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-rw-r--r--drivers/acpi/acpi_apd.c6
-rw-r--r--drivers/acpi/acpi_processor.c2
-rw-r--r--drivers/acpi/acpica/acglobal.h6
-rw-r--r--drivers/acpi/acpica/aclocal.h2
-rw-r--r--drivers/acpi/acpica/acpredef.h2
-rw-r--r--drivers/acpi/acpica/dbconvert.c2
-rw-r--r--drivers/acpi/acpica/exconvrt.c58
-rw-r--r--drivers/acpi/acpica/exprep.c3
-rw-r--r--drivers/acpi/acpica/exsystem.c11
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c15
-rw-r--r--drivers/acpi/acpica/psargs.c47
-rw-r--r--drivers/acpi/acpica/rsaddr.c3
-rw-r--r--drivers/acpi/acpica/rsdump.c2
-rw-r--r--drivers/acpi/acpica/tbutils.c2
-rw-r--r--drivers/acpi/acpica/utdelete.c4
-rw-r--r--drivers/acpi/acpica/utinit.c2
-rw-r--r--drivers/acpi/acpica/utosi.c1
-rw-r--r--drivers/acpi/acpica/utxfinit.c24
-rw-r--r--drivers/acpi/battery.c39
-rw-r--r--drivers/acpi/bus.c4
-rw-r--r--drivers/acpi/device_sysfs.c196
-rw-r--r--drivers/acpi/ec.c55
-rw-r--r--drivers/acpi/internal.h3
-rw-r--r--drivers/acpi/pci_link.c2
-rw-r--r--drivers/acpi/pmic/tps68470_pmic.c6
-rw-r--r--drivers/acpi/riscv/Makefile2
-rw-r--r--drivers/acpi/riscv/init.c13
-rw-r--r--drivers/acpi/riscv/init.h4
-rw-r--r--drivers/acpi/riscv/irq.c335
-rw-r--r--drivers/acpi/scan.c109
-rw-r--r--drivers/acpi/sleep.c14
-rw-r--r--drivers/acpi/utils.c3
32 files changed, 736 insertions, 241 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 80f945cbec8a..800f97868448 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -118,6 +118,11 @@ static const struct apd_device_desc wt_i2c_desc = {
.fixed_clk_rate = 150000000,
};
+static const struct apd_device_desc wt_i3c_desc = {
+ .setup = acpi_apd_setup,
+ .fixed_clk_rate = 125000000,
+};
+
static struct property_entry uart_properties[] = {
PROPERTY_ENTRY_U32("reg-io-width", 4),
PROPERTY_ENTRY_U32("reg-shift", 2),
@@ -231,6 +236,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
{ "AMD0030", },
{ "AMD0040", APD_ADDR(fch_misc_desc)},
{ "AMDI0010", APD_ADDR(wt_i2c_desc) },
+ { "AMDI0015", APD_ADDR(wt_i3c_desc) },
{ "AMDI0019", APD_ADDR(wt_i2c_desc) },
{ "AMDI0020", APD_ADDR(cz_uart_desc) },
{ "AMDI0022", APD_ADDR(cz_uart_desc) },
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 9916cc7ced39..a19ace9080e9 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -985,7 +985,7 @@ int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
memcpy(&info->states[++last_index], &cx, sizeof(cx));
}
- acpi_handle_info(handle, "Found %d idle states\n", last_index);
+ acpi_handle_debug(handle, "Found %d idle states\n", last_index);
info->count = last_index;
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index f4c90fc99be2..309ce8efb4f6 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -29,11 +29,7 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX);
ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX);
ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
ACPI_INIT_GLOBAL(u32, acpi_gbl_fadt_index, ACPI_INVALID_TABLE_INDEX);
-
-#if (!ACPI_REDUCED_HARDWARE)
-ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
-
-#endif /* !ACPI_REDUCED_HARDWARE */
+ACPI_INIT_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS, NULL);
/* These addresses are calculated from the FADT Event Block addresses */
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 02012168a087..6f4fe47c955b 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -1090,6 +1090,8 @@ struct acpi_port_info {
#define ACPI_ADDRESS_TYPE_IO_RANGE 1
#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE 2
+#define ACPI_ADDRESS_TYPE_PCC_NUMBER 0xA
+
/* Resource descriptor types and masks */
#define ACPI_RESOURCE_NAME_LARGE 0x80
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 2e442f5a3123..ef068f4c864a 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -450,7 +450,7 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
{{"_DSM",
METHOD_4ARGS(ACPI_TYPE_BUFFER, ACPI_TYPE_INTEGER, ACPI_TYPE_INTEGER,
- ACPI_TYPE_PACKAGE),
+ ACPI_TYPE_ANY) | ARG_COUNT_IS_MINIMUM,
METHOD_RETURNS(ACPI_RTYPE_ALL)}}, /* Must return a value, but it can be of any type */
{{"_DSS", METHOD_1ARGS(ACPI_TYPE_INTEGER),
diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c
index 2b84ac093698..8dbab6932049 100644
--- a/drivers/acpi/acpica/dbconvert.c
+++ b/drivers/acpi/acpica/dbconvert.c
@@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object)
elements =
ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS *
sizeof(union acpi_object));
+ if (!elements)
+ return (AE_NO_MEMORY);
this = string;
for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) {
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index 3729bf3b74f7..bb1be42daee1 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -17,7 +17,8 @@ ACPI_MODULE_NAME("exconvrt")
/* Local prototypes */
static u32
-acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length);
+acpi_ex_convert_to_ascii(u64 integer,
+ u16 base, u8 *string, u8 max_length, u8 leading_zeros);
/*******************************************************************************
*
@@ -249,6 +250,7 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
* base - ACPI_STRING_DECIMAL or ACPI_STRING_HEX
* string - Where the string is returned
* data_width - Size of data item to be converted, in bytes
+ * leading_zeros - Allow leading zeros
*
* RETURN: Actual string length
*
@@ -257,7 +259,8 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
******************************************************************************/
static u32
-acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
+acpi_ex_convert_to_ascii(u64 integer,
+ u16 base, u8 *string, u8 data_width, u8 leading_zeros)
{
u64 digit;
u32 i;
@@ -266,7 +269,8 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
u32 hex_length;
u32 decimal_length;
u32 remainder;
- u8 supress_zeros;
+ u8 supress_zeros = !leading_zeros;
+ u8 hex_char;
ACPI_FUNCTION_ENTRY();
@@ -293,7 +297,6 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
break;
}
- supress_zeros = TRUE; /* No leading zeros */
remainder = 0;
for (i = decimal_length; i > 0; i--) {
@@ -328,8 +331,17 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width)
/* Get one hex digit, most significant digits first */
- string[k] = (u8)
+ hex_char = (u8)
acpi_ut_hex_to_ascii_char(integer, ACPI_MUL_4(j));
+
+ /* Supress leading zeros until the first non-zero character */
+
+ if (hex_char == ACPI_ASCII_ZERO && supress_zeros) {
+ continue;
+ }
+
+ supress_zeros = FALSE;
+ string[k] = hex_char;
k++;
}
break;
@@ -379,6 +391,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
u32 string_length = 0;
u16 base = 16;
u8 separator = ',';
+ u8 leading_zeros;
ACPI_FUNCTION_TRACE_PTR(ex_convert_to_string, obj_desc);
@@ -400,14 +413,26 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
* Make room for the maximum decimal number size
*/
string_length = ACPI_MAX_DECIMAL_DIGITS;
+ leading_zeros = FALSE;
base = 10;
break;
+ case ACPI_EXPLICIT_CONVERT_HEX:
+ /*
+ * From to_hex_string.
+ *
+ * Supress leading zeros and append "0x"
+ */
+ string_length =
+ ACPI_MUL_2(acpi_gbl_integer_byte_width) + 2;
+ leading_zeros = FALSE;
+ break;
default:
/* Two hex string characters for each integer byte */
string_length = ACPI_MUL_2(acpi_gbl_integer_byte_width);
+ leading_zeros = TRUE;
break;
}
@@ -422,17 +447,32 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
}
new_buf = return_desc->buffer.pointer;
+ if (type == ACPI_EXPLICIT_CONVERT_HEX) {
+
+ /* Append "0x" prefix for explicit hex conversion */
+
+ *new_buf++ = '0';
+ *new_buf++ = 'x';
+ }
/* Convert integer to string */
string_length =
acpi_ex_convert_to_ascii(obj_desc->integer.value, base,
new_buf,
- acpi_gbl_integer_byte_width);
+ acpi_gbl_integer_byte_width,
+ leading_zeros);
/* Null terminate at the correct place */
return_desc->string.length = string_length;
+ if (type == ACPI_EXPLICIT_CONVERT_HEX) {
+
+ /* Take "0x" prefix into account */
+
+ return_desc->string.length += 2;
+ }
+
new_buf[string_length] = 0;
break;
@@ -448,6 +488,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
* From ACPI: "If the input is a buffer, it is converted to a
* a string of decimal values separated by commas."
*/
+ leading_zeros = FALSE;
base = 10;
/*
@@ -475,6 +516,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
*
* Each hex number is prefixed with 0x (11/2018)
*/
+ leading_zeros = TRUE;
separator = ' ';
string_length = (obj_desc->buffer.length * 5);
break;
@@ -488,6 +530,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
*
* Each hex number is prefixed with 0x (11/2018)
*/
+ leading_zeros = TRUE;
separator = ',';
string_length = (obj_desc->buffer.length * 5);
break;
@@ -528,7 +571,8 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
new_buf += acpi_ex_convert_to_ascii((u64) obj_desc->
buffer.pointer[i],
- base, new_buf, 1);
+ base, new_buf, 1,
+ leading_zeros);
/* Each digit is separated by either a comma or space */
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 08196fa17080..82b1fa2d201f 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
if (info->connection_node) {
second_desc = info->connection_node->object;
+ if (second_desc == NULL) {
+ break;
+ }
if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) {
status =
acpi_ds_get_buffer_arguments(second_desc);
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index f665ffd9a396..2c384bd52b9c 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -133,14 +133,15 @@ acpi_status acpi_ex_system_do_stall(u32 how_long_us)
* (ACPI specifies 100 usec as max, but this gives some slack in
* order to support existing BIOSs)
*/
- ACPI_ERROR((AE_INFO,
- "Time parameter is too large (%u)", how_long_us));
+ ACPI_ERROR_ONCE((AE_INFO,
+ "Time parameter is too large (%u)",
+ how_long_us));
status = AE_AML_OPERAND_VALUE;
} else {
if (how_long_us > 100) {
- ACPI_WARNING((AE_INFO,
- "Time parameter %u us > 100 us violating ACPI spec, please fix the firmware.",
- how_long_us));
+ ACPI_WARNING_ONCE((AE_INFO,
+ "Time parameter %u us > 100 us violating ACPI spec, please fix the firmware.",
+ how_long_us));
}
acpi_os_stall(how_long_us);
}
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 36ea48f64110..8dbf83aeb455 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -16,20 +16,11 @@
ACPI_MODULE_NAME("hwxfsleep")
/* Local prototypes */
-#if (!ACPI_REDUCED_HARDWARE)
static acpi_status
acpi_hw_set_firmware_waking_vector(struct acpi_table_facs *facs,
acpi_physical_address physical_address,
acpi_physical_address physical_address64);
-#endif
-
-/*
- * These functions are removed for the ACPI_REDUCED_HARDWARE case:
- * acpi_set_firmware_waking_vector
- * acpi_enter_sleep_state_s4bios
- */
-#if (!ACPI_REDUCED_HARDWARE)
/*******************************************************************************
*
* FUNCTION: acpi_hw_set_firmware_waking_vector
@@ -115,6 +106,12 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address,
ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
+/*
+ * These functions are removed for the ACPI_REDUCED_HARDWARE case:
+ * acpi_enter_sleep_state_s4bios
+ */
+
+#if (!ACPI_REDUCED_HARDWARE)
/*******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state_s4bios
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index 422c074ed289..28582adfc0ac 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -25,6 +25,8 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state);
static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
*parser_state);
+static void acpi_ps_free_field_list(union acpi_parse_object *start);
+
/*******************************************************************************
*
* FUNCTION: acpi_ps_get_next_package_length
@@ -685,6 +687,39 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
/*******************************************************************************
*
+ * FUNCTION: acpi_ps_free_field_list
+ *
+ * PARAMETERS: start - First Op in field list
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Free all Op objects inside a field list.
+ *
+ ******************************************************************************/
+
+static void acpi_ps_free_field_list(union acpi_parse_object *start)
+{
+ union acpi_parse_object *cur = start;
+ union acpi_parse_object *next;
+ union acpi_parse_object *arg;
+
+ while (cur) {
+ next = cur->common.next;
+
+ /* AML_INT_CONNECTION_OP can have a single argument */
+
+ arg = acpi_ps_get_arg(cur, 0);
+ if (arg) {
+ acpi_ps_free_op(arg);
+ }
+
+ acpi_ps_free_op(cur);
+ cur = next;
+ }
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ps_get_next_arg
*
* PARAMETERS: walk_state - Current state
@@ -751,6 +786,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
while (parser_state->aml < parser_state->pkg_end) {
field = acpi_ps_get_next_field(parser_state);
if (!field) {
+ if (arg) {
+ acpi_ps_free_field_list(arg);
+ }
+
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -820,6 +859,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
acpi_ps_get_next_namepath(walk_state, parser_state,
arg,
ACPI_NOT_METHOD_CALL);
+ if (ACPI_FAILURE(status)) {
+ acpi_ps_free_op(arg);
+ return_ACPI_STATUS(status);
+ }
} else {
/* Single complex argument, nothing returned */
@@ -854,6 +897,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
acpi_ps_get_next_namepath(walk_state, parser_state,
arg,
ACPI_POSSIBLE_METHOD_CALL);
+ if (ACPI_FAILURE(status)) {
+ acpi_ps_free_op(arg);
+ return_ACPI_STATUS(status);
+ }
if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) {
diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c
index fff48001d7ef..27384ee245f0 100644
--- a/drivers/acpi/acpica/rsaddr.c
+++ b/drivers/acpi/acpica/rsaddr.c
@@ -282,7 +282,8 @@ acpi_rs_get_address_common(struct acpi_resource *resource,
/* Validate the Resource Type */
- if ((address.resource_type > 2) && (address.resource_type < 0xC0)) {
+ if ((address.resource_type > 2) &&
+ (address.resource_type < 0xC0) && (address.resource_type != 0x0A)) {
return (FALSE);
}
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 611bc71c193f..5b7d7074ce4f 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -48,6 +48,7 @@ static void acpi_rs_dump_address_common(union acpi_resource_data *resource);
static void
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
+#ifdef ACPI_DEBUGGER
/*******************************************************************************
*
* FUNCTION: acpi_rs_dump_resource_list
@@ -160,6 +161,7 @@ void acpi_rs_dump_irq_list(u8 *route_table)
prt_element, prt_element->length);
}
}
+#endif
/*******************************************************************************
*
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 15fa68a5ea6e..dad7425fce3f 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -18,7 +18,6 @@ ACPI_MODULE_NAME("tbutils")
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
-#if (!ACPI_REDUCED_HARDWARE)
/*******************************************************************************
*
* FUNCTION: acpi_tb_initialize_facs
@@ -56,7 +55,6 @@ acpi_status acpi_tb_initialize_facs(void)
return (AE_OK);
}
-#endif /* !ACPI_REDUCED_HARDWARE */
/*******************************************************************************
*
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 8d7736d2d269..c85bfa13ac1e 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -140,7 +140,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
(void)
acpi_os_delete_semaphore
(acpi_gbl_global_lock_semaphore);
- acpi_gbl_global_lock_semaphore = NULL;
+ acpi_gbl_global_lock_semaphore = ACPI_SEMAPHORE_NULL;
acpi_os_delete_mutex(object->mutex.os_mutex);
acpi_gbl_global_lock_mutex = NULL;
@@ -157,7 +157,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
object, object->event.os_semaphore));
(void)acpi_os_delete_semaphore(object->event.os_semaphore);
- object->event.os_semaphore = NULL;
+ object->event.os_semaphore = ACPI_SEMAPHORE_NULL;
break;
case ACPI_TYPE_METHOD:
diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c
index 92fbaef161a7..6d78504e9fbc 100644
--- a/drivers/acpi/acpica/utinit.c
+++ b/drivers/acpi/acpica/utinit.c
@@ -154,7 +154,7 @@ acpi_status acpi_ut_init_globals(void)
/* Global Lock support */
- acpi_gbl_global_lock_semaphore = NULL;
+ acpi_gbl_global_lock_semaphore = ACPI_SEMAPHORE_NULL;
acpi_gbl_global_lock_mutex = NULL;
acpi_gbl_global_lock_acquired = FALSE;
acpi_gbl_global_lock_handle = 0;
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index 251bd396c6fd..99b85fd6eccf 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -75,6 +75,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
{"Windows 2019", NULL, 0, ACPI_OSI_WIN_10_19H1}, /* Windows 10 version 1903 - Added 08/2019 */
{"Windows 2020", NULL, 0, ACPI_OSI_WIN_10_20H1}, /* Windows 10 version 2004 - Added 08/2021 */
{"Windows 2021", NULL, 0, ACPI_OSI_WIN_11}, /* Windows 11 - Added 01/2022 */
+ {"Windows 2022", NULL, 0, ACPI_OSI_WIN_11_22H2}, /* Windows 11 version 22H2 - Added 04/2024 */
/* Feature Group Strings */
diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c
index 1915bec2b279..70ae0afa7939 100644
--- a/drivers/acpi/acpica/utxfinit.c
+++ b/drivers/acpi/acpica/utxfinit.c
@@ -120,6 +120,18 @@ acpi_status ACPI_INIT_FUNCTION acpi_enable_subsystem(u32 flags)
*/
acpi_gbl_early_initialization = FALSE;
+ /*
+ * Obtain a permanent mapping for the FACS. This is required for the
+ * Global Lock and the Firmware Waking Vector
+ */
+ if (!(flags & ACPI_NO_FACS_INIT)) {
+ status = acpi_tb_initialize_facs();
+ if (ACPI_FAILURE(status)) {
+ ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
+ return_ACPI_STATUS(status);
+ }
+ }
+
#if (!ACPI_REDUCED_HARDWARE)
/* Enable ACPI mode */
@@ -138,18 +150,6 @@ acpi_status ACPI_INIT_FUNCTION acpi_enable_subsystem(u32 flags)
}
/*
- * Obtain a permanent mapping for the FACS. This is required for the
- * Global Lock and the Firmware Waking Vector
- */
- if (!(flags & ACPI_NO_FACS_INIT)) {
- status = acpi_tb_initialize_facs();
- if (ACPI_FAILURE(status)) {
- ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
- return_ACPI_STATUS(status);
- }
- }
-
- /*
* Initialize ACPI Event handling (Fixed and General Purpose)
*
* Note1: We must have the hardware and events initialized before we can
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index da3a879d638a..f4599261cfc3 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -10,7 +10,6 @@
#define pr_fmt(fmt) "ACPI: battery: " fmt
-#include <linux/async.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/jiffies.h>
@@ -50,8 +49,6 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
MODULE_DESCRIPTION("ACPI Battery Driver");
MODULE_LICENSE("GPL");
-static async_cookie_t async_cookie;
-static bool battery_driver_registered;
static int battery_bix_broken_package;
static int battery_notification_delay_ms;
static int battery_ac_is_broken;
@@ -1207,7 +1204,7 @@ static int acpi_battery_update_retry(struct acpi_battery *battery)
static int acpi_battery_add(struct acpi_device *device)
{
int result = 0;
- struct acpi_battery *battery = NULL;
+ struct acpi_battery *battery;
if (!device)
return -EINVAL;
@@ -1219,8 +1216,8 @@ static int acpi_battery_add(struct acpi_device *device)
if (!battery)
return -ENOMEM;
battery->device = device;
- strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
- strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
+ strscpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
+ strscpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
device->driver_data = battery;
mutex_init(&battery->lock);
mutex_init(&battery->sysfs_lock);
@@ -1260,7 +1257,7 @@ fail:
static void acpi_battery_remove(struct acpi_device *device)
{
- struct acpi_battery *battery = NULL;
+ struct acpi_battery *battery;
if (!device || !acpi_driver_data(device))
return;
@@ -1311,37 +1308,23 @@ static struct acpi_driver acpi_battery_driver = {
.remove = acpi_battery_remove,
},
.drv.pm = &acpi_battery_pm,
+ .drv.probe_type = PROBE_PREFER_ASYNCHRONOUS,
};
-static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
-{
- int result;
-
- if (acpi_quirk_skip_acpi_ac_and_battery())
- return;
-
- dmi_check_system(bat_dmi_table);
-
- result = acpi_bus_register_driver(&acpi_battery_driver);
- battery_driver_registered = (result == 0);
-}
-
static int __init acpi_battery_init(void)
{
- if (acpi_disabled)
+ if (acpi_disabled || acpi_quirk_skip_acpi_ac_and_battery())
return -ENODEV;
- async_cookie = async_schedule(acpi_battery_init_async, NULL);
- return 0;
+ dmi_check_system(bat_dmi_table);
+
+ return acpi_bus_register_driver(&acpi_battery_driver);
}
static void __exit acpi_battery_exit(void)
{
- async_synchronize_cookie(async_cookie + 1);
- if (battery_driver_registered) {
- acpi_bus_unregister_driver(&acpi_battery_driver);
- battery_hook_exit();
- }
+ acpi_bus_unregister_driver(&acpi_battery_driver);
+ battery_hook_exit();
}
module_init(acpi_battery_init);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 284bc2e03580..16917dc3ad60 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1203,6 +1203,9 @@ static int __init acpi_bus_init_irq(void)
case ACPI_IRQ_MODEL_LPIC:
message = "LPIC";
break;
+ case ACPI_IRQ_MODEL_RINTC:
+ message = "RINTC";
+ break;
default:
pr_info("Unknown interrupt routing model\n");
return -ENODEV;
@@ -1459,6 +1462,7 @@ static int __init acpi_init(void)
acpi_hest_init();
acpi_ghes_init();
acpi_arm_init();
+ acpi_riscv_init();
acpi_scan_init();
acpi_ec_init();
acpi_debugfs_init();
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 23373faa35ec..3961fc47152c 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -439,23 +439,33 @@ static ssize_t description_show(struct device *dev,
char *buf)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
+ struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *str_obj;
+ acpi_status status;
int result;
- if (acpi_dev->pnp.str_obj == NULL)
- return 0;
+ status = acpi_evaluate_object_typed(acpi_dev->handle, "_STR",
+ NULL, &buffer,
+ ACPI_TYPE_BUFFER);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ str_obj = buffer.pointer;
/*
* The _STR object contains a Unicode identifier for a device.
* We need to convert to utf-8 so it can be displayed.
*/
result = utf16s_to_utf8s(
- (wchar_t *)acpi_dev->pnp.str_obj->buffer.pointer,
- acpi_dev->pnp.str_obj->buffer.length,
+ (wchar_t *)str_obj->buffer.pointer,
+ str_obj->buffer.length,
UTF16_LITTLE_ENDIAN, buf,
PAGE_SIZE - 1);
buf[result++] = '\n';
+ kfree(str_obj);
+
return result;
}
static DEVICE_ATTR_RO(description);
@@ -507,96 +517,97 @@ static ssize_t status_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(status);
-/**
- * acpi_device_setup_files - Create sysfs attributes of an ACPI device.
- * @dev: ACPI device object.
- */
-int acpi_device_setup_files(struct acpi_device *dev)
-{
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- acpi_status status;
- int result = 0;
+static struct attribute *acpi_attrs[] = {
+ &dev_attr_path.attr,
+ &dev_attr_hid.attr,
+ &dev_attr_modalias.attr,
+ &dev_attr_description.attr,
+ &dev_attr_adr.attr,
+ &dev_attr_uid.attr,
+ &dev_attr_sun.attr,
+ &dev_attr_hrv.attr,
+ &dev_attr_status.attr,
+ &dev_attr_eject.attr,
+ &dev_attr_power_state.attr,
+ &dev_attr_real_power_state.attr,
+ NULL
+};
+static bool acpi_show_attr(struct acpi_device *dev, const struct device_attribute *attr)
+{
/*
* Devices gotten from FADT don't have a "path" attribute
*/
- if (dev->handle) {
- result = device_create_file(&dev->dev, &dev_attr_path);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_path)
+ return dev->handle;
- if (!list_empty(&dev->pnp.ids)) {
- result = device_create_file(&dev->dev, &dev_attr_hid);
- if (result)
- goto end;
+ if (attr == &dev_attr_hid || attr == &dev_attr_modalias)
+ return !list_empty(&dev->pnp.ids);
- result = device_create_file(&dev->dev, &dev_attr_modalias);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_description)
+ return acpi_has_method(dev->handle, "_STR");
- /*
- * If device has _STR, 'description' file is created
- */
- if (acpi_has_method(dev->handle, "_STR")) {
- status = acpi_evaluate_object(dev->handle, "_STR",
- NULL, &buffer);
- if (ACPI_FAILURE(status))
- buffer.pointer = NULL;
- dev->pnp.str_obj = buffer.pointer;
- result = device_create_file(&dev->dev, &dev_attr_description);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_adr)
+ return dev->pnp.type.bus_address;
- if (dev->pnp.type.bus_address)
- result = device_create_file(&dev->dev, &dev_attr_adr);
- if (acpi_device_uid(dev))
- result = device_create_file(&dev->dev, &dev_attr_uid);
+ if (attr == &dev_attr_uid)
+ return acpi_device_uid(dev);
- if (acpi_has_method(dev->handle, "_SUN")) {
- result = device_create_file(&dev->dev, &dev_attr_sun);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_sun)
+ return acpi_has_method(dev->handle, "_SUN");
- if (acpi_has_method(dev->handle, "_HRV")) {
- result = device_create_file(&dev->dev, &dev_attr_hrv);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_hrv)
+ return acpi_has_method(dev->handle, "_HRV");
- if (acpi_has_method(dev->handle, "_STA")) {
- result = device_create_file(&dev->dev, &dev_attr_status);
- if (result)
- goto end;
- }
+ if (attr == &dev_attr_status)
+ return acpi_has_method(dev->handle, "_STA");
/*
* If device has _EJ0, 'eject' file is created that is used to trigger
* hot-removal function from userland.
*/
- if (acpi_has_method(dev->handle, "_EJ0")) {
- result = device_create_file(&dev->dev, &dev_attr_eject);
- if (result)
- return result;
- }
+ if (attr == &dev_attr_eject)
+ return acpi_has_method(dev->handle, "_EJ0");
- if (dev->flags.power_manageable) {
- result = device_create_file(&dev->dev, &dev_attr_power_state);
- if (result)
- return result;
+ if (attr == &dev_attr_power_state)
+ return dev->flags.power_manageable;
- if (dev->power.flags.power_resources)
- result = device_create_file(&dev->dev,
- &dev_attr_real_power_state);
- }
+ if (attr == &dev_attr_real_power_state)
+ return dev->flags.power_manageable && dev->power.flags.power_resources;
- acpi_expose_nondev_subnodes(&dev->dev.kobj, &dev->data);
+ dev_warn_once(&dev->dev, "Unexpected attribute: %s\n", attr->attr.name);
+ return false;
+}
-end:
- return result;
+static umode_t acpi_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr,
+ int attrno)
+{
+ struct acpi_device *dev = to_acpi_device(kobj_to_dev(kobj));
+
+ if (acpi_show_attr(dev, container_of(attr, struct device_attribute, attr)))
+ return attr->mode;
+ else
+ return 0;
+}
+
+static const struct attribute_group acpi_group = {
+ .attrs = acpi_attrs,
+ .is_visible = acpi_attr_is_visible,
+};
+
+const struct attribute_group *acpi_groups[] = {
+ &acpi_group,
+ NULL
+};
+
+/**
+ * acpi_device_setup_files - Create sysfs attributes of an ACPI device.
+ * @dev: ACPI device object.
+ */
+void acpi_device_setup_files(struct acpi_device *dev)
+{
+ acpi_expose_nondev_subnodes(&dev->dev.kobj, &dev->data);
}
/**
@@ -606,41 +617,4 @@ end:
void acpi_device_remove_files(struct acpi_device *dev)
{
acpi_hide_nondev_subnodes(&dev->data);
-
- if (dev->flags.power_manageable) {
- device_remove_file(&dev->dev, &dev_attr_power_state);
- if (dev->power.flags.power_resources)
- device_remove_file(&dev->dev,
- &dev_attr_real_power_state);
- }
-
- /*
- * If device has _STR, remove 'description' file
- */
- if (acpi_has_method(dev->handle, "_STR")) {
- kfree(dev->pnp.str_obj);
- device_remove_file(&dev->dev, &dev_attr_description);
- }
- /*
- * If device has _EJ0, remove 'eject' file.
- */
- if (acpi_has_method(dev->handle, "_EJ0"))
- device_remove_file(&dev->dev, &dev_attr_eject);
-
- if (acpi_has_method(dev->handle, "_SUN"))
- device_remove_file(&dev->dev, &dev_attr_sun);
-
- if (acpi_has_method(dev->handle, "_HRV"))
- device_remove_file(&dev->dev, &dev_attr_hrv);
-
- if (acpi_device_uid(dev))
- device_remove_file(&dev->dev, &dev_attr_uid);
- if (dev->pnp.type.bus_address)
- device_remove_file(&dev->dev, &dev_attr_adr);
- device_remove_file(&dev->dev, &dev_attr_modalias);
- device_remove_file(&dev->dev, &dev_attr_hid);
- if (acpi_has_method(dev->handle, "_STA"))
- device_remove_file(&dev->dev, &dev_attr_status);
- if (dev->handle)
- device_remove_file(&dev->dev, &dev_attr_path);
}
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 38d2f6e6b12b..25399f6dde7e 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -783,6 +783,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
unsigned long tmp;
int ret = 0;
+ if (t->rdata)
+ memset(t->rdata, 0, t->rlen);
+
/* start transaction */
spin_lock_irqsave(&ec->lock, tmp);
/* Enable GPE for command processing (IBF=0/OBF=1) */
@@ -819,8 +822,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata))
return -EINVAL;
- if (t->rdata)
- memset(t->rdata, 0, t->rlen);
mutex_lock(&ec->mutex);
if (ec->global_lock) {
@@ -847,7 +848,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec)
.wdata = NULL, .rdata = &d,
.wlen = 0, .rlen = 1};
- return acpi_ec_transaction(ec, &t);
+ return acpi_ec_transaction_unlocked(ec, &t);
}
static int acpi_ec_burst_disable(struct acpi_ec *ec)
@@ -857,7 +858,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec)
.wlen = 0, .rlen = 0};
return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ?
- acpi_ec_transaction(ec, &t) : 0;
+ acpi_ec_transaction_unlocked(ec, &t) : 0;
}
static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data)
@@ -873,6 +874,19 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data)
return result;
}
+static int acpi_ec_read_unlocked(struct acpi_ec *ec, u8 address, u8 *data)
+{
+ int result;
+ u8 d;
+ struct transaction t = {.command = ACPI_EC_COMMAND_READ,
+ .wdata = &address, .rdata = &d,
+ .wlen = 1, .rlen = 1};
+
+ result = acpi_ec_transaction_unlocked(ec, &t);
+ *data = d;
+ return result;
+}
+
static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
{
u8 wdata[2] = { address, data };
@@ -883,6 +897,16 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
return acpi_ec_transaction(ec, &t);
}
+static int acpi_ec_write_unlocked(struct acpi_ec *ec, u8 address, u8 data)
+{
+ u8 wdata[2] = { address, data };
+ struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,
+ .wdata = wdata, .rdata = NULL,
+ .wlen = 2, .rlen = 0};
+
+ return acpi_ec_transaction_unlocked(ec, &t);
+}
+
int ec_read(u8 addr, u8 *val)
{
int err;
@@ -1323,6 +1347,7 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
struct acpi_ec *ec = handler_context;
int result = 0, i, bytes = bits / 8;
u8 *value = (u8 *)value64;
+ u32 glk;
if ((address > 0xFF) || !value || !handler_context)
return AE_BAD_PARAMETER;
@@ -1330,13 +1355,25 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (function != ACPI_READ && function != ACPI_WRITE)
return AE_BAD_PARAMETER;
+ mutex_lock(&ec->mutex);
+
+ if (ec->global_lock) {
+ acpi_status status;
+
+ status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
+ if (ACPI_FAILURE(status)) {
+ result = -ENODEV;
+ goto unlock;
+ }
+ }
+
if (ec->busy_polling || bits > 8)
acpi_ec_burst_enable(ec);
for (i = 0; i < bytes; ++i, ++address, ++value) {
result = (function == ACPI_READ) ?
- acpi_ec_read(ec, address, value) :
- acpi_ec_write(ec, address, *value);
+ acpi_ec_read_unlocked(ec, address, value) :
+ acpi_ec_write_unlocked(ec, address, *value);
if (result < 0)
break;
}
@@ -1344,6 +1381,12 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (ec->busy_polling || bits > 8)
acpi_ec_burst_disable(ec);
+ if (ec->global_lock)
+ acpi_release_global_lock(glk);
+
+unlock:
+ mutex_unlock(&ec->mutex);
+
switch (result) {
case -EINVAL:
return AE_BAD_PARAMETER;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index aadd4c218b32..ced7dff9a5db 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -118,8 +118,9 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
int type, void (*release)(struct device *));
int acpi_tie_acpi_dev(struct acpi_device *adev);
int acpi_device_add(struct acpi_device *device);
-int acpi_device_setup_files(struct acpi_device *dev);
+void acpi_device_setup_files(struct acpi_device *dev);
void acpi_device_remove_files(struct acpi_device *dev);
+extern const struct attribute_group *acpi_groups[];
void acpi_device_add_finalize(struct acpi_device *device);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
bool acpi_device_is_enabled(const struct acpi_device *adev);
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index aa1038b8aec4..b727db968f33 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -748,6 +748,8 @@ static int acpi_pci_link_add(struct acpi_device *device,
if (result)
kfree(link);
+ acpi_dev_clear_dependencies(device);
+
return result < 0 ? result : 1;
}
diff --git a/drivers/acpi/pmic/tps68470_pmic.c b/drivers/acpi/pmic/tps68470_pmic.c
index ebd03e472955..0d1a82eeb4b0 100644
--- a/drivers/acpi/pmic/tps68470_pmic.c
+++ b/drivers/acpi/pmic/tps68470_pmic.c
@@ -376,10 +376,8 @@ static int tps68470_pmic_opregion_probe(struct platform_device *pdev)
struct tps68470_pmic_opregion *opregion;
acpi_status status;
- if (!dev || !tps68470_regmap) {
- dev_warn(dev, "dev or regmap is NULL\n");
- return -EINVAL;
- }
+ if (!tps68470_regmap)
+ return dev_err_probe(dev, -EINVAL, "regmap is missing\n");
if (!handle) {
dev_warn(dev, "acpi handle is NULL\n");
diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile
index 86b0925f612d..a96fdf1e2cb8 100644
--- a/drivers/acpi/riscv/Makefile
+++ b/drivers/acpi/riscv/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-y += rhct.o
+obj-y += rhct.o init.o irq.o
obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o
obj-$(CONFIG_ACPI_CPPC_LIB) += cppc.o
diff --git a/drivers/acpi/riscv/init.c b/drivers/acpi/riscv/init.c
new file mode 100644
index 000000000000..5ef97905a727
--- /dev/null
+++ b/drivers/acpi/riscv/init.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023-2024, Ventana Micro Systems Inc
+ * Author: Sunil V L <sunilvl@ventanamicro.com>
+ */
+
+#include <linux/acpi.h>
+#include "init.h"
+
+void __init acpi_riscv_init(void)
+{
+ riscv_acpi_init_gsi_mapping();
+}
diff --git a/drivers/acpi/riscv/init.h b/drivers/acpi/riscv/init.h
new file mode 100644
index 000000000000..0b9a07e4031f
--- /dev/null
+++ b/drivers/acpi/riscv/init.h
@@ -0,0 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#include <linux/init.h>
+
+void __init riscv_acpi_init_gsi_mapping(void);
diff --git a/drivers/acpi/riscv/irq.c b/drivers/acpi/riscv/irq.c
new file mode 100644
index 000000000000..cced960c2aef
--- /dev/null
+++ b/drivers/acpi/riscv/irq.c
@@ -0,0 +1,335 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023-2024, Ventana Micro Systems Inc
+ * Author: Sunil V L <sunilvl@ventanamicro.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/sort.h>
+#include <linux/irq.h>
+
+#include "init.h"
+
+struct riscv_ext_intc_list {
+ acpi_handle handle;
+ u32 gsi_base;
+ u32 nr_irqs;
+ u32 nr_idcs;
+ u32 id;
+ u32 type;
+ struct list_head list;
+};
+
+struct acpi_irq_dep_ctx {
+ int rc;
+ unsigned int index;
+ acpi_handle handle;
+};
+
+LIST_HEAD(ext_intc_list);
+
+static int irqchip_cmp_func(const void *in0, const void *in1)
+{
+ struct acpi_probe_entry *elem0 = (struct acpi_probe_entry *)in0;
+ struct acpi_probe_entry *elem1 = (struct acpi_probe_entry *)in1;
+
+ return (elem0->type > elem1->type) - (elem0->type < elem1->type);
+}
+
+/*
+ * On RISC-V, RINTC structures in MADT should be probed before any other
+ * interrupt controller structures and IMSIC before APLIC. The interrupt
+ * controller subtypes in MADT of ACPI spec for RISC-V are defined in
+ * the incremental order like RINTC(24)->IMSIC(25)->APLIC(26)->PLIC(27).
+ * Hence, simply sorting the subtypes in incremental order will
+ * establish the required order.
+ */
+void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr)
+{
+ struct acpi_probe_entry *ape = ap_head;
+
+ if (nr == 1 || !ACPI_COMPARE_NAMESEG(ACPI_SIG_MADT, ape->id))
+ return;
+ sort(ape, nr, sizeof(*ape), irqchip_cmp_func, NULL);
+}
+
+static acpi_status riscv_acpi_update_gsi_handle(u32 gsi_base, acpi_handle handle)
+{
+ struct riscv_ext_intc_list *ext_intc_element;
+ struct list_head *i, *tmp;
+
+ list_for_each_safe(i, tmp, &ext_intc_list) {
+ ext_intc_element = list_entry(i, struct riscv_ext_intc_list, list);
+ if (gsi_base == ext_intc_element->gsi_base) {
+ ext_intc_element->handle = handle;
+ return AE_OK;
+ }
+ }
+
+ return AE_NOT_FOUND;
+}
+
+int riscv_acpi_get_gsi_info(struct fwnode_handle *fwnode, u32 *gsi_base,
+ u32 *id, u32 *nr_irqs, u32 *nr_idcs)
+{
+ struct riscv_ext_intc_list *ext_intc_element;
+ struct list_head *i;
+
+ list_for_each(i, &ext_intc_list) {
+ ext_intc_element = list_entry(i, struct riscv_ext_intc_list, list);
+ if (ext_intc_element->handle == ACPI_HANDLE_FWNODE(fwnode)) {
+ *gsi_base = ext_intc_element->gsi_base;
+ *id = ext_intc_element->id;
+ *nr_irqs = ext_intc_element->nr_irqs;
+ if (nr_idcs)
+ *nr_idcs = ext_intc_element->nr_idcs;
+
+ return 0;
+ }
+ }
+
+ return -ENODEV;
+}
+
+struct fwnode_handle *riscv_acpi_get_gsi_domain_id(u32 gsi)
+{
+ struct riscv_ext_intc_list *ext_intc_element;
+ struct acpi_device *adev;
+ struct list_head *i;
+
+ list_for_each(i, &ext_intc_list) {
+ ext_intc_element = list_entry(i, struct riscv_ext_intc_list, list);
+ if (gsi >= ext_intc_element->gsi_base &&
+ gsi < (ext_intc_element->gsi_base + ext_intc_element->nr_irqs)) {
+ adev = acpi_fetch_acpi_dev(ext_intc_element->handle);
+ if (!adev)
+ return NULL;
+
+ return acpi_fwnode_handle(adev);
+ }
+ }
+
+ return NULL;
+}
+
+static int __init riscv_acpi_register_ext_intc(u32 gsi_base, u32 nr_irqs, u32 nr_idcs,
+ u32 id, u32 type)
+{
+ struct riscv_ext_intc_list *ext_intc_element;
+
+ ext_intc_element = kzalloc(sizeof(*ext_intc_element), GFP_KERNEL);
+ if (!ext_intc_element)
+ return -ENOMEM;
+
+ ext_intc_element->gsi_base = gsi_base;
+ ext_intc_element->nr_irqs = nr_irqs;
+ ext_intc_element->nr_idcs = nr_idcs;
+ ext_intc_element->id = id;
+ list_add_tail(&ext_intc_element->list, &ext_intc_list);
+ return 0;
+}
+
+static acpi_status __init riscv_acpi_create_gsi_map(acpi_handle handle, u32 level,
+ void *context, void **return_value)
+{
+ acpi_status status;
+ u64 gbase;
+
+ if (!acpi_has_method(handle, "_GSB")) {
+ acpi_handle_err(handle, "_GSB method not found\n");
+ return AE_ERROR;
+ }
+
+ status = acpi_evaluate_integer(handle, "_GSB", NULL, &gbase);
+ if (ACPI_FAILURE(status)) {
+ acpi_handle_err(handle, "failed to evaluate _GSB method\n");
+ return status;
+ }
+
+ status = riscv_acpi_update_gsi_handle((u32)gbase, handle);
+ if (ACPI_FAILURE(status)) {
+ acpi_handle_err(handle, "failed to find the GSI mapping entry\n");
+ return status;
+ }
+
+ return AE_OK;
+}
+
+static int __init riscv_acpi_aplic_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
+{
+ struct acpi_madt_aplic *aplic = (struct acpi_madt_aplic *)header;
+
+ return riscv_acpi_register_ext_intc(aplic->gsi_base, aplic->num_sources, aplic->num_idcs,
+ aplic->id, ACPI_RISCV_IRQCHIP_APLIC);
+}
+
+static int __init riscv_acpi_plic_parse_madt(union acpi_subtable_headers *header,
+ const unsigned long end)
+{
+ struct acpi_madt_plic *plic = (struct acpi_madt_plic *)header;
+
+ return riscv_acpi_register_ext_intc(plic->gsi_base, plic->num_irqs, 0,
+ plic->id, ACPI_RISCV_IRQCHIP_PLIC);
+}
+
+void __init riscv_acpi_init_gsi_mapping(void)
+{
+ /* There can be either PLIC or APLIC */
+ if (acpi_table_parse_madt(ACPI_MADT_TYPE_PLIC, riscv_acpi_plic_parse_madt, 0) > 0) {
+ acpi_get_devices("RSCV0001", riscv_acpi_create_gsi_map, NULL, NULL);
+ return;
+ }
+
+ if (acpi_table_parse_madt(ACPI_MADT_TYPE_APLIC, riscv_acpi_aplic_parse_madt, 0) > 0)
+ acpi_get_devices("RSCV0002", riscv_acpi_create_gsi_map, NULL, NULL);
+}
+
+static acpi_handle riscv_acpi_get_gsi_handle(u32 gsi)
+{
+ struct riscv_ext_intc_list *ext_intc_element;
+ struct list_head *i;
+
+ list_for_each(i, &ext_intc_list) {
+ ext_intc_element = list_entry(i, struct riscv_ext_intc_list, list);
+ if (gsi >= ext_intc_element->gsi_base &&
+ gsi < (ext_intc_element->gsi_base + ext_intc_element->nr_irqs))
+ return ext_intc_element->handle;
+ }
+
+ return NULL;
+}
+
+static acpi_status riscv_acpi_irq_get_parent(struct acpi_resource *ares, void *context)
+{
+ struct acpi_irq_dep_ctx *ctx = context;
+ struct acpi_resource_irq *irq;
+ struct acpi_resource_extended_irq *eirq;
+
+ switch (ares->type) {
+ case ACPI_RESOURCE_TYPE_IRQ:
+ irq = &ares->data.irq;
+ if (ctx->index >= irq->interrupt_count) {
+ ctx->index -= irq->interrupt_count;
+ return AE_OK;
+ }
+ ctx->handle = riscv_acpi_get_gsi_handle(irq->interrupts[ctx->index]);
+ return AE_CTRL_TERMINATE;
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ eirq = &ares->data.extended_irq;
+ if (eirq->producer_consumer == ACPI_PRODUCER)
+ return AE_OK;
+
+ if (ctx->index >= eirq->interrupt_count) {
+ ctx->index -= eirq->interrupt_count;
+ return AE_OK;
+ }
+
+ /* Support GSIs only */
+ if (eirq->resource_source.string_length)
+ return AE_OK;
+
+ ctx->handle = riscv_acpi_get_gsi_handle(eirq->interrupts[ctx->index]);
+ return AE_CTRL_TERMINATE;
+ }
+
+ return AE_OK;
+}
+
+static int riscv_acpi_irq_get_dep(acpi_handle handle, unsigned int index, acpi_handle *gsi_handle)
+{
+ struct acpi_irq_dep_ctx ctx = {-EINVAL, index, NULL};
+
+ if (!gsi_handle)
+ return 0;
+
+ acpi_walk_resources(handle, METHOD_NAME__CRS, riscv_acpi_irq_get_parent, &ctx);
+ *gsi_handle = ctx.handle;
+ if (*gsi_handle)
+ return 1;
+
+ return 0;
+}
+
+static u32 riscv_acpi_add_prt_dep(acpi_handle handle)
+{
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_pci_routing_table *entry;
+ struct acpi_handle_list dep_devices;
+ acpi_handle gsi_handle;
+ acpi_handle link_handle;
+ acpi_status status;
+ u32 count = 0;
+
+ status = acpi_get_irq_routing_table(handle, &buffer);
+ if (ACPI_FAILURE(status)) {
+ acpi_handle_err(handle, "failed to get IRQ routing table\n");
+ kfree(buffer.pointer);
+ return 0;
+ }
+
+ entry = buffer.pointer;
+ while (entry && (entry->length > 0)) {
+ if (entry->source[0]) {
+ acpi_get_handle(handle, entry->source, &link_handle);
+ dep_devices.count = 1;
+ dep_devices.handles = kcalloc(1, sizeof(*dep_devices.handles), GFP_KERNEL);
+ if (!dep_devices.handles) {
+ acpi_handle_err(handle, "failed to allocate memory\n");
+ continue;
+ }
+
+ dep_devices.handles[0] = link_handle;
+ count += acpi_scan_add_dep(handle, &dep_devices);
+ } else {
+ gsi_handle = riscv_acpi_get_gsi_handle(entry->source_index);
+ dep_devices.count = 1;
+ dep_devices.handles = kcalloc(1, sizeof(*dep_devices.handles), GFP_KERNEL);
+ if (!dep_devices.handles) {
+ acpi_handle_err(handle, "failed to allocate memory\n");
+ continue;
+ }
+
+ dep_devices.handles[0] = gsi_handle;
+ count += acpi_scan_add_dep(handle, &dep_devices);
+ }
+
+ entry = (struct acpi_pci_routing_table *)
+ ((unsigned long)entry + entry->length);
+ }
+
+ kfree(buffer.pointer);
+ return count;
+}
+
+static u32 riscv_acpi_add_irq_dep(acpi_handle handle)
+{
+ struct acpi_handle_list dep_devices;
+ acpi_handle gsi_handle;
+ u32 count = 0;
+ int i;
+
+ for (i = 0;
+ riscv_acpi_irq_get_dep(handle, i, &gsi_handle);
+ i++) {
+ dep_devices.count = 1;
+ dep_devices.handles = kcalloc(1, sizeof(*dep_devices.handles), GFP_KERNEL);
+ if (!dep_devices.handles) {
+ acpi_handle_err(handle, "failed to allocate memory\n");
+ continue;
+ }
+
+ dep_devices.handles[0] = gsi_handle;
+ count += acpi_scan_add_dep(handle, &dep_devices);
+ }
+
+ return count;
+}
+
+u32 arch_acpi_add_auto_dep(acpi_handle handle)
+{
+ if (acpi_has_method(handle, "_PRT"))
+ return riscv_acpi_add_prt_dep(handle);
+
+ return riscv_acpi_add_irq_dep(handle);
+}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 22ae7829a915..7ecc401fb97f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -795,10 +795,7 @@ int acpi_device_add(struct acpi_device *device)
goto err;
}
- result = acpi_device_setup_files(device);
- if (result)
- pr_err("Error creating sysfs interface for device %s\n",
- dev_name(&device->dev));
+ acpi_device_setup_files(device);
return 0;
@@ -861,6 +858,9 @@ static const char * const acpi_honor_dep_ids[] = {
"INTC1095", /* IVSC (ADL) driver must be loaded to allow i2c access to camera sensors */
"INTC100A", /* IVSC (RPL) driver must be loaded to allow i2c access to camera sensors */
"INTC10CF", /* IVSC (MTL) driver must be loaded to allow i2c access to camera sensors */
+ "RSCV0001", /* RISC-V PLIC */
+ "RSCV0002", /* RISC-V APLIC */
+ "PNP0C0F", /* PCI Link Device */
NULL
};
@@ -1822,6 +1822,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
device->dev.parent = parent ? &parent->dev : NULL;
device->dev.release = release;
device->dev.bus = &acpi_bus_type;
+ device->dev.groups = acpi_groups;
fwnode_init(&device->fwnode, &acpi_device_fwnode_ops);
acpi_set_device_status(device, ACPI_STA_DEFAULT);
acpi_device_get_busid(device);
@@ -2013,6 +2014,49 @@ void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val)
mutex_unlock(&acpi_scan_lock);
}
+int acpi_scan_add_dep(acpi_handle handle, struct acpi_handle_list *dep_devices)
+{
+ u32 count;
+ int i;
+
+ for (count = 0, i = 0; i < dep_devices->count; i++) {
+ struct acpi_device_info *info;
+ struct acpi_dep_data *dep;
+ bool skip, honor_dep;
+ acpi_status status;
+
+ status = acpi_get_object_info(dep_devices->handles[i], &info);
+ if (ACPI_FAILURE(status)) {
+ acpi_handle_debug(handle, "Error reading _DEP device info\n");
+ continue;
+ }
+
+ skip = acpi_info_matches_ids(info, acpi_ignore_dep_ids);
+ honor_dep = acpi_info_matches_ids(info, acpi_honor_dep_ids);
+ kfree(info);
+
+ if (skip)
+ continue;
+
+ dep = kzalloc(sizeof(*dep), GFP_KERNEL);
+ if (!dep)
+ continue;
+
+ count++;
+
+ dep->supplier = dep_devices->handles[i];
+ dep->consumer = handle;
+ dep->honor_dep = honor_dep;
+
+ mutex_lock(&acpi_dep_list_lock);
+ list_add_tail(&dep->node, &acpi_dep_list);
+ mutex_unlock(&acpi_dep_list_lock);
+ }
+
+ acpi_handle_list_free(dep_devices);
+ return count;
+}
+
static void acpi_scan_init_hotplug(struct acpi_device *adev)
{
struct acpi_hardware_id *hwid;
@@ -2032,11 +2076,21 @@ static void acpi_scan_init_hotplug(struct acpi_device *adev)
}
}
+u32 __weak arch_acpi_add_auto_dep(acpi_handle handle) { return 0; }
+
static u32 acpi_scan_check_dep(acpi_handle handle)
{
struct acpi_handle_list dep_devices;
- u32 count;
- int i;
+ u32 count = 0;
+
+ /*
+ * Some architectures like RISC-V need to add dependencies for
+ * all devices which use GSI to the interrupt controller so that
+ * interrupt controller is probed before any of those devices.
+ * Instead of mandating _DEP on all the devices, detect the
+ * dependency and add automatically.
+ */
+ count += arch_acpi_add_auto_dep(handle);
/*
* Check for _HID here to avoid deferring the enumeration of:
@@ -2045,48 +2099,14 @@ static u32 acpi_scan_check_dep(acpi_handle handle)
* Still, checking for _HID catches more then just these cases ...
*/
if (!acpi_has_method(handle, "_DEP") || !acpi_has_method(handle, "_HID"))
- return 0;
+ return count;
if (!acpi_evaluate_reference(handle, "_DEP", NULL, &dep_devices)) {
acpi_handle_debug(handle, "Failed to evaluate _DEP.\n");
- return 0;
- }
-
- for (count = 0, i = 0; i < dep_devices.count; i++) {
- struct acpi_device_info *info;
- struct acpi_dep_data *dep;
- bool skip, honor_dep;
- acpi_status status;
-
- status = acpi_get_object_info(dep_devices.handles[i], &info);
- if (ACPI_FAILURE(status)) {
- acpi_handle_debug(handle, "Error reading _DEP device info\n");
- continue;
- }
-
- skip = acpi_info_matches_ids(info, acpi_ignore_dep_ids);
- honor_dep = acpi_info_matches_ids(info, acpi_honor_dep_ids);
- kfree(info);
-
- if (skip)
- continue;
-
- dep = kzalloc(sizeof(*dep), GFP_KERNEL);
- if (!dep)
- continue;
-
- count++;
-
- dep->supplier = dep_devices.handles[i];
- dep->consumer = handle;
- dep->honor_dep = honor_dep;
-
- mutex_lock(&acpi_dep_list_lock);
- list_add_tail(&dep->node , &acpi_dep_list);
- mutex_unlock(&acpi_dep_list_lock);
+ return count;
}
- acpi_handle_list_free(&dep_devices);
+ count += acpi_scan_add_dep(handle, &dep_devices);
return count;
}
@@ -2757,6 +2777,8 @@ static int __init acpi_match_madt(union acpi_subtable_headers *header,
return 0;
}
+void __weak arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr) { }
+
int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
{
int count = 0;
@@ -2765,6 +2787,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
return 0;
mutex_lock(&acpi_probe_mutex);
+ arch_sort_irqchip_probe(ap_head, nr);
for (ape = ap_head; nr; ape++, nr--) {
if (ACPI_COMPARE_NAMESEG(ACPI_SIG_MADT, ape->id)) {
acpi_probe_count = 0;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 889f1c1a1fa9..c8ee8e42b0f6 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -352,6 +352,20 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
},
},
/*
+ * The ASUS ROG M16 from 2023 has many events which wake it from s2idle
+ * resulting in excessive battery drain and risk of laptop overheating,
+ * these events can be caused by the MMC or y AniMe display if installed.
+ * The match is valid for all of the GU604V<x> range.
+ */
+ {
+ .callback = init_default_s3,
+ .ident = "ASUS ROG Zephyrus M16 (2023)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ROG Zephyrus M16 GU604V"),
+ },
+ },
+ /*
* https://bugzilla.kernel.org/show_bug.cgi?id=189431
* Lenovo G50-45 is a platform later than 2012, but needs nvs memory
* saving during S3.
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index ae9384282273..6de542d99518 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -801,7 +801,8 @@ acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid, u64 rev, u64 func,
if (ret != AE_NOT_FOUND)
acpi_handle_warn(handle,
- "failed to evaluate _DSM %pUb (0x%x)\n", guid, ret);
+ "failed to evaluate _DSM %pUb rev:%lld func:%lld (0x%x)\n",
+ guid, rev, func, ret);
return NULL;
}