From aa9d36060fb7480a5907660b7ba61c3fda20fc61 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Wed, 26 May 2010 11:03:56 +0800
Subject: ACPICA: Add comment: _BCL cannot be sorted on the fly

Because of package index values used for _BQC and _BCM.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/nsrepair2.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 61bd0f6755d..4009498fbab 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -112,6 +112,13 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
  * _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs
  * _PSS: Sort the list descending by Power
  * _TSS: Sort the list descending by Power
+ *
+ * Names that must be packages, but cannot be sorted:
+ *
+ * _BCL: Values are tied to the Package index where they appear, and cannot
+ * be moved or sorted. These index values are used for _BQC and _BCM.
+ * However, we can fix the case where a buffer is returned, by converting
+ * it to a Package of integers.
  */
 static const struct acpi_repair_info acpi_ns_repairable_names[] = {
 	{"_ALR", acpi_ns_repair_ALR},
-- 
cgit v1.2.3-18-g5258


From 507f7d5e27015be1e5dda5c56bb5e10315b76f71 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Wed, 26 May 2010 11:18:35 +0800
Subject: ACPICA: iASL/Core: Add support for _WDG/_WED MS methods

These objects are defined by "Windows Instrumentation", and are
not part of the ACPI spec. Adds compiler support and runtime
typechecking support in the ACPICA core. ACPICA BZ 860.

http://www.acpica.org/bugzilla/show_bug.cgi?id=860

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/acpredef.h | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 97116082cb6..10998d369ad 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -503,15 +503,16 @@ static const union acpi_predefined_info predefined_names[] =
 	{{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
 			  {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
 
-	{{{0,0,0,0}, 0,0}} /* Table terminator */
-};
+	/* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
 
-#if 0
-	/* Not implemented */
+	{{"_WDG", 0, ACPI_RTYPE_BUFFER}},
+	{{"_WED", 1,
+	  ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}},
 
-	{{"_WDG", 0, ACPI_RTYPE_BUFFER}},  /* MS Extension */
-	{{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
+	{{{0, 0, 0, 0}, 0, 0}}  /* Table terminator */
+};
 
+#if 0
 	/* This is an internally implemented control method, no need to check */
 	{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
 
-- 
cgit v1.2.3-18-g5258


From 96b7b7ad79e4bd8a0ae67dd201f7532ef4abf1c1 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Wed, 26 May 2010 11:20:47 +0800
Subject: ACPICA: Expand initialization counters to 32 bits

Expand the various initialization counters from 16-bit to 32-bit.
Allows for very large namespaces.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/acstruct.h | 26 +++++++++++++-------------
 drivers/acpi/acpica/dsinit.c   | 14 +++++++-------
 drivers/acpi/acpica/nsinit.c   |  8 ++++----
 3 files changed, 24 insertions(+), 24 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 161bc0e3d70..0e2c66af3c9 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -127,22 +127,22 @@ struct acpi_walk_state {
 	acpi_parse_upwards ascending_callback;
 };
 
-/* Info used by acpi_ps_init_objects */
+/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
 
 struct acpi_init_walk_info {
-	u16 method_count;
-	u16 device_count;
-	u16 op_region_count;
-	u16 field_count;
-	u16 buffer_count;
-	u16 package_count;
-	u16 op_region_init;
-	u16 field_init;
-	u16 buffer_init;
-	u16 package_init;
-	u16 object_count;
-	acpi_owner_id owner_id;
 	u32 table_index;
+	u32 object_count;
+	u32 method_count;
+	u32 device_count;
+	u32 op_region_count;
+	u32 field_count;
+	u32 buffer_count;
+	u32 package_count;
+	u32 op_region_init;
+	u32 field_init;
+	u32 buffer_init;
+	u32 package_init;
+	acpi_owner_id owner_id;
 };
 
 struct acpi_get_devices_info {
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index abe140318a7..cc4a38c5755 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -171,12 +171,12 @@ acpi_ds_initialize_objects(u32 table_index,
 			  "**** Starting initialization of namespace objects ****\n"));
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
 
-	info.method_count = 0;
-	info.op_region_count = 0;
-	info.object_count = 0;
-	info.device_count = 0;
-	info.table_index = table_index;
+	/* Set all init info to zero */
+
+	ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info));
+
 	info.owner_id = owner_id;
+	info.table_index = table_index;
 
 	/* Walk entire namespace from the supplied root */
 
@@ -204,13 +204,13 @@ acpi_ds_initialize_objects(u32 table_index,
 	}
 
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
+			      "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
 			      table->signature, owner_id, info.object_count,
 			      info.device_count, info.method_count,
 			      info.op_region_count));
 
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Methods, %hd Regions\n", info.method_count,
+			  "%u Methods, %u Regions\n", info.method_count,
 			  info.op_region_count));
 
 	return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 4e5272c313e..88145820d88 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -103,8 +103,8 @@ acpi_status acpi_ns_initialize_objects(void)
 	}
 
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd "
-			      "Buffers %hd/%hd Packages (%hd nodes)\n",
+			      "\nInitialized %u/%u Regions %u/%u Fields %u/%u "
+			      "Buffers %u/%u Packages (%u nodes)\n",
 			      info.op_region_init, info.op_region_count,
 			      info.field_init, info.field_count,
 			      info.buffer_init, info.buffer_count,
@@ -112,9 +112,9 @@ acpi_status acpi_ns_initialize_objects(void)
 			      info.object_count));
 
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Control Methods found\n", info.method_count));
+			  "%u Control Methods found\n", info.method_count));
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "%hd Op Regions found\n", info.op_region_count));
+			  "%u Op Regions found\n", info.op_region_count));
 
 	return_ACPI_STATUS(AE_OK);
 }
-- 
cgit v1.2.3-18-g5258


From b27d65975c252ff774edff8e01f0a9fd46d8ab62 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Wed, 26 May 2010 11:47:13 +0800
Subject: ACPICA: Core: Replace all %d format specifiers with %u (unsigned)

With only a few exceptions, ACPICA does not use signed integers.
Therefore, %d is incorrect.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/dsmethod.c |  2 +-
 drivers/acpi/acpica/dsmthdat.c | 10 +++++-----
 drivers/acpi/acpica/dsutils.c  |  4 ++--
 drivers/acpi/acpica/exdump.c   |  4 ++--
 drivers/acpi/acpica/exfldio.c  |  4 ++--
 drivers/acpi/acpica/exprep.c   | 14 +++++++-------
 drivers/acpi/acpica/exregion.c |  6 +++---
 drivers/acpi/acpica/hwsleep.c  |  2 +-
 drivers/acpi/acpica/nsaccess.c |  4 ++--
 drivers/acpi/acpica/nsdump.c   |  2 +-
 drivers/acpi/acpica/nsparse.c  |  4 ++--
 11 files changed, 28 insertions(+), 28 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 2a9a561c2f0..00846333773 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -605,7 +605,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 		 * we immediately reuse it for the next thread executing this method
 		 */
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "*** Completed execution of one thread, %d threads remaining\n",
+				  "*** Completed execution of one thread, %u threads remaining\n",
 				  method_desc->method.thread_count));
 	} else {
 		/* This is the only executing thread for this method */
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index f3d52f59250..d5e927f818a 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -146,7 +146,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
 
 	for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
 		if (walk_state->local_variables[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
+			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%u=%p\n",
 					  index,
 					  walk_state->local_variables[index].
 					  object));
@@ -162,7 +162,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
 
 	for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
 		if (walk_state->arguments[index].object) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
+			ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%u=%p\n",
 					  index,
 					  walk_state->arguments[index].object));
 
@@ -226,7 +226,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
 		index++;
 	}
 
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
+	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index));
 	return_ACPI_STATUS(AE_OK);
 }
 
@@ -323,7 +323,7 @@ acpi_ds_method_data_set_value(u8 type,
 	ACPI_FUNCTION_TRACE(ds_method_data_set_value);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
+			  "NewObj %p Type %2.2X, Refs=%u [%s]\n", object,
 			  type, object->common.reference_count,
 			  acpi_ut_get_type_name(object->common.type)));
 
@@ -543,7 +543,7 @@ acpi_ds_store_object_to_local(u8 type,
 	union acpi_operand_object *new_obj_desc;
 
 	ACPI_FUNCTION_TRACE(ds_store_object_to_local);
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
+	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%u Obj=%p\n",
 			  type, index, obj_desc));
 
 	/* Parameter validation */
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index 306c62ab2e8..15135c25aa9 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -746,7 +746,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 		index--;
 
 		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "Arg #%d (%p) done, Arg1=%p\n", index, arg,
+				  "Arg #%u (%p) done, Arg1=%p\n", index, arg,
 				  first_arg));
 	}
 
@@ -760,7 +760,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 	 */
 	acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
 
-	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %d", index));
+	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
 	return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index d39d438ba1e..cdb66d1e3fd 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -742,7 +742,7 @@ acpi_ex_dump_operands(union acpi_operand_object **operands,
 	}
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "**** Start operand dump for opcode [%s], %d operands\n",
+			  "**** Start operand dump for opcode [%s], %u operands\n",
 			  opcode_name, num_operands));
 
 	if (num_operands == 0) {
@@ -945,7 +945,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
 
 	case ACPI_TYPE_PACKAGE:
 
-		acpi_os_printf("[Package] Contains %d Elements:\n",
+		acpi_os_printf("[Package] Contains %u Elements:\n",
 			       obj_desc->package.count);
 
 		for (i = 0; i < obj_desc->package.count; i++) {
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index a6dc26f0b3b..047217303a4 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -534,13 +534,13 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
 	if (ACPI_SUCCESS(status)) {
 		if (read_write == ACPI_READ) {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Value Read %8.8X%8.8X, Width %d\n",
+					  "Value Read %8.8X%8.8X, Width %u\n",
 					  ACPI_FORMAT_UINT64(*value),
 					  obj_desc->common_field.
 					  access_byte_width));
 		} else {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Value Written %8.8X%8.8X, Width %d\n",
+					  "Value Written %8.8X%8.8X, Width %u\n",
 					  ACPI_FORMAT_UINT64(*value),
 					  obj_desc->common_field.
 					  access_byte_width));
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 25059dace0a..0686f271c61 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -108,11 +108,11 @@ acpi_ex_generate_access(u32 field_bit_offset,
 	field_byte_length = field_byte_end_offset - field_byte_offset;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Bit length %d, Bit offset %d\n",
+			  "Bit length %u, Bit offset %u\n",
 			  field_bit_length, field_bit_offset));
 
 	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Byte Length %d, Byte Offset %d, End Offset %d\n",
+			  "Byte Length %u, Byte Offset %u, End Offset %u\n",
 			  field_byte_length, field_byte_offset,
 			  field_byte_end_offset));
 
@@ -147,11 +147,11 @@ acpi_ex_generate_access(u32 field_bit_offset,
 			accesses = field_end_offset - field_start_offset;
 
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is within region\n",
+					  "AccessWidth %u end is within region\n",
 					  access_byte_width));
 
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Field Start %d, Field End %d -- requires %d accesses\n",
+					  "Field Start %u, Field End %u -- requires %u accesses\n",
 					  field_start_offset, field_end_offset,
 					  accesses));
 
@@ -159,7 +159,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
 
 			if (accesses <= 1) {
 				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-						  "Entire field can be accessed with one operation of size %d\n",
+						  "Entire field can be accessed with one operation of size %u\n",
 						  access_byte_width));
 				return_VALUE(access_byte_width);
 			}
@@ -174,7 +174,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
 			}
 		} else {
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is NOT within region\n",
+					  "AccessWidth %u end is NOT within region\n",
 					  access_byte_width));
 			if (access_byte_width == 1) {
 				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -190,7 +190,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
 			 * previous access
 			 */
 			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Backing off to previous optimal access width of %d\n",
+					  "Backing off to previous optimal access width of %u\n",
 					  minimum_access_width));
 			return_VALUE(minimum_access_width);
 		}
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 531000fc77d..8819d2ac5ae 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -194,7 +194,7 @@ acpi_ex_system_memory_space_handler(u32 function,
 	    ((u64) address - (u64) mem_info->mapped_physical_address);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n",
+			  "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n",
 			  bit_width, function,
 			  ACPI_FORMAT_NATIVE_UINT(address)));
 
@@ -297,7 +297,7 @@ acpi_ex_system_io_space_handler(u32 function,
 	ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n",
+			  "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n",
 			  bit_width, function,
 			  ACPI_FORMAT_NATIVE_UINT(address)));
 
@@ -373,7 +373,7 @@ acpi_ex_pci_config_space_handler(u32 function,
 	pci_register = (u16) (u32) address;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-			  "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
+			  "Pci-Config %u (%u) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
 			  function, bit_width, pci_id->segment, pci_id->bus,
 			  pci_id->device, pci_id->function, pci_register));
 
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 36eb803dd9d..3796811276a 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -307,7 +307,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 		return_ACPI_STATUS(status);
 	}
 	ACPI_DEBUG_PRINT((ACPI_DB_INIT,
-			  "Entering sleep state [S%d]\n", sleep_state));
+			  "Entering sleep state [S%u]\n", sleep_state));
 
 	/* Clear the SLP_EN and SLP_TYP fields */
 
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 3a2814676ac..2cebfa94b79 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -433,7 +433,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
 
 			if (search_parent_flag == ACPI_NS_NO_UPSEARCH) {
 				ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
-						  "Search scope is [%4.4s], path has %d carat(s)\n",
+						  "Search scope is [%4.4s], path has %u carat(s)\n",
 						  acpi_ut_get_node_name
 						  (this_node), num_carats));
 			}
@@ -495,7 +495,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
 			path++;
 
 			ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
-					  "Multi Pathname (%d Segments, Flags=%X)\n",
+					  "Multi Pathname (%u Segments, Flags=%X)\n",
 					  num_segments, flags));
 			break;
 
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 2110cc2360f..a54dc39e304 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -441,7 +441,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 			return (AE_OK);
 		}
 
-		acpi_os_printf("(R%d)", obj_desc->common.reference_count);
+		acpi_os_printf("(R%u)", obj_desc->common.reference_count);
 
 		switch (type) {
 		case ACPI_TYPE_METHOD:
diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c
index 27cda52c76b..5808c89e9fa 100644
--- a/drivers/acpi/acpica/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -136,8 +136,8 @@ acpi_ns_one_complete_parse(u32 pass_number,
 
 	/* Parse the AML */
 
-	ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %d parse\n",
-			  (unsigned)pass_number));
+	ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %u parse\n",
+			  pass_number));
 	status = acpi_ps_parse_aml(walk_state);
 
       cleanup:
-- 
cgit v1.2.3-18-g5258


From 5821f75421aa7c7bafdec291223153597f649934 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Wed, 26 May 2010 11:48:22 +0800
Subject: ACPICA: Expand device initialization counters to 32 bits

Expand the various device initialization counters from 16-bit
to 32-bit.  Allows for very large namespaces.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/acstruct.h | 6 +++---
 drivers/acpi/acpica/nsinit.c   | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 0e2c66af3c9..6e5dd97949f 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -201,11 +201,11 @@ struct acpi_evaluate_info {
 /* Info used by acpi_ns_initialize_devices */
 
 struct acpi_device_walk_info {
-	u16 device_count;
-	u16 num_STA;
-	u16 num_INI;
 	struct acpi_table_desc *table_desc;
 	struct acpi_evaluate_info *evaluate_info;
+	u32 device_count;
+	u32 num_STA;
+	u32 num_INI;
 };
 
 /* TBD: [Restructure] Merge with struct above */
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 88145820d88..f0e49df7c13 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -208,8 +208,8 @@ acpi_status acpi_ns_initialize_devices(void)
 	}
 
 	ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
-			      "\nExecuted %hd _INI methods requiring %hd _STA executions "
-			      "(examined %hd objects)\n",
+			      "\nExecuted %u _INI methods requiring %u _STA executions "
+			      "(examined %u objects)\n",
 			      info.num_INI, info.num_STA, info.device_count));
 
 	return_ACPI_STATUS(status);
-- 
cgit v1.2.3-18-g5258


From c45b5c097001480e66d4c523eb715ad317a4ef77 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Wed, 26 May 2010 11:53:07 +0800
Subject: ACPICA: Performance enhancement for namespace search and access

This change enhances the performance of namespace searches and
walks by adding a backpointer to the parent in each namespace
node. On large namespaces, this change can improve overall ACPI
performance by up to 9X.  Adding a pointer to each namespace node
increases the overall size of the internal namespace by about 5%,
since each namespace entry usually consists of both a namespace
node and an ACPI operand object.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/aclocal.h  |   5 +-
 drivers/acpi/acpica/acnamesp.h |   7 ---
 drivers/acpi/acpica/dsmthdat.c |   6 +--
 drivers/acpi/acpica/dsopcode.c |   6 +--
 drivers/acpi/acpica/evrgnini.c |  10 ++--
 drivers/acpi/acpica/exdump.c   |   2 +-
 drivers/acpi/acpica/nsaccess.c |   5 +-
 drivers/acpi/acpica/nsalloc.c  |  74 +++++++++------------------
 drivers/acpi/acpica/nsinit.c   |   4 +-
 drivers/acpi/acpica/nsnames.c  |   4 +-
 drivers/acpi/acpica/nssearch.c |  15 +-----
 drivers/acpi/acpica/nsutils.c  | 113 -----------------------------------------
 drivers/acpi/acpica/nswalk.c   |  15 ++----
 drivers/acpi/acpica/nsxfobj.c  |   2 +-
 drivers/acpi/acpica/utglobal.c |   2 +-
 15 files changed, 52 insertions(+), 218 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 147a7e6bd38..eb2d420b39e 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -184,8 +184,9 @@ struct acpi_namespace_node {
 	u8 flags;		/* Miscellaneous flags */
 	acpi_owner_id owner_id;	/* Node creator */
 	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
+	struct acpi_namespace_node *parent;	/* Parent node */
 	struct acpi_namespace_node *child;	/* First child */
-	struct acpi_namespace_node *peer;	/* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
+	struct acpi_namespace_node *peer;	/* First peer */
 
 	/*
 	 * The following fields are used by the ASL compiler and disassembler only
@@ -199,7 +200,7 @@ struct acpi_namespace_node {
 
 /* Namespace Node flags */
 
-#define ANOBJ_END_OF_PEER_LIST          0x01	/* End-of-list, Peer field points to parent */
+#define ANOBJ_RESERVED                  0x01	/* Available for use */
 #define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 258159cfcdf..9f60ff00220 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -369,11 +369,4 @@ struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
 
 void acpi_ns_terminate(void);
 
-struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
-						    *node);
-
-struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
-							acpi_namespace_node
-							*node);
-
 #endif				/* __ACNAMESP_H__ */
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index d5e927f818a..8095306fcd8 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -102,8 +102,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
 		walk_state->arguments[i].name.integer |= (i << 24);
 		walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
 		walk_state->arguments[i].type = ACPI_TYPE_ANY;
-		walk_state->arguments[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
+		walk_state->arguments[i].flags = ANOBJ_METHOD_ARG;
 	}
 
 	/* Init the method locals */
@@ -116,8 +115,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
 		walk_state->local_variables[i].descriptor_type =
 		    ACPI_DESC_TYPE_NAMED;
 		walk_state->local_variables[i].type = ACPI_TYPE_ANY;
-		walk_state->local_variables[i].flags =
-		    ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
+		walk_state->local_variables[i].flags = ANOBJ_METHOD_LOCAL;
 	}
 
 	return_VOID;
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index 53a7e416f33..7c0e7422717 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -213,7 +213,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
 
 	/* Execute the AML code for the term_arg arguments */
 
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	return_ACPI_STATUS(status);
@@ -257,7 +257,7 @@ acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
 
 	/* Execute the AML code for the term_arg arguments */
 
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	return_ACPI_STATUS(status);
@@ -394,7 +394,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
 
 	/* Execute the argument AML */
 
-	status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index 2e3b0334072..f40d271bf56 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -199,7 +199,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 		return_ACPI_STATUS(status);
 	}
 
-	parent_node = acpi_ns_get_parent_node(region_obj->region.node);
+	parent_node = region_obj->region.node->parent;
 
 	/*
 	 * Get the _SEG and _BBN values from the device upon which the handler
@@ -248,7 +248,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 				break;
 			}
 
-			pci_root_node = acpi_ns_get_parent_node(pci_root_node);
+			pci_root_node = pci_root_node->parent;
 		}
 
 		/* PCI root bridge not found, use namespace root node */
@@ -280,7 +280,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
 	 */
 	pci_device_node = region_obj->region.node;
 	while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
-		pci_device_node = acpi_ns_get_parent_node(pci_device_node);
+		pci_device_node = pci_device_node->parent;
 	}
 
 	if (!pci_device_node) {
@@ -521,7 +521,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
 		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
 
-	node = acpi_ns_get_parent_node(region_obj->region.node);
+	node = region_obj->region.node->parent;
 	space_id = region_obj->region.space_id;
 
 	/* Setup defaults */
@@ -654,7 +654,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
 
 		/* This node does not have the handler we need; Pop up one level */
 
-		node = acpi_ns_get_parent_node(node);
+		node = node->parent;
 	}
 
 	/* If we get here, there is no handler for this region */
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index cdb66d1e3fd..f067bbb0d96 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -812,7 +812,7 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
 	acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type));
 	acpi_ex_out_pointer("Attached Object",
 			    acpi_ns_get_attached_object(node));
-	acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node));
+	acpi_ex_out_pointer("Parent", node->parent);
 
 	acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node),
 			    acpi_ex_dump_node);
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 2cebfa94b79..0cd925be5fc 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -338,8 +338,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
 			 */
 			while (!acpi_ns_opens_scope(prefix_node->type) &&
 			       prefix_node->type != ACPI_TYPE_ANY) {
-				prefix_node =
-				    acpi_ns_get_parent_node(prefix_node);
+				prefix_node = prefix_node->parent;
 			}
 		}
 	}
@@ -419,7 +418,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
 				/* Backup to the parent node */
 
 				num_carats++;
-				this_node = acpi_ns_get_parent_node(this_node);
+				this_node = this_node->parent;
 				if (!this_node) {
 
 					/* Current scope has no parent scope */
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 982269c1fa4..8d3a43a061a 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -159,7 +159,7 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node)
 
 	ACPI_FUNCTION_TRACE_PTR(ns_remove_node, node);
 
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 
 	prev_node = NULL;
 	next_node = parent_node->child;
@@ -168,29 +168,20 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node)
 
 	while (next_node != node) {
 		prev_node = next_node;
-		next_node = prev_node->peer;
+		next_node = next_node->peer;
 	}
 
 	if (prev_node) {
 
 		/* Node is not first child, unlink it */
 
-		prev_node->peer = next_node->peer;
-		if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
-			prev_node->flags |= ANOBJ_END_OF_PEER_LIST;
-		}
+		prev_node->peer = node->peer;
 	} else {
-		/* Node is first child (has no previous peer) */
-
-		if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
-
-			/* No peers at all */
-
-			parent_node->child = NULL;
-		} else {	/* Link peer list to parent */
-
-			parent_node->child = next_node->peer;
-		}
+		/*
+		 * Node is first child (has no previous peer).
+		 * Link peer list to parent
+		 */
+		parent_node->child = node->peer;
 	}
 
 	/* Delete the node and any attached objects */
@@ -238,23 +229,20 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
 
 	/* Link the new entry into the parent and existing children */
 
+	node->peer = NULL;
+	node->parent = parent_node;
 	child_node = parent_node->child;
+
 	if (!child_node) {
 		parent_node->child = node;
-		node->flags |= ANOBJ_END_OF_PEER_LIST;
-		node->peer = parent_node;
 	} else {
-		while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
+		/* Add node to the end of the peer list */
+
+		while (child_node->peer) {
 			child_node = child_node->peer;
 		}
 
 		child_node->peer = node;
-
-		/* Clear end-of-list flag */
-
-		child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-		node->flags |= ANOBJ_END_OF_PEER_LIST;
-		node->peer = parent_node;
 	}
 
 	/* Init the new entry */
@@ -288,9 +276,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
 
 void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
 {
-	struct acpi_namespace_node *child_node;
 	struct acpi_namespace_node *next_node;
-	u8 flags;
+	struct acpi_namespace_node *node_to_delete;
 
 	ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node);
 
@@ -298,37 +285,26 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
 		return_VOID;
 	}
 
-	/* If no children, all done! */
-
-	child_node = parent_node->child;
-	if (!child_node) {
-		return_VOID;
-	}
-
 	/* Deallocate all children at this level */
 
-	do {
-
-		/* Get the things we need */
-
-		next_node = child_node->peer;
-		flags = child_node->flags;
+	next_node = parent_node->child;
+	while (next_node) {
 
 		/* Grandchildren should have all been deleted already */
 
-		if (child_node->child) {
+		if (next_node->child) {
 			ACPI_ERROR((AE_INFO, "Found a grandchild! P=%p C=%p",
-				    parent_node, child_node));
+				    parent_node, next_node));
 		}
 
 		/*
 		 * Delete this child node and move on to the next child in the list.
 		 * No need to unlink the node since we are deleting the entire branch.
 		 */
-		acpi_ns_delete_node(child_node);
-		child_node = next_node;
-
-	} while (!(flags & ANOBJ_END_OF_PEER_LIST));
+		node_to_delete = next_node;
+		next_node = next_node->peer;
+		acpi_ns_delete_node(node_to_delete);
+	};
 
 	/* Clear the parent's child pointer */
 
@@ -405,7 +381,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
 
 			/* Move up the tree to the grandparent */
 
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 	}
 
@@ -510,7 +486,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
 
 			/* Move up the tree to the grandparent */
 
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 	}
 
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index f0e49df7c13..660a2728908 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -410,7 +410,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle,
 	 * The only _INI methods that we care about are those that are
 	 * present under Device, Processor, and Thermal objects.
 	 */
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 	switch (parent_node->type) {
 	case ACPI_TYPE_DEVICE:
 	case ACPI_TYPE_PROCESSOR:
@@ -420,7 +420,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle,
 
 		while (parent_node) {
 			parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 		}
 		break;
 
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index 7dea0031605..d3104af57e1 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -93,7 +93,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 		/* Put the name into the buffer */
 
 		ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name);
-		parent_node = acpi_ns_get_parent_node(parent_node);
+		parent_node = parent_node->parent;
 
 		/* Prefix name with the path separator */
 
@@ -198,7 +198,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
 			return 0;
 		}
 		size += ACPI_PATH_SEGMENT_LENGTH;
-		next_node = acpi_ns_get_parent_node(next_node);
+		next_node = next_node->parent;
 	}
 
 	if (!size) {
diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c
index a8e42b5e946..41102a84272 100644
--- a/drivers/acpi/acpica/nssearch.c
+++ b/drivers/acpi/acpica/nssearch.c
@@ -152,17 +152,6 @@ acpi_ns_search_one_scope(u32 target_name,
 			return_ACPI_STATUS(AE_OK);
 		}
 
-		/*
-		 * The last entry in the list points back to the parent,
-		 * so a flag is used to indicate the end-of-list
-		 */
-		if (node->flags & ANOBJ_END_OF_PEER_LIST) {
-
-			/* Searched entire list, we are done */
-
-			break;
-		}
-
 		/* Didn't match name, move on to the next peer object */
 
 		node = node->peer;
@@ -217,7 +206,7 @@ acpi_ns_search_parent_tree(u32 target_name,
 
 	ACPI_FUNCTION_TRACE(ns_search_parent_tree);
 
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 
 	/*
 	 * If there is no parent (i.e., we are at the root) or type is "local",
@@ -261,7 +250,7 @@ acpi_ns_search_parent_tree(u32 target_name,
 
 		/* Not found here, go up another level (until we reach the root) */
 
-		parent_node = acpi_ns_get_parent_node(parent_node);
+		parent_node = parent_node->parent;
 	}
 
 	/* Not found in parent tree */
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index bab559712da..e1add3491b0 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -847,116 +847,3 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
 	ACPI_FREE(internal_path);
 	return_ACPI_STATUS(status);
 }
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_get_parent_node
- *
- * PARAMETERS:  Node       - Current table entry
- *
- * RETURN:      Parent entry of the given entry
- *
- * DESCRIPTION: Obtain the parent entry for a given entry in the namespace.
- *
- ******************************************************************************/
-
-struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
-						    *node)
-{
-	ACPI_FUNCTION_ENTRY();
-
-	if (!node) {
-		return (NULL);
-	}
-
-	/*
-	 * Walk to the end of this peer list. The last entry is marked with a flag
-	 * and the peer pointer is really a pointer back to the parent. This saves
-	 * putting a parent back pointer in each and every named object!
-	 */
-	while (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
-		node = node->peer;
-	}
-
-	return (node->peer);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_get_next_valid_node
- *
- * PARAMETERS:  Node       - Current table entry
- *
- * RETURN:      Next valid Node in the linked node list. NULL if no more valid
- *              nodes.
- *
- * DESCRIPTION: Find the next valid node within a name table.
- *              Useful for implementing NULL-end-of-list loops.
- *
- ******************************************************************************/
-
-struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
-							acpi_namespace_node
-							*node)
-{
-
-	/* If we are at the end of this peer list, return NULL */
-
-	if (node->flags & ANOBJ_END_OF_PEER_LIST) {
-		return NULL;
-	}
-
-	/* Otherwise just return the next peer */
-
-	return (node->peer);
-}
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_find_parent_name
- *
- * PARAMETERS:  *child_node            - Named Obj whose name is to be found
- *
- * RETURN:      The ACPI name
- *
- * DESCRIPTION: Search for the given obj in its parent scope and return the
- *              name segment, or "????" if the parent name can't be found
- *              (which "should not happen").
- *
- ******************************************************************************/
-
-acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node)
-{
-	struct acpi_namespace_node *parent_node;
-
-	ACPI_FUNCTION_TRACE(ns_find_parent_name);
-
-	if (child_node) {
-
-		/* Valid entry.  Get the parent Node */
-
-		parent_node = acpi_ns_get_parent_node(child_node);
-		if (parent_node) {
-			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-					  "Parent of %p [%4.4s] is %p [%4.4s]\n",
-					  child_node,
-					  acpi_ut_get_node_name(child_node),
-					  parent_node,
-					  acpi_ut_get_node_name(parent_node)));
-
-			if (parent_node->name.integer) {
-				return_VALUE((acpi_name) parent_node->name.
-					     integer);
-			}
-		}
-
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Unable to find parent of %p (%4.4s)\n",
-				  child_node,
-				  acpi_ut_get_node_name(child_node)));
-	}
-
-	return_VALUE(ACPI_UNKNOWN_NAME);
-}
-#endif
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index 00e79fb2602..2cd5be8fe10 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -79,15 +79,6 @@ struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
 		return parent_node->child;
 	}
 
-	/*
-	 * Get the next node.
-	 *
-	 * If we are at the end of this peer list, return NULL
-	 */
-	if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
-		return NULL;
-	}
-
 	/* Otherwise just return the next peer */
 
 	return child_node->peer;
@@ -146,9 +137,9 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
 			return (next_node);
 		}
 
-		/* Otherwise, move on to the next node */
+		/* Otherwise, move on to the next peer node */
 
-		next_node = acpi_ns_get_next_valid_node(next_node);
+		next_node = next_node->peer;
 	}
 
 	/* Not found */
@@ -355,7 +346,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
 			 */
 			level--;
 			child_node = parent_node;
-			parent_node = acpi_ns_get_parent_node(parent_node);
+			parent_node = parent_node->parent;
 
 			node_previously_visited = TRUE;
 		}
diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index eafef24ea44..a1f04e9b803 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -190,7 +190,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
 
 	/* Get the parent entry */
 
-	parent_node = acpi_ns_get_parent_node(node);
+	parent_node = node->parent;
 	*ret_handle = ACPI_CAST_PTR(acpi_handle, parent_node);
 
 	/* Return exception if parent is null */
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index 66116750a0f..0558747579e 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -813,10 +813,10 @@ acpi_status acpi_ut_init_globals(void)
 	acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
 	acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
 	acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
+	acpi_gbl_root_node_struct.parent = NULL;
 	acpi_gbl_root_node_struct.child = NULL;
 	acpi_gbl_root_node_struct.peer = NULL;
 	acpi_gbl_root_node_struct.object = NULL;
-	acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
 
 #ifdef ACPI_DEBUG_OUTPUT
 	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
-- 
cgit v1.2.3-18-g5258


From 20d33aea7ae7ad858f3f91c834d9043cd8122d38 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Thu, 27 May 2010 09:27:34 +0800
Subject: ACPICA: Update flags for operand object

Remove obsolete AOPOBJ_SINGLE_DATUM. Add AOPOBJ_INVALID for
use if the host OS rejects the address of an operation region
(currently only used by Linux.)

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/acobject.h | 16 ++++++++--------
 drivers/acpi/acpica/exprep.c   |  9 ---------
 2 files changed, 8 insertions(+), 17 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index cde18ea8265..54857fa87aa 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -91,14 +91,14 @@
 
 /* Values for Flag byte above */
 
-#define AOPOBJ_AML_CONSTANT         0x01
-#define AOPOBJ_STATIC_POINTER       0x02
-#define AOPOBJ_DATA_VALID           0x04
-#define AOPOBJ_OBJECT_INITIALIZED   0x08
-#define AOPOBJ_SETUP_COMPLETE       0x10
-#define AOPOBJ_SINGLE_DATUM         0x20
-#define AOPOBJ_INVALID              0x40	/* Used if host OS won't allow an op_region address */
-#define AOPOBJ_MODULE_LEVEL         0x80
+#define AOPOBJ_AML_CONSTANT         0x01	/* Integer is an AML constant */
+#define AOPOBJ_STATIC_POINTER       0x02	/* Data is part of an ACPI table, don't delete */
+#define AOPOBJ_DATA_VALID           0x04	/* Object is intialized and data is valid */
+#define AOPOBJ_OBJECT_INITIALIZED   0x08	/* Region is initialized, _REG was run */
+#define AOPOBJ_SETUP_COMPLETE       0x10	/* Region setup is complete */
+#define AOPOBJ_INVALID              0x20	/* Host OS won't allow a Region address */
+#define AOPOBJ_MODULE_LEVEL         0x40	/* Method is actually module-level code */
+#define AOPOBJ_MODIFIED_NAMESPACE   0x80	/* Method modified the namespace */
 
 /******************************************************************************
  *
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 0686f271c61..98a331d2249 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -385,15 +385,6 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
 	    (field_bit_position -
 	     ACPI_MUL_8(obj_desc->common_field.base_byte_offset));
 
-	/*
-	 * Does the entire field fit within a single field access element? (datum)
-	 * (i.e., without crossing a datum boundary)
-	 */
-	if ((obj_desc->common_field.start_field_bit_offset +
-	     field_bit_length) <= (u16) access_bit_width) {
-		obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM;
-	}
-
 	return_ACPI_STATUS(AE_OK);
 }
 
-- 
cgit v1.2.3-18-g5258


From a9fc03125ea0001ff18bc29da9539b587fdbd1d7 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Wed, 26 May 2010 13:59:51 +0800
Subject: ACPICA: Optimization: Reduce the number of namespace walks

On control method exit, only walk the namespace if the method is
known to have created namespace objects outside of its local scope.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/dsmethod.c | 18 ++++++++++++++++--
 drivers/acpi/acpica/nsalloc.c  | 20 ++++++++++++++++----
 2 files changed, 32 insertions(+), 6 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 00846333773..64750ee96e2 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -584,8 +584,22 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 		 * want make the objects permanent.
 		 */
 		if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
-			acpi_ns_delete_namespace_by_owner(method_desc->method.
-							  owner_id);
+
+			/* Delete any direct children of (created by) this method */
+
+			acpi_ns_delete_namespace_subtree(walk_state->
+							 method_node);
+
+			/*
+			 * Delete any objects that were created by this method
+			 * elsewhere in the namespace (if any were created).
+			 */
+			if (method_desc->method.
+			    flags & AOPOBJ_MODIFIED_NAMESPACE) {
+				acpi_ns_delete_namespace_by_owner(method_desc->
+								  method.
+								  owner_id);
+			}
 		}
 	}
 
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 8d3a43a061a..1e5ff803d9a 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -219,12 +219,24 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
 
 	ACPI_FUNCTION_TRACE(ns_install_node);
 
-	/*
-	 * Get the owner ID from the Walk state. The owner ID is used to track
-	 * table deletion and deletion of objects created by methods.
-	 */
 	if (walk_state) {
+		/*
+		 * Get the owner ID from the Walk state. The owner ID is used to
+		 * track table deletion and deletion of objects created by methods.
+		 */
 		owner_id = walk_state->owner_id;
+
+		if ((walk_state->method_desc) &&
+		    (parent_node != walk_state->method_node)) {
+			/*
+			 * A method is creating a new node that is not a child of the
+			 * method (it is non-local). Mark the executing method as having
+			 * modified the namespace. This is used for cleanup when the
+			 * method exits.
+			 */
+			walk_state->method_desc->method.flags |=
+			    AOPOBJ_MODIFIED_NAMESPACE;
+		}
 	}
 
 	/* Link the new entry into the parent and existing children */
-- 
cgit v1.2.3-18-g5258


From b76df673522d94e3eafcf16935b3d7e5dded3078 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Thu, 1 Jul 2010 10:07:17 +0800
Subject: ACPICA: Rename acpi_hw_gpe_register_bit

Rename acpi_hw_gpe_register_bit to acpi_hw_get_gpe_register_bit
in order to be same with ACPICA code base.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/achware.h |  2 +-
 drivers/acpi/acpica/evgpe.c   |  2 +-
 drivers/acpi/acpica/hwgpe.c   | 10 +++++-----
 3 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 32391588e16..c73144c9a39 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -90,7 +90,7 @@ acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
 /*
  * hwgpe - GPE support
  */
-u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
 			     struct acpi_gpe_register_info *gpe_register_info);
 
 acpi_status
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 7c2c336006a..d24d7d31f40 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -78,7 +78,7 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
 		return_ACPI_STATUS(AE_NOT_EXIST);
 	}
 
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 
 	/* Clear the wake/run bits up front */
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 3450309c278..12d70fdadc2 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -57,7 +57,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 
 /******************************************************************************
  *
- * FUNCTION:	acpi_hw_gpe_register_bit
+ * FUNCTION:	acpi_hw_get_gpe_register_bit
  *
  * PARAMETERS:	gpe_event_info	    - Info block for the GPE
  *		gpe_register_info   - Info block for the GPE register
@@ -69,7 +69,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
  *
  ******************************************************************************/
 
-u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
+u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
 			     struct acpi_gpe_register_info *gpe_register_info)
 {
 	return (u32)1 << (gpe_event_info->gpe_number -
@@ -115,7 +115,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action)
 
 	/* Set ot clear just the bit that corresponds to this GPE */
 
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 	switch (action) {
 	case ACPI_GPE_COND_ENABLE:
@@ -193,7 +193,7 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
 		return (AE_NOT_EXIST);
 	}
 
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 
 	/*
@@ -241,7 +241,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
 
 	/* Get the register bitmask for this GPE */
 
-	register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
+	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 
 	/* GPE currently enabled? (enabled for runtime?) */
-- 
cgit v1.2.3-18-g5258


From e8b6f970107cfc9c00cdcdb12ec6c7e135cf379f Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Fri, 25 Jun 2010 01:18:39 +0200
Subject: ACPICA: Introduce acpi_gpe_wakeup()

ACPICA uses reference counters to avoid disabling GPEs too early in
case they have been enabled for many times.  This is done separately
for runtime and for wakeup, but the wakeup GPE reference counter is
not really necessary, because GPEs are only enabled to wake up the
system at the hardware level by acpi_enter_sleep_state().  Thus it
only is necessary to set the corresponding bits in the wakeup enable
masks of these GPEs' registers right before the system enters a sleep
state.  Moreover, the GPE wakeup enable bits can only be set when the
target sleep state of the system is known and they need to be cleared
immediately after wakeup regardless of how many wakeup devices are
associated with a given GPE.

On the basis of the above observations, introduce function
acpi_gpe_wakeup() to be used for setting or clearing the enable bit
corresponding to a given GPE in its enable register's enable_for_wake
mask.  Modify the ACPI suspend and wakeup code the use
acpi_gpe_wakeup() instead of acpi_{enable|disable}_gpe() to set
and clear GPE enable bits in their registers' enable_for_wake masks
during system transitions to a sleep state and back to the working
state, respectively.  [This will allow us to drop the third
argument of acpi_{enable|disable}_gpe() and simplify the GPE
handling code.]

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/evxfevnt.c | 67 ++++++++++++++++++++++++++++++++++++++++++
 drivers/acpi/sleep.c           | 15 ++--------
 drivers/acpi/wakeup.c          | 18 +++++++-----
 3 files changed, 81 insertions(+), 19 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index d97b8dce166..d6a6d4a7659 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -306,6 +306,73 @@ acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
 
 ACPI_EXPORT_SYMBOL(acpi_set_gpe)
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_gpe_wakeup
+ *
+ * PARAMETERS:  gpe_device      - Parent GPE Device. NULL for GPE0/GPE1
+ *              gpe_number      - GPE level within the GPE block
+ *              Action          - Enable or Disable
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Set or clear the GPE's wakeup enable mask bit.
+ *
+ ******************************************************************************/
+acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action)
+{
+	acpi_status status = AE_OK;
+	struct acpi_gpe_event_info *gpe_event_info;
+	struct acpi_gpe_register_info *gpe_register_info;
+	acpi_cpu_flags flags;
+	u32 register_bit;
+
+	ACPI_FUNCTION_TRACE(acpi_gpe_wakeup);
+
+	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+	/* Ensure that we have a valid GPE number */
+
+	gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
+	if (!gpe_event_info) {
+		status = AE_BAD_PARAMETER;
+		goto unlock_and_exit;
+	}
+
+	gpe_register_info = gpe_event_info->register_info;
+	if (!gpe_register_info) {
+		status = AE_NOT_EXIST;
+		goto unlock_and_exit;
+	}
+
+	register_bit =
+	    acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info);
+
+	/* Perform the action */
+
+	switch (action) {
+	case ACPI_GPE_ENABLE:
+		ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
+		break;
+
+	case ACPI_GPE_DISABLE:
+		ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
+			       register_bit);
+		break;
+
+	default:
+		ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
+		status = AE_BAD_PARAMETER;
+		break;
+	}
+
+unlock_and_exit:
+	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+	return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_gpe_wakeup)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_enable_gpe
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 5b7c52e4a00..aaa1af55e28 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -664,18 +664,9 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
 		return -ENODEV;
 	}
 
-	if (enable) {
-		error = acpi_enable_wakeup_device_power(adev,
-						acpi_target_sleep_state);
-		if (!error)
-			acpi_enable_gpe(adev->wakeup.gpe_device,
-					adev->wakeup.gpe_number,
-					ACPI_GPE_TYPE_WAKE);
-	} else {
-		acpi_disable_gpe(adev->wakeup.gpe_device, adev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
-		error = acpi_disable_wakeup_device_power(adev);
-	}
+	error = enable ?
+		acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
+		acpi_disable_wakeup_device_power(adev);
 	if (!error)
 		dev_info(dev, "wake-up capability %s by ACPI\n",
 				enable ? "enabled" : "disabled");
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index 388747a7ef4..c80537bc323 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -64,13 +64,14 @@ void acpi_enable_wakeup_device(u8 sleep_state)
 		struct acpi_device *dev =
 			container_of(node, struct acpi_device, wakeup_list);
 
-		if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+		if (!dev->wakeup.flags.valid
+		    || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
 		    || sleep_state > (u32) dev->wakeup.sleep_state)
 			continue;
 
 		/* The wake-up power should have been enabled already. */
-		acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
+		acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+				ACPI_GPE_ENABLE);
 	}
 }
 
@@ -89,13 +90,16 @@ void acpi_disable_wakeup_device(u8 sleep_state)
 		struct acpi_device *dev =
 			container_of(node, struct acpi_device, wakeup_list);
 
-		if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
+		if (!dev->wakeup.flags.valid
+		    || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
 		    || (sleep_state > (u32) dev->wakeup.sleep_state))
 			continue;
 
-		acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
-				ACPI_GPE_TYPE_WAKE);
-		acpi_disable_wakeup_device_power(dev);
+		acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
+				ACPI_GPE_DISABLE);
+
+		if (dev->wakeup.state.enabled)
+			acpi_disable_wakeup_device_power(dev);
 	}
 }
 
-- 
cgit v1.2.3-18-g5258


From a44061aa8b5d58b2729faca4c155a94a5bea2a09 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Thu, 1 Jul 2010 10:11:45 +0800
Subject: ACPICA: Remove wakeup GPE reference counting which is not used

After the previous patch that introduced acpi_gpe_wakeup() and
modified the ACPI suspend and wakeup code to use it, the third
argument of acpi_{enable|disable}_gpe() and the GPE wakeup
reference counter are not necessary any more.  Remove them and
modify all of the users of acpi_{enable|disable}_gpe()
accordingly.  Also drop GPE type constants that aren't used
any more.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpica/acevents.h  |   2 +-
 drivers/acpi/acpica/aclocal.h   |   1 -
 drivers/acpi/acpica/evgpe.c     |  21 +++----
 drivers/acpi/acpica/evgpeblk.c  |   3 +-
 drivers/acpi/acpica/evgpeinit.c |   3 +-
 drivers/acpi/acpica/evxfevnt.c  | 119 ++++++++++------------------------------
 drivers/acpi/button.c           |   6 +-
 drivers/acpi/ec.c               |   6 +-
 drivers/acpi/system.c           |   6 +-
 drivers/pci/pci-acpi.c          |   6 +-
 10 files changed, 48 insertions(+), 125 deletions(-)

(limited to 'drivers')

diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index c3f43daa8be..a561944fbaf 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -78,7 +78,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
 
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info);
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
 
 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
 						       u32 gpe_number);
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index eb2d420b39e..1ee0bcf399a 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -429,7 +429,6 @@ struct acpi_gpe_event_info {
 	u8 flags;		/* Misc info about this GPE */
 	u8 gpe_number;		/* This GPE */
 	u8 runtime_count;	/* References to a run GPE */
-	u8 wakeup_count;	/* References to a wake GPE */
 };
 
 /* Information about a GPE register pair, one per each status/enable pair in an array */
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index d24d7d31f40..9413ac61e44 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -54,24 +54,24 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context);
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ev_update_gpe_enable_masks
+ * FUNCTION:    acpi_ev_update_gpe_enable_mask
  *
  * PARAMETERS:  gpe_event_info          - GPE to update
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Updates GPE register enable masks based upon whether there are
- *              references (either wake or run) to this GPE
+ * DESCRIPTION: Updates GPE register enable mask based upon whether there are
+ *              runtime references to this GPE
  *
  ******************************************************************************/
 
 acpi_status
-acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
+acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
 {
 	struct acpi_gpe_register_info *gpe_register_info;
 	u32 register_bit;
 
-	ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
+	ACPI_FUNCTION_TRACE(ev_update_gpe_enable_mask);
 
 	gpe_register_info = gpe_event_info->register_info;
 	if (!gpe_register_info) {
@@ -81,19 +81,14 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
 	register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
 						gpe_register_info);
 
-	/* Clear the wake/run bits up front */
+	/* Clear the run bit up front */
 
-	ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake, register_bit);
 	ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
 
-	/* Set the mask bits only if there are references to this GPE */
+	/* Set the mask bit only if there are references to this GPE */
 
 	if (gpe_event_info->runtime_count) {
-		ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
-	}
-
-	if (gpe_event_info->wakeup_count) {
-		ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
+		ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit);
 	}
 
 	return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 341a38ce8aa..77e8630043f 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -529,8 +529,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
 
 			/* Enable this GPE */
 
-			status = acpi_enable_gpe(gpe_device, gpe_number,
-						 ACPI_GPE_TYPE_RUNTIME);
+			status = acpi_enable_gpe(gpe_device, gpe_number);
 			if (ACPI_FAILURE(status)) {
 				ACPI_EXCEPTION((AE_INFO, status,
 						"Could not enable GPE 0x%02X",
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index 3f6c2d26410..8db9e076a53 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -482,8 +482,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
 				gpe_device = NULL;
 			}
 
-			status = acpi_enable_gpe(gpe_device, gpe_number,
-						 ACPI_GPE_TYPE_RUNTIME);
+			status = acpi_enable_gpe(gpe_device, gpe_number);
 			if (ACPI_FAILURE(status)) {
 				ACPI_EXCEPTION((AE_INFO, status,
 						"Could not enable GPE 0x%02X",
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index d6a6d4a7659..467fde961ae 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -352,12 +352,13 @@ acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action)
 
 	switch (action) {
 	case ACPI_GPE_ENABLE:
-		ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
+		ACPI_SET_BIT(gpe_register_info->enable_for_wake,
+			     (u8)register_bit);
 		break;
 
 	case ACPI_GPE_DISABLE:
 		ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
-			       register_bit);
+			       (u8)register_bit);
 		break;
 
 	default:
@@ -379,17 +380,14 @@ AC