+
+ err = ops->probe(drvdata, pprof->choices);
+ if (err) {
+ dev_err(dev, "platform_profile probe failed\n");
+ return ERR_PTR(err);
}
- /* Sanity check the profile handler field are set */
- if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) ||
- !pprof->profile_set || !pprof->profile_get) {
- mutex_unlock(&profile_lock);
- return -EINVAL;
+ if (bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST)) {
+ dev_err(dev, "Failed to register platform_profile class device with empty choices\n");
+ return ERR_PTR(-EINVAL);
}
- err = sysfs_create_group(acpi_kobj, &platform_profile_group);
+ if (ops->hidden_choices) {
+ err = ops->hidden_choices(drvdata, pprof->hidden_choices);
+ if (err) {
+ dev_err(dev, "platform_profile hidden_choices failed\n");
+ return ERR_PTR(err);
+ }
+ }
+
+ guard(mutex)(&profile_lock);
+
+ /* create class interface for individual handler */
+ minor = ida_alloc(&platform_profile_ida, GFP_KERNEL);
+ if (minor < 0)
+ return ERR_PTR(minor);
+
+ pprof->name = name;
+ pprof->ops = ops;
+ pprof->minor = minor;
+ pprof->dev.class = &platform_profile_class;
+ pprof->dev.parent = dev;
+ dev_set_drvdata(&pprof->dev, drvdata);
+ dev_set_name(&pprof->dev, "platform-profile-%d", pprof->minor);
+ /* device_register() takes ownership of pprof/ppdev */
+ ppdev = &no_free_ptr(pprof)->dev;
+ err = device_register(ppdev);
if (err) {
- mutex_unlock(&profile_lock);
- return err;
+ put_device(ppdev);
+ goto cleanup_ida;
}
- cur_profile = pprof;
- mutex_unlock(&profile_lock);
- return 0;
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
+ err = sysfs_update_group(acpi_kobj, &platform_profile_group);
+ if (err)
+ goto cleanup_cur;
+
+ return ppdev;
+
+cleanup_cur:
+ device_unregister(ppdev);
+
+cleanup_ida:
+ ida_free(&platform_profile_ida, minor);
+
+ return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(platform_profile_register);
-int platform_profile_remove(void)
+/**
+ * platform_profile_remove - Unregisters a platform profile class device
+ * @dev: Class device
+ */
+void platform_profile_remove(struct device *dev)
{
- sysfs_remove_group(acpi_kobj, &platform_profile_group);
+ struct platform_profile_handler *pprof;
- mutex_lock(&profile_lock);
- cur_profile = NULL;
- mutex_unlock(&profile_lock);
- return 0;
+ if (IS_ERR_OR_NULL(dev))
+ return;
+
+ pprof = to_pprof_handler(dev);
+
+ guard(mutex)(&profile_lock);
+
+ ida_free(&platform_profile_ida, pprof->minor);
+ device_unregister(&pprof->dev);
+
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+ sysfs_update_group(acpi_kobj, &platform_profile_group);
}
EXPORT_SYMBOL_GPL(platform_profile_remove);
+static void devm_platform_profile_release(struct device *dev, void *res)
+{
+ struct device **ppdev = res;
+
+ platform_profile_remove(*ppdev);
+}
+
+/**
+ * devm_platform_profile_register - Device managed version of platform_profile_register
+ * @dev: Parent device
+ * @name: Name of the class device
+ * @drvdata: Driver data that will be attached to the class device
+ * @ops: Platform profile's mandatory operations
+ *
+ * Return: pointer to the new class device on success, ERR_PTR on failure
+ */
+struct device *devm_platform_profile_register(struct device *dev, const char *name,
+ void *drvdata,
+ const struct platform_profile_ops *ops)
+{
+ struct device *ppdev;
+ struct device **dr;
+
+ dr = devres_alloc(devm_platform_profile_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return ERR_PTR(-ENOMEM);
+
+ ppdev = platform_profile_register(dev, name, drvdata, ops);
+ if (IS_ERR(ppdev)) {
+ devres_free(dr);
+ return ppdev;
+ }
+
+ *dr = ppdev;
+ devres_add(dev, dr);
+
+ return ppdev;
+}
+EXPORT_SYMBOL_GPL(devm_platform_profile_register);
+
+static int __init platform_profile_init(void)
+{
+ int err;
+
+ if (acpi_disabled)
+ return -EOPNOTSUPP;
+
+ err = class_register(&platform_profile_class);
+ if (err)
+ return err;
+
+ err = sysfs_create_group(acpi_kobj, &platform_profile_group);
+ if (err)
+ class_unregister(&platform_profile_class);
+
+ return err;
+}
+
+static void __exit platform_profile_exit(void)
+{
+ sysfs_remove_group(acpi_kobj, &platform_profile_group);
+ class_unregister(&platform_profile_class);
+}
+module_init(platform_profile_init);
+module_exit(platform_profile_exit);
+
MODULE_AUTHOR("Mark Pearson <markpearson@lenovo.com>");
MODULE_DESCRIPTION("ACPI platform profile sysfs interface");
MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 25174c24d3d7..b7243d7563b1 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -29,6 +29,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/pm_runtime.h>
#include <linux/sysfs.h>
#include <linux/acpi.h>
@@ -197,7 +198,7 @@ static int __get_state(acpi_handle handle, u8 *state)
cur_state = sta & ACPI_POWER_RESOURCE_STATE_ON;
acpi_handle_debug(handle, "Power resource is %s\n",
- cur_state ? "on" : "off");
+ str_on_off(cur_state));
*state = cur_state;
return 0;
@@ -240,7 +241,7 @@ static int acpi_power_get_list_state(struct list_head *list, u8 *state)
break;
}
- pr_debug("Power resource list is %s\n", cur_state ? "on" : "off");
+ pr_debug("Power resource list is %s\n", str_on_off(cur_state));
*state = cur_state;
return 0;
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index a35dd0e41c27..54676e3d82dd 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -229,18 +229,20 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr,
node_entry = ACPI_PTR_DIFF(node, table_hdr);
entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,
sizeof(struct acpi_table_pptt));
- proc_sz = sizeof(struct acpi_pptt_processor *);
+ proc_sz = sizeof(struct acpi_pptt_processor);
- while ((unsigned long)entry + proc_sz < table_end) {
+ /* ignore subtable types that are smaller than a processor node */
+ while ((unsigned long)entry + proc_sz <= table_end) {
cpu_node = (struct acpi_pptt_processor *)entry;
+
if (entry->type == ACPI_PPTT_TYPE_PROCESSOR &&
cpu_node->parent == node_entry)
return 0;
if (entry->length == 0)
return 0;
+
entry = ACPI_ADD_PTR(struct acpi_subtable_header, entry,
entry->length);
-
}
return 1;
}
@@ -270,18 +272,21 @@ static struct acpi_pptt_processor *acpi_find_processor_node(struct acpi_table_he
table_end = (unsigned long)table_hdr + table_hdr->length;
entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,
sizeof(struct acpi_table_pptt));
- proc_sz = sizeof(struct acpi_pptt_processor *);
+ proc_sz = sizeof(struct acpi_pptt_processor);
/* find the processor structure associated with this cpuid */
- while ((unsigned long)entry + proc_sz < table_end) {
+ while ((unsigned long)entry + proc_sz <= table_end) {
cpu_node = (struct acpi_pptt_processor *)entry;
if (entry->length == 0) {
pr_warn("Invalid zero length subtable\n");
break;
}
+ /* entry->length may not equal proc_sz, revalidate the processor structure length */
if (entry->type == ACPI_PPTT_TYPE_PROCESSOR &&
acpi_cpu_id == cpu_node->acpi_processor_id &&
+ (unsigned long)entry + entry->length <= table_end &&
+ entry->length == proc_sz + cpu_node->number_of_priv_resources * sizeof(u32) &&
acpi_pptt_leaf_node(table_hdr, cpu_node)) {
return (struct acpi_pptt_processor *)entry;
}
diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c
index e549914a636c..be033bbb126a 100644
--- a/drivers/acpi/prmt.c
+++ b/drivers/acpi/prmt.c
@@ -85,8 +85,6 @@ static u64 efi_pa_va_lookup(efi_guid_t *guid, u64 pa)
}
}
- pr_warn("Failed to find VA for GUID: %pUL, PA: 0x%llx", guid, pa);
-
return 0;
}
@@ -154,13 +152,37 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end)
guid_copy(&th->guid, (guid_t *)handler_info->handler_guid);
th->handler_addr =
(void *)efi_pa_va_lookup(&th->guid, handler_info->handler_address);
+ /*
+ * Print a warning message if handler_addr is zero which is not expected to
+ * ever happen.
+ */
+ if (unlikely(!th->handler_addr))
+ pr_warn("Failed to find VA of handler for GUID: %pUL, PA: 0x%llx",
+ &th->guid, handler_info->handler_address);
th->static_data_buffer_addr =
efi_pa_va_lookup(&th->guid, handler_info->static_data_buffer_address);
+ /*
+ * According to the PRM specification, static_data_buffer_address can be zero,
+ * so avoid printing a warning message in that case. Otherwise, if the
+ * return value of efi_pa_va_lookup() is zero, print the message.
+ */
+ if (unlikely(!th->static_data_buffer_addr && handler_info->static_data_buffer_address))
+ pr_warn("Failed to find VA of static data buffer for GUID: %pUL, PA: 0x%llx",
+ &th->guid, handler_info->static_data_buffer_address);
th->acpi_param_buffer_addr =
efi_pa_va_lookup(&th->guid, handler_info->acpi_param_buffer_address);
+ /*
+ * According to the PRM specification, acpi_param_buffer_address can be zero,
+ * so avoid printing a warning message in that case. Otherwise, if the
+ * return value of efi_pa_va_lookup() is zero, print the message.
+ */
+ if (unlikely(!th->acpi_param_buffer_addr && handler_info->acpi_param_buffer_address))
+ pr_warn("Failed to find VA of acpi param buffer for GUID: %pUL, PA: 0x%llx",
+ &th->guid, handler_info->acpi_param_buffer_address);
+
} while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info)));
return 0;
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 3b281bc1e73c..65e779be64ff 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -279,6 +279,9 @@ static int __init acpi_processor_driver_init(void)
* after acpi_cppc_processor_probe() has been called for all online CPUs
*/
acpi_processor_init_invariance_cppc();
+
+ acpi_idle_rescan_dead_smt_siblings();
+
return 0;
err:
driver_unregister(&acpi_processor_driver);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 698897b29de2..2c2dc559e0f8 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -24,6 +24,8 @@
#include <acpi/processor.h>
#include <linux/context_tracking.h>
+#include "internal.h"
+
/*
* Include the apic definitions for x86 to have the APIC timer related defines
* available also for UP (on SMP it gets magically included via linux/smp.h).
@@ -55,6 +57,12 @@ struct cpuidle_driver acpi_idle_driver = {
};
#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
+void acpi_idle_rescan_dead_smt_siblings(void)
+{
+ if (cpuidle_get_driver() == &acpi_idle_driver)
+ arch_cpu_rescan_dead_smt_siblings();
+}
+
static
DEFINE_PER_CPU(struct acpi_processor_cx * [CPUIDLE_STATE_MAX], acpi_cstate);
@@ -268,6 +276,10 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
ACPI_CX_DESC_LEN, "ACPI P_LVL3 IOPORT 0x%x",
pr->power.states[ACPI_STATE_C3].address);
+ if (!pr->power.states[ACPI_STATE_C2].address &&
+ !pr->power.states[ACPI_STATE_C3].address)
+ return -ENODEV;
+
return 0;
}
@@ -457,10 +469,8 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
static int acpi_processor_get_cstate_info(struct acpi_processor *pr)
{
- unsigned int i;
int result;
-
/* NOTE: the idle thread may not be running while calling
* this function */
@@ -477,17 +487,7 @@ static int acpi_processor_get_cstate_info(struct acpi_processor *pr)
acpi_processor_get_power_info_default(pr);
pr->power.count = acpi_processor_power_verify(pr);
-
- /*
- * if one state of type C2 or C3 is available, mark this
- * CPU as being "idle manageable"
- */
- for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
- if (pr->power.states[i].valid) {
- pr->power.count = i;
- pr->flags.power = 1;
- }
- }
+ pr->flags.power = 1;
return 0;
}
@@ -590,6 +590,8 @@ static void acpi_idle_play_dead(struct cpuidle_device *dev, int index)
raw_safe_halt();
else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) {
io_idle(cx->address);
+ } else if (cx->entry_method == ACPI_CSTATE_FFH) {
+ acpi_processor_ffh_play_dead(cx);
} else
return;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 53996f1a2d80..8972446b7162 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -20,6 +20,7 @@
#include <acpi/processor.h>
#ifdef CONFIG_X86
#include <asm/cpufeature.h>
+#include <asm/msr.h>
#endif
#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance"
@@ -172,6 +173,9 @@ void acpi_processor_ppc_init(struct cpufreq_policy *policy)
{
unsigned int cpu;
+ if (ignore_ppc == 1)
+ return;
+
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
@@ -192,6 +196,14 @@ void acpi_processor_ppc_init(struct cpufreq_policy *policy)
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n",
cpu, ret);
+
+ if (!pr->performance)
+ continue;
+
+ ret = acpi_processor_get_platform_limit(pr);
+ if (ret)
+ pr_err("Failed to update freq constraint for CPU%d (%d)\n",
+ cpu, ret);
}
}
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 00d045e5f524..d1541a386fbc 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -18,9 +18,12 @@
#include <linux/sched.h>
#include <linux/cpufreq.h>
#include <linux/acpi.h>
+#include <linux/uaccess.h>
#include <acpi/processor.h>
#include <asm/io.h>
-#include <linux/uaccess.h>
+#ifdef CONFIG_X86
+#include <asm/msr.h>
+#endif
/* ignore_tpc:
* 0 -> acpi processor driver doesn't ignore _TPC values
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index e9186339f6e6..436019d96027 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1492,7 +1492,7 @@ acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode)
static bool acpi_fwnode_device_is_available(const struct fwnode_handle *fwnode)
{
if (!is_acpi_device_node(fwnode))
- return false;
+ return true;
return acpi_device_is_present(to_acpi_device_node(fwnode));
}
@@ -1656,6 +1656,7 @@ static int acpi_fwnode_irq_get(const struct fwnode_handle *fwnode,
acpi_fwnode_device_dma_supported, \
.device_get_dma_attr = acpi_fwnode_device_get_dma_attr, \
.property_present = acpi_fwnode_property_present, \
+ .property_read_bool = acpi_fwnode_property_present, \
.property_read_int_array = \
acpi_fwnode_property_read_int_array, \
.property_read_string_array = \
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 90aaec923889..b1ab192d7a08 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -441,6 +441,13 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
},
},
{
+ /* Asus Vivobook X1404VAP */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "X1404VAP"),
+ },
+ },
+ {
/* Asus Vivobook X1504VAP */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
@@ -527,7 +534,7 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
*/
static const struct dmi_system_id irq1_edge_low_force_override[] = {
{
- /* MECHREV Jiaolong17KS Series GM7XG0M */
+ /* MECHREVO Jiaolong17KS Series GM7XG0M */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "GM7XG0M"),
},
@@ -564,6 +571,12 @@ static const struct dmi_system_id irq1_edge_low_force_override[] = {
},
},
{
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Eluktronics Inc."),
+ DMI_MATCH(DMI_BOARD_NAME, "MECH-17"),
+ },
+ },
+ {
/* TongFang GM6XGxX/TUXEDO Stellaris 16 Gen5 AMD */
.matches = {
DMI_MATCH(DMI_BOARD_NAME, "GM6XGxX"),
@@ -654,6 +667,13 @@ static const struct dmi_system_id irq1_edge_low_force_override[] = {
},
},
{
+ /* MACHENIKE L16P/L16P */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MACHENIKE"),
+ DMI_MATCH(DMI_BOARD_NAME, "L16P"),
+ },
+ },
+ {
/*
* TongFang GM5HG0A in case of the SKIKK Vanaheim relabel the
* board-name is changed, so check OEM strings instead. Note
diff --git a/drivers/acpi/riscv/cppc.c b/drivers/acpi/riscv/cppc.c
index 4cdff387deff..440cf9fb91aa 100644
--- a/drivers/acpi/riscv/cppc.c
+++ b/drivers/acpi/riscv/cppc.c
@@ -37,10 +37,8 @@ static int __init sbi_cppc_init(void)
{
if (sbi_spec_version >= sbi_mk_version(2, 0) &&
sbi_probe_extension(SBI_EXT_CPPC) > 0) {
- pr_info("SBI CPPC extension detected\n");
cppc_ext_present = true;
} else {
- pr_info("SBI CPPC extension NOT detected!!\n");
cppc_ext_present = false;
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 74dcccdc6482..fb1fe9f3b1a3 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -723,10 +723,8 @@ int acpi_tie_acpi_dev(struct acpi_device *adev)
static void acpi_store_pld_crc(struct acpi_device *adev)
{
struct acpi_pld_info *pld;
- acpi_status status;
- status = acpi_get_physical_device_location(adev->handle, &pld);
- if (ACPI_FAILURE(status))
+ if (!acpi_get_physical_device_location(adev->handle, &pld))
return;
adev->pld_crc = crc32(~0, pld, sizeof(*pld));
@@ -1634,13 +1632,6 @@ static int acpi_iommu_configure_id(struct device *dev, const u32 *id_in)
err = viot_iommu_configure(dev);
mutex_unlock(&iommu_probe_device_lock);
- /*
- * If we have reason to believe the IOMMU driver missed the initial
- * iommu_probe_device() call for dev, replay it to get things in order.
- */
- if (!err && dev->bus)
- err = iommu_probe_device(dev);
-
return err;
}
@@ -1769,6 +1760,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
{"CSC3557", },
{"INT33FE", },
{"INT3515", },
+ {"TXNW2781", },
/* Non-conforming _HID for Cirrus Logic already released */
{"CLSA0100", },
{"CLSA0101", },
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 687524b50085..a48ebbf768f9 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -319,7 +319,7 @@ struct acpi_data_attr {
};
static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_table_attr *table_attr =
@@ -372,7 +372,7 @@ static int acpi_table_attr_init(struct kobject *tables_obj,
}
table_attr->attr.size = table_header->length;
- table_attr->attr.read = acpi_table_show;
+ table_attr->attr.read_new = acpi_table_show;
table_attr->attr.attr.name = table_attr->filename;
table_attr->attr.attr.mode = 0400;
@@ -412,7 +412,7 @@ acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
}
static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
struct acpi_data_attr *data_attr;
@@ -495,7 +495,7 @@ static int acpi_table_data_init(struct acpi_table_header *th)
if (!data_attr)
return -ENOMEM;
sysfs_attr_init(&data_attr->attr.attr);
- data_attr->attr.read = acpi_data_show;
+ data_attr->attr.read_new = acpi_data_show;
data_attr->attr.attr.mode = 0400;
return acpi_data_objs[i].fn(th, data_attr);
}
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 9e1b01c35070..fa9bb8c8ce95 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -56,7 +56,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_apic *)header;
pr_debug("LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
p->processor_id, p->id,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -66,7 +66,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_x2apic *)header;
pr_debug("X2APIC (apic_id[0x%02x] uid[0x%02x] %s)\n",
p->local_apic_id, p->uid,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -160,7 +160,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
(struct acpi_madt_local_sapic *)header;
pr_debug("LSAPIC (acpi_id[0x%02x] lsapic_id[0x%02x] lsapic_eid[0x%02x] %s)\n",
p->processor_id, p->id, p->eid,
- (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->lapic_flags & ACPI_MADT_ENABLED));
}
break;
@@ -183,7 +183,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("GICC (acpi_id[0x%04x] address[%llx] MPIDR[0x%llx] %s)\n",
p->uid, p->base_address,
p->arm_mpidr,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
@@ -218,7 +218,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("CORE PIC (processor_id[0x%02x] core_id[0x%02x] %s)\n",
p->processor_id, p->core_id,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
@@ -228,7 +228,7 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
pr_debug("RISC-V INTC (acpi_uid[0x%04x] hart_id[0x%llx] %s)\n",
p->uid, p->hart_id,
- (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
+ str_enabled_disabled(p->flags & ACPI_MADT_ENABLED));
}
break;
@@ -396,7 +396,7 @@ static u8 __init acpi_table_checksum(u8 *buffer, u32 length)
}
/* All but ACPI_SIG_RSDP and ACPI_SIG_FACS: */
-static const char table_sigs[][ACPI_NAMESEG_SIZE] __initconst = {
+static const char table_sigs[][ACPI_NAMESEG_SIZE] __nonstring_array __initconst = {
ACPI_SIG_BERT, ACPI_SIG_BGRT, ACPI_SIG_CPEP, ACPI_SIG_ECDT,
ACPI_SIG_EINJ, ACPI_SIG_ERST, ACPI_SIG_HEST, ACPI_SIG_MADT,
ACPI_SIG_MSCT, ACPI_SIG_SBST, ACPI_SIG_SLIT, ACPI_SIG_SRAT,
@@ -719,8 +719,12 @@ int __init acpi_locate_initial_tables(void)
}
status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ const char *msg = acpi_format_exception(status);
+
+ pr_warn("Failed to initialize tables, status=0x%x (%s)", status, msg);
return -EINVAL;
+ }
return 0;
}
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 95982c098d5b..5c2defe55898 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -803,7 +803,13 @@ static int acpi_thermal_add(struct acpi_device *device)
acpi_thermal_aml_dependency_fix(tz);
- /* Get trip points [_CRT, _PSV, etc.] (required). */
+ /*
+ * Set the cooling mode [_SCP] to active cooling. This needs to happen before
+ * we retrieve the trip point values.
+ */
+ acpi_execute_simple_method(tz->device->handle, "_SCP", ACPI_THERMAL_MODE_ACTIVE);
+
+ /* Get trip points [_ACi, _PSV, etc.] (required). */
acpi_thermal_get_trip_points(tz);
crit_temp = acpi_thermal_get_critical_trip(tz);
@@ -814,10 +820,6 @@ static int acpi_thermal_add(struct acpi_device *device)
if (result)
goto free_memory;
- /* Set the cooling mode [_SCP] to active cooling. */
- acpi_execute_simple_method(tz->device->handle, "_SCP",
- ACPI_THERMAL_MODE_ACTIVE);
-
/* Determine the default polling frequency [_TZP]. */
if (tzp)
tz->polling_frequency = tzp;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6de542d99518..526563a0d188 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -494,7 +494,7 @@ bool acpi_device_dep(acpi_handle target, acpi_handle match)
}
EXPORT_SYMBOL_GPL(acpi_device_dep);
-acpi_status
+bool
acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld)
{
acpi_status status;
@@ -502,9 +502,8 @@ acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld
union acpi_object *output;
status = acpi_evaluate_object(handle, "_PLD", NULL, &buffer);
-
if (ACPI_FAILURE(status))
- return status;
+ return false;
output = buffer.pointer;
@@ -523,7 +522,7 @@ acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld
out:
kfree(buffer.pointer);
- return status;
+ return ACPI_SUCCESS(status);
}
EXPORT_SYMBOL(acpi_get_physical_device_location);
diff --git a/drivers/acpi/viot.c b/drivers/acpi/viot.c
index 2aa69a2fba73..c13a20365c2c 100644
--- a/drivers/acpi/viot.c
+++ b/drivers/acpi/viot.c
@@ -19,11 +19,11 @@
#define pr_fmt(fmt) "ACPI: VIOT: " fmt
#include <linux/acpi_viot.h>
-#include <linux/fwnode.h>
#include <linux/iommu.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
struct viot_iommu {
/* Node offset within the table */
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
index 068c1612660b..4ee30c2897a2 100644
--- a/drivers/acpi/x86/utils.c
+++ b/drivers/acpi/x86/utils.c
@@ -374,7 +374,8 @@ static const struct dmi_system_id acpi_quirk_skip_dmi_ids[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"),
},
.driver_data = (void *)(ACPI_QUIRK_SKIP_I2C_CLIENTS |
- ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY),
+ ACPI_QUIRK_SKIP_ACPI_AC_AND_BATTERY |
+ ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS),
},
{
/* Medion Lifetab S10346 */