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-rw-r--r--drivers/acpi/acpica/exconfig.c2
-rw-r--r--drivers/acpi/acpica/hwregs.c146
-rw-r--r--drivers/acpi/acpica/nsparse.c9
-rw-r--r--drivers/acpi/nfit/core.c11
-rw-r--r--drivers/acpi/nfit/nfit.h10
-rw-r--r--drivers/acpi/pci_link.c2
6 files changed, 30 insertions, 150 deletions
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index a1d177d58254..21932d640a41 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -108,7 +108,9 @@ acpi_ex_add_table(u32 table_index,
/* Add the table to the namespace */
+ acpi_ex_exit_interpreter();
status = acpi_ns_load_table(table_index, parent_node);
+ acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
acpi_ut_remove_reference(obj_desc);
*ddb_handle = NULL;
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index daceb80022b0..3b7fb99362b6 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -306,12 +306,6 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg)
acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
{
u64 address;
- u8 access_width;
- u32 bit_width;
- u8 bit_offset;
- u64 value64;
- u32 new_value32, old_value32;
- u8 index;
acpi_status status;
ACPI_FUNCTION_NAME(hw_write);
@@ -323,145 +317,23 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg)
return (status);
}
- /* Convert access_width into number of bits based */
-
- access_width = acpi_hw_get_access_bit_width(reg, 32);
- bit_width = reg->bit_offset + reg->bit_width;
- bit_offset = reg->bit_offset;
-
/*
* Two address spaces supported: Memory or IO. PCI_Config is
* not supported here because the GAS structure is insufficient
*/
- index = 0;
- while (bit_width) {
- /*
- * Use offset style bit reads because "Index * AccessWidth" is
- * ensured to be less than 32-bits by acpi_hw_validate_register().
- */
- new_value32 = ACPI_GET_BITS(&value, index * access_width,
- ACPI_MASK_BITS_ABOVE_32
- (access_width));
-
- if (bit_offset >= access_width) {
- bit_offset -= access_width;
- } else {
- /*
- * Use offset style bit masks because access_width is ensured
- * to be less than 32-bits by acpi_hw_validate_register() and
- * bit_offset/bit_width is less than access_width here.
- */
- if (bit_offset) {
- new_value32 &= ACPI_MASK_BITS_BELOW(bit_offset);
- }
- if (bit_width < access_width) {
- new_value32 &= ACPI_MASK_BITS_ABOVE(bit_width);
- }
-
- if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
- if (bit_offset || bit_width < access_width) {
- /*
- * Read old values in order not to modify the bits that
- * are beyond the register bit_width/bit_offset setting.
- */
- status =
- acpi_os_read_memory((acpi_physical_address)
- address +
- index *
- ACPI_DIV_8
- (access_width),
- &value64,
- access_width);
- old_value32 = (u32)value64;
-
- /*
- * Use offset style bit masks because access_width is
- * ensured to be less than 32-bits by
- * acpi_hw_validate_register() and bit_offset/bit_width is
- * less than access_width here.
- */
- if (bit_offset) {
- old_value32 &=
- ACPI_MASK_BITS_ABOVE
- (bit_offset);
- bit_offset = 0;
- }
- if (bit_width < access_width) {
- old_value32 &=
- ACPI_MASK_BITS_BELOW
- (bit_width);
- }
-
- new_value32 |= old_value32;
- }
-
- value64 = (u64)new_value32;
- status =
- acpi_os_write_memory((acpi_physical_address)
- address +
- index *
- ACPI_DIV_8
- (access_width),
- value64, access_width);
- } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
-
- if (bit_offset || bit_width < access_width) {
- /*
- * Read old values in order not to modify the bits that
- * are beyond the register bit_width/bit_offset setting.
- */
- status =
- acpi_hw_read_port((acpi_io_address)
- address +
- index *
- ACPI_DIV_8
- (access_width),
- &old_value32,
- access_width);
-
- /*
- * Use offset style bit masks because access_width is
- * ensured to be less than 32-bits by
- * acpi_hw_validate_register() and bit_offset/bit_width is
- * less than access_width here.
- */
- if (bit_offset) {
- old_value32 &=
- ACPI_MASK_BITS_ABOVE
- (bit_offset);
- bit_offset = 0;
- }
- if (bit_width < access_width) {
- old_value32 &=
- ACPI_MASK_BITS_BELOW
- (bit_width);
- }
-
- new_value32 |= old_value32;
- }
-
- status = acpi_hw_write_port((acpi_io_address)
- address +
- index *
- ACPI_DIV_8
- (access_width),
- new_value32,
- access_width);
- }
- }
-
- /*
- * Index * access_width is ensured to be less than 32-bits by
- * acpi_hw_validate_register().
- */
- bit_width -=
- bit_width > access_width ? access_width : bit_width;
- index++;
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+ status = acpi_os_write_memory((acpi_physical_address)
+ address, (u64)value,
+ reg->bit_width);
+ } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
+
+ status = acpi_hw_write_port((acpi_io_address)
+ address, value, reg->bit_width);
}
ACPI_DEBUG_PRINT((ACPI_DB_IO,
"Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
- value, access_width, ACPI_FORMAT_UINT64(address),
+ value, reg->bit_width, ACPI_FORMAT_UINT64(address),
acpi_ut_get_region_name(reg->space_id)));
return (status);
diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c
index f631a47724f0..1783cd7e1446 100644
--- a/drivers/acpi/acpica/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -47,6 +47,7 @@
#include "acparser.h"
#include "acdispat.h"
#include "actables.h"
+#include "acinterp.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsparse")
@@ -170,6 +171,8 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
ACPI_FUNCTION_TRACE(ns_parse_table);
+ acpi_ex_enter_interpreter();
+
/*
* AML Parse, pass 1
*
@@ -185,7 +188,7 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1,
table_index, start_node);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto error_exit;
}
/*
@@ -201,8 +204,10 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS2,
table_index, start_node);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ goto error_exit;
}
+error_exit:
+ acpi_ex_exit_interpreter();
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 69b35b7f97a1..8c234dd9b8bc 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1071,7 +1071,7 @@ static ssize_t format_show(struct device *dev,
{
struct acpi_nfit_control_region *dcr = to_nfit_dcr(dev);
- return sprintf(buf, "0x%04x\n", be16_to_cpu(dcr->code));
+ return sprintf(buf, "0x%04x\n", le16_to_cpu(dcr->code));
}
static DEVICE_ATTR_RO(format);
@@ -1104,8 +1104,8 @@ static ssize_t format1_show(struct device *dev,
continue;
if (nfit_dcr->dcr->code == dcr->code)
continue;
- rc = sprintf(buf, "%#x\n",
- be16_to_cpu(nfit_dcr->dcr->code));
+ rc = sprintf(buf, "0x%04x\n",
+ le16_to_cpu(nfit_dcr->dcr->code));
break;
}
if (rc != ENXIO)
@@ -1296,9 +1296,10 @@ static int acpi_nfit_add_dimm(struct acpi_nfit_desc *acpi_desc,
} else if (nfit_mem->family == NVDIMM_FAMILY_MSFT) {
dsm_mask = 0xffffffff;
} else {
- dev_err(dev, "unknown dimm command family\n");
+ dev_dbg(dev, "unknown dimm command family\n");
nfit_mem->family = -1;
- return force_enable_dimms ? 0 : -ENODEV;
+ /* DSMs are optional, continue loading the driver... */
+ return 0;
}
uuid = to_nfit_uuid(nfit_mem->family);
diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
index ba6074a06958..e894ded24d99 100644
--- a/drivers/acpi/nfit/nfit.h
+++ b/drivers/acpi/nfit/nfit.h
@@ -58,12 +58,12 @@ enum nfit_uuids {
};
/*
- * Region format interface codes are stored as an array of bytes in the
- * NFIT DIMM Control Region structure
+ * Region format interface codes are stored with the interface as the
+ * LSB and the function as the MSB.
*/
-#define NFIT_FIC_BYTE cpu_to_be16(0x101) /* byte-addressable energy backed */
-#define NFIT_FIC_BLK cpu_to_be16(0x201) /* block-addressable non-energy backed */
-#define NFIT_FIC_BYTEN cpu_to_be16(0x301) /* byte-addressable non-energy backed */
+#define NFIT_FIC_BYTE cpu_to_le16(0x101) /* byte-addressable energy backed */
+#define NFIT_FIC_BLK cpu_to_le16(0x201) /* block-addressable non-energy backed */
+#define NFIT_FIC_BYTEN cpu_to_le16(0x301) /* byte-addressable non-energy backed */
enum {
NFIT_BLK_READ_FLUSH = 1,
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 8fc7323ed3e8..4ed4061813e6 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -839,7 +839,7 @@ void acpi_penalize_isa_irq(int irq, int active)
{
if ((irq >= 0) && (irq < ARRAY_SIZE(acpi_isa_irq_penalty)))
acpi_isa_irq_penalty[irq] = acpi_irq_get_penalty(irq) +
- active ? PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING;
+ (active ? PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING);
}
bool acpi_isa_irq_available(int irq)