Merge http://linux-acpi.bkbits.net/linux-acpi-release-2.6.0

into home.osdl.org:/home/torvalds/v2.5/linux

MAINTAINERS

@@ -284,6 +284,16 @@ P:	Jonathan Layes
 L:	linux-net@vger.kernel.org
 S:	Maintained
 
+ASUS ACPI EXTRAS DRIVER
+P:	Karol Kozimor
+M:	sziwan@users.sourceforge.net
+P:	Julien Lerouge
+M:	julien.lerouge@free.fr
+L:	acpi4asus-user@lists.sourceforge.net
+W:	http://sourceforge.net/projects/acpi4asus
+W:	http://julien.lerouge.free.fr
+S:	Maintained
+
 ATM
 P:	Chas Williams
 M:	chas@cmf.nrl.navy.mil

arch/i386/kernel/acpi/boot.c

@@ -183,8 +183,7 @@ acpi_parse_lapic_nmi (
 
 #endif /*CONFIG_X86_LOCAL_APIC*/
 
-#ifdef CONFIG_X86_IO_APIC
-
+#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER)
 
 static int __init
 acpi_parse_ioapic (
@@ -368,7 +367,6 @@ acpi_boot_init (void)
 
 	result = acpi_table_parse(ACPI_APIC, acpi_parse_madt);
 	if (!result) {
-		printk(KERN_WARNING PREFIX "MADT not present\n");
 		return 0;
 	}
 	else if (result < 0) {
@@ -416,7 +414,7 @@ acpi_boot_init (void)
 
 #endif /*CONFIG_X86_LOCAL_APIC*/
 
-#ifdef CONFIG_X86_IO_APIC
+#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER)
 
 	/* 
 	 * I/O APIC 
@@ -472,7 +470,8 @@ acpi_boot_init (void)
 	acpi_irq_model = ACPI_IRQ_MODEL_IOAPIC;
 
 	acpi_ioapic = 1;
-#endif /*CONFIG_X86_IO_APIC*/
+
+#endif /* CONFIG_X86_IO_APIC && CONFIG_ACPI_INTERPRETER */
 
 #ifdef CONFIG_X86_LOCAL_APIC
 	if (acpi_lapic && acpi_ioapic) {
@@ -480,6 +479,7 @@ acpi_boot_init (void)
 		clustered_apic_check();
 	}
 #endif
+
 #ifdef CONFIG_HPET_TIMER
 	acpi_table_parse(ACPI_HPET, acpi_parse_hpet);
 #endif

arch/i386/kernel/cpu/cpufreq/acpi.c

@@ -231,7 +231,7 @@ acpi_processor_set_performance (
 	int			state)
 {
 	u16			port = 0;
-	u8			value = 0;
+	u16			value = 0;
 	int			i = 0;
 	struct cpufreq_freqs    cpufreq_freqs;
 
@@ -282,9 +282,9 @@ acpi_processor_set_performance (
 	value = (u16) perf->states[state].control;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, 
-		"Writing 0x%02x to port 0x%04x\n", value, port));
+		"Writing 0x%04x to port 0x%04x\n", value, port));
 
-	outb(value, port); 
+	outw(value, port); 
 
 	/*
 	 * Then we read the 'status_register' and compare the value with the
@@ -296,12 +296,12 @@ acpi_processor_set_performance (
 	port = perf->status_register;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, 
-		"Looking for 0x%02x from port 0x%04x\n",
-		(u8) perf->states[state].status, port));
+		"Looking for 0x%04x from port 0x%04x\n",
+		(u16) perf->states[state].status, port));
 
 	for (i=0; i<100; i++) {
-		value = inb(port);
-		if (value == (u8) perf->states[state].status)
+		value = inw(port);
+		if (value == (u16) perf->states[state].status)
 			break;
 		udelay(10);
 	}
@@ -309,7 +309,7 @@ acpi_processor_set_performance (
 	/* notify cpufreq */
 	cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
 
-	if (value != perf->states[state].status) {
+	if (value != (u16) perf->states[state].status) {
 		unsigned int tmp = cpufreq_freqs.new;
 		cpufreq_freqs.new = cpufreq_freqs.old;
 		cpufreq_freqs.old = tmp;

arch/i386/kernel/dmi_scan.c

@@ -939,11 +939,6 @@ static __initdata struct dmi_blacklist dmi_blacklist[]={
 			MATCH(DMI_BOARD_NAME, "CUR-DLS"),
 			NO_MATCH, NO_MATCH }},
 
-	{ force_acpi_ht, "ASUS A7V", {
-			MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC"),
-			MATCH(DMI_BOARD_NAME, "<A7V>"),
-			MATCH(DMI_BIOS_VERSION, "ASUS A7V ACPI BIOS Revision 1011"), NO_MATCH }},
-
 	{ force_acpi_ht, "ABIT i440BX-W83977", {
 			MATCH(DMI_BOARD_VENDOR, "ABIT <http://www.abit.com>"),
 			MATCH(DMI_BOARD_NAME, "i440BX-W83977 (BP6)"),
@@ -978,7 +973,10 @@ static __initdata struct dmi_blacklist dmi_blacklist[]={
 	{ disable_acpi_pci, "ASUS A7V", {
 			MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC"),
 			MATCH(DMI_BOARD_NAME, "<A7V>"),
-			MATCH(DMI_BIOS_VERSION, "ASUS A7V ACPI BIOS Revision 1007"), NO_MATCH }},
+			/* newer BIOS, Revision 1011, does work */
+			MATCH(DMI_BIOS_VERSION, "ASUS A7V ACPI BIOS Revision 1007"),
+			NO_MATCH }},
+
 #endif
 
 	{ NULL, }

arch/i386/kernel/mpparse.c

@@ -830,7 +830,7 @@ void __init mp_register_lapic (
 	MP_processor_info(&processor);
 }
 
-#ifdef CONFIG_X86_IO_APIC
+#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_ACPI_INTERPRETER)
 
 #define MP_ISA_BUS		0
 #define MP_MAX_IOAPIC_PIN	127
@@ -1019,10 +1019,6 @@ void __init mp_config_acpi_legacy_irqs (void)
 	}
 }
 
-#ifdef	CONFIG_ACPI
-
-/* Ensure the ACPI SCI interrupt level is active low, edge-triggered */
-
 extern FADT_DESCRIPTOR acpi_fadt;
 
 void __init mp_config_ioapic_for_sci(int irq)
@@ -1031,6 +1027,7 @@ void __init mp_config_ioapic_for_sci(int irq)
 	int ioapic_pin;
 	struct acpi_table_madt *madt;
 	struct acpi_table_int_src_ovr *entry = NULL;
+	acpi_interrupt_flags flags;
 	void *madt_end;
 	acpi_status status;
 
@@ -1049,32 +1046,37 @@ void __init mp_config_ioapic_for_sci(int irq)
 
 		while ((void *) entry < madt_end) {
                 	if (entry->header.type == ACPI_MADT_INT_SRC_OVR &&
-			    acpi_fadt.sci_int == entry->bus_irq) {
+			    acpi_fadt.sci_int == entry->bus_irq)
+				goto found;
+			
+                	entry = (struct acpi_table_int_src_ovr *)
+                	        ((unsigned long) entry + entry->header.length);
+        	}
+	}
+	/*
+	 * Although the ACPI spec says that the SCI should be level/low
+	 * don't reprogram it unless there is an explicit MADT OVR entry
+	 * instructing us to do so -- otherwise we break Tyan boards which
+	 * have the SCI wired edge/high but no MADT OVR.
+	 */
+	return;
+
+found:
 	/*
 	 * See the note at the end of ACPI 2.0b section
 	 * 5.2.10.8 for what this is about.
 	 */
-				if (entry->bus_irq != entry->global_irq) {
+	flags = entry->flags;
 	acpi_fadt.sci_int = entry->global_irq;
 	irq = entry->global_irq;
-					break;
-				}
-				else
-                			return;
-			}
-
-                	entry = (struct acpi_table_int_src_ovr *)
-                	        ((unsigned long) entry + entry->header.length);
-        	}
-	}
 
 	ioapic = mp_find_ioapic(irq);
 
 	ioapic_pin = irq - mp_ioapic_routing[ioapic].irq_start;
 
-	io_apic_set_pci_routing(ioapic, ioapic_pin, irq, 1, 1); // Active low, level triggered
+	io_apic_set_pci_routing(ioapic, ioapic_pin, irq, 
+				(flags.trigger >> 1) , (flags.polarity >> 1));
 }
-#endif	/* CONFIG_ACPI */
 
 #ifdef CONFIG_ACPI_PCI
 
@@ -1110,8 +1112,10 @@ void __init mp_parse_prt (void)
 		}
 
 		/* Don't set up the ACPI SCI because it's already set up */
-		if (acpi_fadt.sci_int == irq)
+                if (acpi_fadt.sci_int == irq) {
+                        entry->irq = irq; /*we still need to set entry's irq*/
 			continue;
+                }
 	
 		ioapic = mp_find_ioapic(irq);
 		if (ioapic < 0)
@@ -1154,5 +1158,5 @@ void __init mp_parse_prt (void)
 }
 
 #endif /*CONFIG_ACPI_PCI*/
-#endif	/* CONFIG_X86_IO_APIC */
+#endif /*CONFIG_X86_IO_APIC && CONFIG_ACPI_INTERPRETER*/
 #endif /*CONFIG_ACPI_BOOT*/

arch/i386/kernel/setup.c

@@ -64,10 +64,10 @@ struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 };
 unsigned long mmu_cr4_features;
 EXPORT_SYMBOL_GPL(mmu_cr4_features);
 
-#ifdef	CONFIG_ACPI
-	int acpi_disabled __initdata = 0;
+#ifdef	CONFIG_ACPI_INTERPRETER
+	int acpi_disabled = 0;
 #else
-	int acpi_disabled __initdata = 1;
+	int acpi_disabled = 1;
 #endif
 EXPORT_SYMBOL(acpi_disabled);
 

arch/ia64/kernel/acpi.c

@@ -56,7 +56,7 @@ void (*pm_power_off) (void);
 
 unsigned char acpi_kbd_controller_present = 1;
 
-int acpi_disabled __initdata;	/* XXX this shouldn't be needed---we can't boot without ACPI! */
+int acpi_disabled;	/* XXX this shouldn't be needed---we can't boot without ACPI! */
 
 const char *
 acpi_get_sysname (void)

drivers/acpi/Kconfig

@@ -3,34 +3,14 @@
 #
 
 menu "ACPI (Advanced Configuration and Power Interface) Support"
-
-config ACPI_HT
-	bool "ACPI Processor Enumeration for HT"
-	depends on X86
-	default y
-	---help---
-	  ACPI enumerates both logical (a.k.a. Hyper-Threaded -- HT)
-	  and physical processors.  It is designed to obsolete several older
-	  specifications, including the MultiProcessor Specification (MPS),
-	  which supported only physical processors.
-
-	  CONFIG_ACPI_HT includes the minimal ACPI boot-time code
-	  necessary to enumerate logical processors and enable HT.
-
-	  CONFIG_ACPI includes CONFIG_ACPI_HT, plus IO APIC enumeration,
-	  and the hooks to run the ACPI AML interpreter for run-time events.
-
-	  When CONFIG_ACPI is selected, the command-line option "acpi=ht"
-	  is available to run just the ACPI boot-time code -- just as if
-	  only CONFIG_ACPI_HT were selected.
-
-	  Note that "acpi=off" can be used to disable all ACPI code in the kernel.
-
-config ACPI
-	bool "Full ACPI Support"
 	depends on !X86_VISWS
 	depends on !IA64_HP_SIM
-	depends on IA64 || (X86 || ACPI_HT)
+	depends on IA64 || X86
+
+config ACPI
+	bool "ACPI Support"
+	depends on IA64 || X86
+
 	default y
 	---help---
 	  Advanced Configuration and Power Interface (ACPI) support for 
@@ -62,12 +42,19 @@ config ACPI
 
 config ACPI_BOOT
 	bool
-	depends on ACPI || ACPI_HT
+	depends on ACPI || X86_HT
+	default y
+
+config ACPI_INTERPRETER
+	bool
+	depends on ACPI
+	depends on !IA64_SGI_SN
 	default y
 
 config ACPI_SLEEP
 	bool "Sleep States (EXPERIMENTAL)"
 	depends on X86 && ACPI
+	depends on ACPI_INTERPRETER
 	depends on EXPERIMENTAL && PM
 	default y
 	---help---
@@ -93,7 +80,8 @@ config ACPI_SLEEP_PROC_FS
 
 config ACPI_AC
 	tristate "AC Adapter"
-	depends on X86 && ACPI
+	depends on X86
+	depends on ACPI_INTERPRETER
 	default m
 	help
 	  This driver adds support for the AC Adapter object, which indicates
@@ -102,7 +90,8 @@ config ACPI_AC
 
 config ACPI_BATTERY
 	tristate "Battery"
-	depends on X86 && ACPI
+	depends on X86
+	depends on ACPI_INTERPRETER
 	default m
 	help
 	  This driver adds support for battery information through
@@ -111,7 +100,7 @@ config ACPI_BATTERY
 
 config ACPI_BUTTON
 	tristate "Button"
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default m
 	help
@@ -123,7 +112,7 @@ config ACPI_BUTTON
 
 config ACPI_FAN
 	tristate "Fan"
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default m
 	help
@@ -132,7 +121,7 @@ config ACPI_FAN
 
 config ACPI_PROCESSOR
 	tristate "Processor"
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default m
 	help
@@ -152,14 +141,15 @@ config ACPI_THERMAL
 
 config ACPI_NUMA
 	bool "NUMA support"
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on NUMA
 	depends on !X86_64
 	default y if IA64_GENERIC || IA64_SGI_SN2
 
 config ACPI_ASUS
         tristate "ASUS/Medion Laptop Extras"
-        depends on X86 && ACPI
+	depends on X86
+	depends on ACPI_INTERPRETER
 	default m
         ---help---
           This driver provides support for extra features of ACPI-compatible
@@ -171,6 +161,9 @@ config ACPI_ASUS
           and most importantly, allows you to blink those fancy LEDs intended
           for reporting mail and wireless status.
 
+	  Note: display switching code is currently considered EXPERIMENTAL,
+	  toying with these values may even lock your machine.
+          
           All settings are changed via /proc/acpi/asus directory entries. Owner
           and group for these entries can be set with asus_uid and asus_gid
           parameters.
@@ -185,7 +178,8 @@ config ACPI_ASUS
           
 config ACPI_TOSHIBA
 	tristate "Toshiba Laptop Extras"
-	depends on X86 && ACPI
+	depends on X86
+	depends on ACPI_INTERPRETER
 	default m
 	---help---
 	  This driver adds support for access to certain system settings
@@ -212,7 +206,7 @@ config ACPI_TOSHIBA
 
 config ACPI_DEBUG
 	bool "Debug Statements"
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default n
 	help
@@ -222,19 +216,14 @@ config ACPI_DEBUG
 
 config ACPI_BUS
 	bool
-	depends on ACPI
-	depends on !IA64_SGI_SN
-	default y
-
-config ACPI_INTERPRETER
-	bool
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default y
 
 config ACPI_EC
 	bool
-	depends on X86 && ACPI
+	depends on X86
+	depends on ACPI_INTERPRETER
 	default y
 	help
 	  This driver is required on some systems for the proper operation of
@@ -243,19 +232,19 @@ config ACPI_EC
 
 config ACPI_POWER
 	bool
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default y
 
 config ACPI_PCI
 	bool
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default PCI
 
 config ACPI_SYSTEM
 	bool
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on !IA64_SGI_SN
 	default y
 	help
@@ -264,9 +253,21 @@ config ACPI_SYSTEM
 
 config ACPI_EFI
 	bool
-	depends on ACPI
+	depends on ACPI_INTERPRETER
 	depends on IA64
 	default y
 
+config ACPI_RELAXED_AML
+	bool "Relaxed AML"
+	depends on ACPI_INTERPRETER
+	depends on !IA64_SGI_SN
+	default n
+	help
+	  If you say `Y' here, the ACPI interpreter will relax its checking
+	  for valid AML and will ignore some AML mistakes, such as off-by-one
+	  errors in region sizes.  Some laptops may require this option.  In
+	  particular, many Toshiba laptops require this for correct operation
+	  of the AC module.
+
 endmenu
 

drivers/acpi/Makefile

@@ -18,7 +18,7 @@ obj-$(CONFIG_ACPI)		:= acpi_ksyms.o
 # ACPI Boot-Time Table Parsing
 #
 obj-$(CONFIG_ACPI_BOOT)		+= tables.o
-obj-$(CONFIG_ACPI)		+= blacklist.o
+obj-$(CONFIG_ACPI_INTERPRETER)	+= blacklist.o
 
 #
 # ACPI Core Subsystem (Interpreter)

drivers/acpi/bus.c

@@ -634,8 +634,7 @@ acpi_bus_init (void)
 	 * the EC parameters out of that.
 	 */
 	status = acpi_ec_ecdt_probe();
-	if (ACPI_FAILURE(status))
-		goto error1;
+	/* Ignore result. Not having an ECDT is not fatal. */
 #endif
 
 	status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);

drivers/acpi/dispatcher/dsfield.c

@@ -105,6 +105,11 @@ acpi_ds_create_buffer_field (
 		return_ACPI_STATUS (AE_AML_NO_OPERAND);
 	}
 
+	if (walk_state->deferred_node) {
+		node = walk_state->deferred_node;
+		status = AE_OK;
+	}
+	else {
 		/*
 		 * During the load phase, we want to enter the name of the field into
 		 * the namespace.  During the execute phase (when we evaluate the size
@@ -127,6 +132,7 @@ acpi_ds_create_buffer_field (
 			ACPI_REPORT_NSERROR (arg->common.value.string, status);
 			return_ACPI_STATUS (status);
 		}
+	}
 
 	/* We could put the returned object (Node) on the object stack for later, but
 	 * for now, we will put it in the "op" object that the parser uses, so we

drivers/acpi/dispatcher/dsinit.c

@@ -135,7 +135,7 @@ acpi_ds_init_one_object (
 		}
 
 		/*
-		 * Always parse methods to detect errors, we may delete
+		 * Always parse methods to detect errors, we will delete
 		 * the parse tree below
 		 */
 		status = acpi_ds_parse_method (obj_handle);
@@ -150,7 +150,7 @@ acpi_ds_init_one_object (
 		}
 
 		/*
-		 * Delete the parse tree.  We simple re-parse the method
+		 * Delete the parse tree.  We simply re-parse the method
 		 * for every execution since there isn't much overhead
 		 */
 		acpi_ns_delete_namespace_subtree (obj_handle);

drivers/acpi/dispatcher/dsopcode.c

@@ -65,7 +65,7 @@
  *
  * RETURN:      Status.
  *
- * DESCRIPTION: Late execution of region or field arguments
+ * DESCRIPTION: Late (deferred) execution of region or field arguments
  *
  ****************************************************************************/
 
@@ -111,7 +111,10 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Mark this parse as a deferred opcode */
+
 	walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP;
+	walk_state->deferred_node = node;
 
 	/* Pass1: Parse the entire declaration */
 
@@ -128,7 +131,7 @@ acpi_ds_execute_arguments (
 	arg->common.node = node;
 	acpi_ps_delete_parse_tree (op);
 
-	/* Evaluate the address and length arguments for the Buffer Field */
+	/* Evaluate the deferred arguments */
 
 	op = acpi_ps_alloc_op (AML_INT_EVAL_SUBTREE_OP);
 	if (!op) {
@@ -144,6 +147,8 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
+	/* Execute the opcode and arguments */
+
 	status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
 			  aml_length, NULL, NULL, 3);
 	if (ACPI_FAILURE (status)) {
@@ -151,6 +156,9 @@ acpi_ds_execute_arguments (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Mark this execution as a deferred opcode */
+
+	walk_state->deferred_node = node;
 	status = acpi_ps_parse_aml (walk_state);
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
@@ -192,7 +200,7 @@ acpi_ds_get_buffer_field_arguments (
 	node = obj_desc->buffer_field.node;
 
 	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_BUFFER_FIELD, node, NULL));
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] buffer_field JIT Init\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n",
 		node->name.ascii));
 
 	/* Execute the AML code for the term_arg arguments */
@@ -207,7 +215,7 @@ acpi_ds_get_buffer_field_arguments (
  *
  * FUNCTION:    acpi_ds_get_buffer_arguments
  *
- * PARAMETERS:  obj_desc        - A valid Bufferobject
+ * PARAMETERS:  obj_desc        - A valid Buffer object
  *
  * RETURN:      Status.
  *
@@ -240,7 +248,7 @@ acpi_ds_get_buffer_arguments (
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer JIT Init\n"));
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n"));
 
 	/* Execute the AML code for the term_arg arguments */
 
@@ -254,7 +262,7 @@ acpi_ds_get_buffer_arguments (
  *
  * FUNCTION:    acpi_ds_get_package_arguments
  *
- * PARAMETERS:  obj_desc        - A valid Packageobject
+ * PARAMETERS:  obj_desc        - A valid Package object
  *
  * RETURN:      Status.
  *
@@ -287,7 +295,7 @@ acpi_ds_get_package_arguments (
 		return_ACPI_STATUS (AE_AML_INTERNAL);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package JIT Init\n"));
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Arg Init\n"));
 
 	/* Execute the AML code for the term_arg arguments */
 
@@ -335,11 +343,12 @@ acpi_ds_get_region_arguments (
 
 	node = obj_desc->region.node;
 
-	ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL));
+	ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL));
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] op_region Init at AML %p\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] op_region Arg Init at AML %p\n",
 		node->name.ascii, extra_desc->extra.aml_start));
 
+	/* Execute the argument AML */
 
 	status = acpi_ds_execute_arguments (node, acpi_ns_get_parent_node (node),
 			 extra_desc->extra.aml_length, extra_desc->extra.aml_start);
@@ -505,14 +514,16 @@ acpi_ds_init_buffer_field (
 		goto cleanup;
 	}
 
-
 	/* Entire field must fit within the current length of the buffer */
 
 	if ((bit_offset + bit_count) >
 		(8 * (u32) buffer_desc->buffer.length)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Field size %d exceeds Buffer size %d (bits)\n",
-			 bit_offset + bit_count, 8 * (u32) buffer_desc->buffer.length));
+			"Field [%4.4s] size %d exceeds Buffer [%4.4s] size %d (bits)\n",
+			((struct acpi_namespace_node *) result_desc)->name.ascii,
+			 bit_offset + bit_count,
+			 buffer_desc->buffer.node->name.ascii,
+			 8 * (u32) buffer_desc->buffer.length));
 		status = AE_AML_BUFFER_LIMIT;
 		goto cleanup;
 	}

drivers/acpi/dispatcher/dsutils.c

@@ -53,6 +53,7 @@
 #define _COMPONENT          ACPI_DISPATCHER
 	 ACPI_MODULE_NAME    ("dsutils")
 
+
 #ifndef ACPI_NO_METHOD_EXECUTION
 
 /*******************************************************************************
@@ -196,7 +197,6 @@ acpi_ds_is_result_used (
 			acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
 
 	return_VALUE (FALSE);
-
 }
 
 
@@ -239,7 +239,6 @@ acpi_ds_delete_result_if_not_used (
 		return_VOID;
 	}
 
-
 	if (!acpi_ds_is_result_used (op, walk_state)) {
 		/*
 		 * Must pop the result stack (obj_desc should be equal to result_obj)
@@ -389,6 +388,23 @@ acpi_ds_create_operand (
 		 * in name_string
 		 */
 
+
+		/*
+		 * Special handling for buffer_field declarations. This is a deferred
+		 * opcode that unfortunately defines the field name as the last
+		 * parameter instead of the first.  We get here when we are performing
+		 * the deferred execution, so the actual name of the field is already
+		 * in the namespace.  We don't want to attempt to look it up again
+		 * because we may be executing in a different scope than where the
+		 * actual opcode exists.
+		 */
+		if ((walk_state->deferred_node) &&
+			(walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) &&
+			(arg_index != 0)) {
+			obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node);
+			status = AE_OK;
+		}
+		else    /* All other opcodes */ {
 			/*
 			 * Differentiate between a namespace "create" operation
 			 * versus a "lookup" operation (IMODE_LOAD_PASS2 vs.
@@ -405,7 +421,6 @@ acpi_ds_create_operand (
 
 				interpreter_mode = ACPI_IMODE_LOAD_PASS2;
 			}
-
 			else {
 				/* Return a failure if name not found */
 
@@ -432,7 +447,6 @@ acpi_ds_create_operand (
 					obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node);
 					status = AE_OK;
 				}
-
 				else {
 					/*
 					 * We just plain didn't find it -- which is a
@@ -445,6 +459,7 @@ acpi_ds_create_operand (
 			if (ACPI_FAILURE (status)) {
 				ACPI_REPORT_NSERROR (name_string, status);
 			}
+		}
 
 		/* Free the namestring created above */
 
@@ -464,8 +479,6 @@ acpi_ds_create_operand (
 		}
 		ACPI_DEBUGGER_EXEC (acpi_db_display_argument_object (obj_desc, walk_state));
 	}
-
-
 	else {
 		/* Check for null name case */
 
@@ -480,7 +493,6 @@ acpi_ds_create_operand (
 
 			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg));
 		}
-
 		else {
 			opcode = arg->common.aml_opcode;
 		}

drivers/acpi/dispatcher/dswload.c

@@ -248,6 +248,14 @@ acpi_ds_load1_begin_op (
 		 *       buffer_field, or Package), the name of the object is already
 		 *       in the namespace.
 		 */
+		if (walk_state->deferred_node) {
+			/* This name is already in the namespace, get the node */
+
+			node = walk_state->deferred_node;
+			status = AE_OK;
+			break;
+		}
+
 		flags = ACPI_NS_NO_UPSEARCH;
 		if ((walk_state->opcode != AML_SCOPE_OP) &&
 			(!(walk_state->parse_flags & ACPI_PARSE_DEFERRED_OP))) {
@@ -589,7 +597,17 @@ acpi_ds_load2_begin_op (
 		 * Enter the named type into the internal namespace.  We enter the name
 		 * as we go downward in the parse tree.  Any necessary subobjects that involve
 		 * arguments to the opcode must be created as we go back up the parse tree later.
+		 *
+		 * Note: Name may already exist if we are executing a deferred opcode.
 		 */
+		if (walk_state->deferred_node) {
+			/* This name is already in the namespace, get the node */
+
+			node = walk_state->deferred_node;
+			status = AE_OK;
+			break;
+		}
+
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
 				  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, walk_state, &(node));
 		break;

drivers/acpi/dispatcher/dswscope.c

@@ -121,10 +121,9 @@ acpi_ds_scope_stack_push (
 	/* Make sure object type is valid */
 
 	if (!acpi_ut_valid_object_type (type)) {
-		ACPI_REPORT_WARNING (("ds_scope_stack_push: type code out of range\n"));
+		ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type));
 	}
 
-
 	/* Allocate a new scope object */
 
 	scope_info = acpi_ut_create_generic_state ();
@@ -146,13 +145,13 @@ acpi_ds_scope_stack_push (
 	old_scope_info = walk_state->scope_info;
 	if (old_scope_info) {
 		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
-			"[%4.4s] (%10s)",
+			"[%4.4s] (%s)",
 			old_scope_info->scope.node->name.ascii,
 			acpi_ut_get_type_name (old_scope_info->common.value)));
 	}
 	else {
 		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
-			"[\\___] (%10s)", "ROOT"));
+			"[\\___] (%s)", "ROOT"));
 	}
 
 	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
@@ -163,7 +162,6 @@ acpi_ds_scope_stack_push (
 	/* Push new scope object onto stack */
 
 	acpi_ut_push_generic_state (&walk_state->scope_info, scope_info);
-
 	return_ACPI_STATUS (AE_OK);
 }
 
@@ -207,7 +205,7 @@ acpi_ds_scope_stack_pop (
 	walk_state->scope_depth--;
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-		"[%.2d] Popped scope [%4.4s] (%10s), New scope -> ",
+		"[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
 		(u32) walk_state->scope_depth,
 		scope_info->scope.node->name.ascii,
 		acpi_ut_get_type_name (scope_info->common.value)));
@@ -225,7 +223,6 @@ acpi_ds_scope_stack_pop (
 	}
 
 	acpi_ut_delete_generic_state (scope_info);
-
 	return_ACPI_STATUS (AE_OK);
 }
 

drivers/acpi/dispatcher/dswstate.c

@@ -56,11 +56,12 @@
  * FUNCTION:    acpi_ds_result_insert
  *
  * PARAMETERS:  Object              - Object to push
+ *              Index               - Where to insert the object
  *              walk_state          - Current Walk state
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Push an object onto this walk's result stack
+ * DESCRIPTION: Insert an object onto this walk's result stack
  *
  ******************************************************************************/
 
@@ -114,6 +115,7 @@ acpi_ds_result_insert (
  * FUNCTION:    acpi_ds_result_remove
  *
  * PARAMETERS:  Object              - Where to return the popped object
+ *              Index               - Where to extract the object
  *              walk_state          - Current Walk state
  *
  * RETURN:      Status
@@ -233,6 +235,7 @@ acpi_ds_result_pop (
 	return (AE_AML_NO_RETURN_VALUE);
 }
 
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_result_pop_from_bottom
@@ -295,7 +298,6 @@ acpi_ds_result_pop_from_bottom (
 		*object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
 		state, walk_state));
 
-
 	return (AE_OK);
 }
 
@@ -358,8 +360,7 @@ acpi_ds_result_push (
  *
  * FUNCTION:    acpi_ds_result_stack_push
  *
- * PARAMETERS:  Object              - Object to push
- *              walk_state          - Current Walk state
+ * PARAMETERS:  walk_state          - Current Walk state
  *
  * RETURN:      Status
  *
@@ -420,7 +421,6 @@ acpi_ds_result_stack_pop (
 		return (AE_AML_NO_OPERAND);
 	}
 
-
 	state = acpi_ut_pop_generic_state (&walk_state->results);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
@@ -572,6 +572,7 @@ acpi_ds_obj_stack_pop_object (
 }
 #endif
 
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ds_obj_stack_pop
@@ -641,6 +642,7 @@ acpi_ds_obj_stack_pop_and_delete (
 	u32                             i;
 	union acpi_operand_object       *obj_desc;
 
+
 	ACPI_FUNCTION_NAME ("ds_obj_stack_pop_and_delete");
 
 
@@ -883,8 +885,15 @@ acpi_ds_create_walk_state (
  * FUNCTION:    acpi_ds_init_aml_walk
  *
  * PARAMETERS:  walk_state      - New state to be initialized
+ *              Op              - Current parse op
+ *              method_node     - Control method NS node, if any
+ *              aml_start       - Start of AML
+ *              aml_length      - Length of AML
+ *              Params          - Method args, if any
+ *              return_obj_desc - Where to store a return object, if any
+ *              pass_number     - 1, 2, or 3
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Initialize a walk state for a pass 1 or 2 parse tree walk
  *
@@ -956,6 +965,7 @@ acpi_ds_init_aml_walk (
 		while (extra_op && !extra_op->common.node) {
 			extra_op = extra_op->common.parent;
 		}
+
 		if (!extra_op) {
 			parser_state->start_node = NULL;
 		}

drivers/acpi/ec.c

@@ -32,7 +32,7 @@
 #include <asm/io.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-
+#include <acpi/actypes.h>
 
 #define _COMPONENT		ACPI_EC_COMPONENT
 ACPI_MODULE_NAME		("acpi_ec")
@@ -412,6 +412,9 @@ acpi_ec_space_setup (
 	 * The EC object is in the handler context and is needed
 	 * when calling the acpi_ec_space_handler.
 	 */
+	if(function == ACPI_REGION_DEACTIVATE) 
+		*return_context = NULL;
+	else 
 		*return_context = handler_context;
 
 	return AE_OK;

drivers/acpi/events/evregion.c

@@ -382,7 +382,7 @@ acpi_ev_detach_region(
 	union acpi_operand_object       *obj_desc;
 	union acpi_operand_object       **last_obj_ptr;
 	acpi_adr_space_setup            region_setup;
-	void                            *region_context;
+	void                            **region_context;
 	union acpi_operand_object       *region_obj2;
 	acpi_status                     status;
 
@@ -394,7 +394,7 @@ acpi_ev_detach_region(
 	if (!region_obj2) {
 		return_VOID;
 	}
-	region_context = region_obj2->extra.region_context;
+	region_context = &region_obj2->extra.region_context;
 
 	/* Get the address handler from the region object */
 
@@ -450,7 +450,7 @@ acpi_ev_detach_region(
 
 			region_setup = handler_obj->address_space.setup;
 			status = region_setup (region_obj, ACPI_REGION_DEACTIVATE,
-					  handler_obj->address_space.context, &region_context);
+					  handler_obj->address_space.context, region_context);
 
 			/* Init routine may fail, Just ignore errors */
 

drivers/acpi/executer/excreate.c

@@ -286,7 +286,7 @@ acpi_ex_create_region (
 	ACPI_FUNCTION_TRACE ("ex_create_region");
 
 
-	/* Get the Node from the object stack  */
+	/* Get the Namespace Node */
 
 	node = walk_state->op->common.node;
 
@@ -311,7 +311,6 @@ acpi_ex_create_region (
 	ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
 			  acpi_ut_get_region_name (region_space), region_space));
 
-
 	/* Create the region descriptor */
 
 	obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_REGION);
@@ -375,6 +374,7 @@ acpi_ex_create_table_region (
 
 	ACPI_FUNCTION_TRACE ("ex_create_table_region");
 
+
 	/* Get the Node from the object stack  */
 
 	node = walk_state->op->common.node;
@@ -392,7 +392,6 @@ acpi_ex_create_table_region (
 	status = acpi_tb_find_table (operand[1]->string.pointer,
 			   operand[2]->string.pointer,
 			   operand[3]->string.pointer, &table);
-
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -489,7 +488,6 @@ acpi_ex_create_processor (
 	status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
 			  obj_desc, ACPI_TYPE_PROCESSOR);
 
-
 	/* Remove local reference to the object */
 
 	acpi_ut_remove_reference (obj_desc);
@@ -540,7 +538,6 @@ acpi_ex_create_power_resource (
 	status = acpi_ns_attach_object ((struct acpi_namespace_node *) operand[0],
 			  obj_desc, ACPI_TYPE_POWER);
 
-
 	/* Remove local reference to the object */
 
 	acpi_ut_remove_reference (obj_desc);
@@ -609,7 +606,6 @@ acpi_ex_create_method (
 		obj_desc->method.concurrency = (u8)
 				  (((method_flags & METHOD_FLAGS_SYNCH_LEVEL) >> 4) + 1);
 	}
-
 	else {
 		obj_desc->method.concurrency = INFINITE_CONCURRENCY;
 	}

drivers/acpi/executer/exfldio.c

@@ -139,7 +139,41 @@ acpi_ex_setup_region (
 			field_datum_byte_offset, obj_desc->common_field.access_byte_width,
 			rgn_desc->region.node->name.ascii, rgn_desc->region.length));
 
+		#ifdef CONFIG_ACPI_RELAXED_AML
+		{
+			/*
+			 * Allow access to the field if it is within the region size
+			 * rounded up to a multiple of the access byte width.  This
+			 * overcomes "off-by-one" programming errors in the AML often
+			 * found in Toshiba laptops.  These errors were allowed by
+			 * the Microsoft ASL compiler.
+			 */
+			u32 rounded_length = ACPI_ROUND_UP(rgn_desc->region.length,
+									obj_desc->common_field.access_byte_width);
+
+			if (rounded_length < (obj_desc->common_field.base_byte_offset
+						+ field_datum_byte_offset
+						+ obj_desc->common_field.access_byte_width)) {
+				return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+			} else {
+				static int	warn_once = 1;
+				if (warn_once) {
+					// Could also associate a flag with each field, and
+					// warn once for each field.
+					ACPI_REPORT_WARNING((
+						"The ACPI AML in your computer contains errors, "
+						"please nag the manufacturer to correct it.\n"));
+					ACPI_REPORT_WARNING((
+						"Allowing relaxed access to fields; "
+						"turn on CONFIG_ACPI_DEBUG for details.\n"));
+					warn_once = 0;
+				}
+				return_ACPI_STATUS (AE_OK);
+			}
+		}
+		#else
 			return_ACPI_STATUS (AE_AML_REGION_LIMIT);
+		#endif
 	}
 
 	return_ACPI_STATUS (AE_OK);

drivers/acpi/namespace/nsdump.c

@@ -234,7 +234,7 @@ acpi_ns_dump_one_object (
 
 		case ACPI_TYPE_DEVICE:
 
-			acpi_os_printf ("Notify object: %p", obj_desc);
+			acpi_os_printf ("Notify Object: %p\n", obj_desc);
 			break;
 
 
@@ -371,7 +371,7 @@ acpi_ns_dump_one_object (
 		case ACPI_TYPE_LOCAL_BANK_FIELD:
 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-			acpi_os_printf (" Off %.2X Len %.2X Acc %.2hd\n",
+			acpi_os_printf ("Off %.2X Len %.2X Acc %.2hd\n",
 					(obj_desc->common_field.base_byte_offset * 8)
 						+ obj_desc->common_field.start_field_bit_offset,
 					obj_desc->common_field.bit_length,

drivers/acpi/namespace/nssearch.c

@@ -96,7 +96,7 @@ acpi_ns_search_node (
 
 		scope_name = acpi_ns_get_external_pathname (node);
 		if (scope_name) {
-			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s [%p] For %4.4s (%s)\n",
+			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Searching %s (%p) For [%4.4s] (%s)\n",
 				scope_name, node, (char *) &target_name, acpi_ut_get_type_name (type)));
 
 			ACPI_MEM_FREE (scope_name);
@@ -117,9 +117,9 @@ acpi_ns_search_node (
 			 * Found matching entry.
 			 */
 			ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
-				"Name %4.4s Type [%s] found in scope [%4.4s] %p\n",
+				"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
 				(char *) &target_name, acpi_ut_get_type_name (next_node->type),
-				next_node->name.ascii, next_node));
+				next_node, node->name.ascii, node));
 
 			*return_node = next_node;
 			return_ACPI_STATUS (AE_OK);
@@ -143,7 +143,7 @@ acpi_ns_search_node (
 	/* Searched entire namespace level, not found */
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_NAMES,
-		"Name %4.4s Type [%s] not found in search in scope [%4.4s] %p first child %p\n",
+		"Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
 		(char *) &target_name, acpi_ut_get_type_name (type),
 		node->name.ascii, node, node->child));
 

drivers/acpi/namespace/nsutils.c

@@ -175,6 +175,11 @@ acpi_ns_print_node_pathname (
 	acpi_status                     status;
 
 
+	if (!node) {
+		acpi_os_printf ("[NULL NAME]");
+		return;
+	}
+
 	/* Convert handle to a full pathname and print it (with supplied message) */
 
 	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
@@ -470,11 +475,11 @@ acpi_ns_build_internal_name (
 	*result = 0;
 
 	if (info->fully_qualified) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (abs) \"\\%s\"\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Returning [%p] (abs) \"\\%s\"\n",
 			internal_name, internal_name));
 	}
 	else {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "returning [%p] (rel) \"%s\"\n",
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Returning [%p] (rel) \"%s\"\n",
 			internal_name, internal_name));
 	}
 

drivers/acpi/parser/psparse.c

@@ -437,7 +437,6 @@ acpi_ps_parse_loop (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-
 	parser_state = &walk_state->parser_state;
 	walk_state->arg_types = 0;
 
@@ -705,10 +704,9 @@ acpi_ps_parse_loop (
 				walk_state->arg_types = 0;
 				break;
 
-
 			default:
 
-				/* Op is not a constant or string, append each argument */
+				/* Op is not a constant or string, append each argument to the Op */
 
 				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
 						!walk_state->arg_count) {
@@ -727,23 +725,23 @@ acpi_ps_parse_loop (
 					INCREMENT_ARG_LIST (walk_state->arg_types);
 				}
 
+				/* Special processing for certain opcodes */
+
 				switch (op->common.aml_opcode) {
 				case AML_METHOD_OP:
 
-					/* For a method, save the length and address of the body */
-
 					/*
-					 * Skip parsing of control method or opregion body,
+					 * Skip parsing of control method
 					 * because we don't have enough info in the first pass
-					 * to parse them correctly.
+					 * to parse it correctly.
+					 *
+					 * Save the length and address of the body
 					 */
 					op->named.data   = parser_state->aml;
 					op->named.length = (u32) (parser_state->pkg_end - parser_state->aml);
-					/*
-					 * Skip body of method.  For op_regions, we must continue
-					 * parsing because the opregion is not a standalone
-					 * package (We don't know where the end is).
-					 */
+
+					/* Skip body of method */
+
 					parser_state->aml   = parser_state->pkg_end;
 					walk_state->arg_count = 0;
 					break;
@@ -756,15 +754,15 @@ acpi_ps_parse_loop (
 						(op->common.parent->common.aml_opcode == AML_NAME_OP) &&
 						(walk_state->descending_callback != acpi_ds_exec_begin_op)) {
 						/*
-						 * Skip parsing of
+						 * Skip parsing of Buffers and Packages
 						 * because we don't have enough info in the first pass
 						 * to parse them correctly.
 						 */
 						op->named.data   = aml_op_start;
 						op->named.length = (u32) (parser_state->pkg_end - aml_op_start);
-						/*
-						 * Skip body
-						 */
+
+						/* Skip body */
+
 						parser_state->aml   = parser_state->pkg_end;
 						walk_state->arg_count = 0;
 					}
@@ -778,6 +776,7 @@ acpi_ps_parse_loop (
 					break;
 
 				default:
+
 					/* No action for all other opcodes */
 					break;
 				}

drivers/acpi/pci_irq.c

@@ -71,6 +71,9 @@ acpi_pci_irq_find_prt_entry (
 
 	ACPI_FUNCTION_TRACE("acpi_pci_irq_find_prt_entry");
 
+	if (!acpi_prt.count)
+		return_PTR(NULL);
+
 	/*
 	 * Parse through all PRT entries looking for a match on the specified
 	 * PCI device's segment, bus, device, and pin (don't care about func).

drivers/acpi/pci_link.c

@@ -220,7 +220,6 @@ acpi_pci_link_check_current (
 	return AE_CTRL_TERMINATE;
 }
 
-
 static int
 acpi_pci_link_get_current (
 	struct acpi_pci_link	*link)
@@ -279,6 +278,28 @@ acpi_pci_link_get_current (
 	return_VALUE(result);
 }
 
+static int
+acpi_pci_link_try_get_current (
+	struct acpi_pci_link *link,
+	int irq)
+{
+	int result;
+
+	ACPI_FUNCTION_TRACE("acpi_pci_link_try_get_current");
+
+	result = acpi_pci_link_get_current(link);
+	if (result && link->irq.active) {
+ 		return_VALUE(result);
+ 	}
+
+	if (!link->irq.active) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No active IRQ resource found\n"));
+		printk(KERN_WARNING "_CRS returns NULL! Using IRQ %d for device (%s [%s]).\n", irq, acpi_device_name(link->device), acpi_device_bid(link->device));
+		link->irq.active = irq;
+	}
+	
+	return 0;
+}
 
 static int
 acpi_pci_link_set (
@@ -294,6 +315,7 @@ acpi_pci_link_set (
 	struct acpi_buffer	buffer = {sizeof(resource)+1, &resource};
 	int			i = 0;
 	int			valid = 0;
+	int			resource_type = 0;
 
 	ACPI_FUNCTION_TRACE("acpi_pci_link_set");
 
@@ -317,20 +339,32 @@ acpi_pci_link_set (
 		}
 	}
 
+	/* If IRQ<=15, first try with a "normal" IRQ descriptor. If that fails, try with
+	 * an extended one */
+	if (irq <= 15) {
+		resource_type = ACPI_RSTYPE_IRQ;
+	} else {
+		resource_type = ACPI_RSTYPE_EXT_IRQ;
+	}
+
+retry_programming:
+   
 	memset(&resource, 0, sizeof(resource));
 
 	/* NOTE: PCI interrupts are always level / active_low / shared. But not all
 	   interrupts > 15 are PCI interrupts. Rely on the ACPI IRQ definition for 
 	   parameters */
-	if (irq <= 15) {
+	switch(resource_type) {
+	case ACPI_RSTYPE_IRQ:
 		resource.res.id = ACPI_RSTYPE_IRQ;
 		resource.res.length = sizeof(struct acpi_resource);
 		resource.res.data.irq.edge_level = link->irq.edge_level;
 		resource.res.data.irq.active_high_low = link->irq.active_high_low;
 		resource.res.data.irq.number_of_interrupts = 1;
 		resource.res.data.irq.interrupts[0] = irq;
-	}
-	else {
+		break;
+	   
+	case ACPI_RSTYPE_EXT_IRQ:
 		resource.res.id = ACPI_RSTYPE_EXT_IRQ;
 		resource.res.length = sizeof(struct acpi_resource);
 		resource.res.data.extended_irq.producer_consumer = ACPI_CONSUMER;
@@ -339,11 +373,21 @@ acpi_pci_link_set (
 		resource.res.data.extended_irq.number_of_interrupts = 1;
 		resource.res.data.extended_irq.interrupts[0] = irq;
 		/* ignore resource_source, it's optional */
+		break;
 	}
 	resource.end.id = ACPI_RSTYPE_END_TAG;
 
 	/* Attempt to set the resource */
 	status = acpi_set_current_resources(link->handle, &buffer);
+
+	/* if we failed and IRQ <= 15, try again with an extended descriptor */
+	if (ACPI_FAILURE(status) && (resource_type == ACPI_RSTYPE_IRQ)) {
+                resource_type = ACPI_RSTYPE_EXT_IRQ;
+                printk(PREFIX "Retrying with extended IRQ descriptor\n");
+                goto retry_programming;
+	}
+  
+	/* check for total failure */
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _SRS\n"));
 		return_VALUE(-ENODEV);
@@ -361,7 +405,7 @@ acpi_pci_link_set (
 	}
 
 	/* Make sure the active IRQ is the one we requested. */
-	result = acpi_pci_link_get_current(link);
+	result = acpi_pci_link_try_get_current(link, irq);
 	if (result) {
 		return_VALUE(result);
 	}
@@ -456,7 +500,6 @@ static int acpi_pci_link_allocate(struct acpi_pci_link* link) {
 		irq = link->irq.active;
 	} else {
 		irq = link->irq.possible[0];
-	}
 
 		/*
 		 * Select the best IRQ.  This is done in reverse to promote
@@ -466,6 +509,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link* link) {
 			if (acpi_irq_penalty[irq] > acpi_irq_penalty[link->irq.possible[i]])
 				irq = link->irq.possible[i];
 		}
+	}
 
 	/* Attempt to enable the link device at this IRQ. */
 	if (acpi_pci_link_set(link, irq)) {
@@ -574,10 +618,6 @@ acpi_pci_link_add (
 		else
 			printk(" %d", link->irq.possible[i]);
 	}
-	if (!link->irq.active)
-		printk(", disabled");
-	else if (!found)
-		printk(", enabled at IRQ %d", link->irq.active);
 	printk(")\n");
 
 	/* TBD: Acquire/release lock */

drivers/acpi/tables.c

@@ -69,7 +69,8 @@ struct acpi_table_sdt {
 
 static unsigned long		sdt_pa;		/* Physical Address */
 static unsigned long		sdt_count;	/* Table count */
-static struct acpi_table_sdt	*sdt_entry;
+
+static struct acpi_table_sdt	sdt_entry[ACPI_MAX_TABLES];
 
 void
 acpi_table_print (
@@ -418,12 +419,6 @@ acpi_table_get_sdt (
 			sdt_count = ACPI_MAX_TABLES;
 		}
 
-		sdt_entry = alloc_bootmem(sdt_count * sizeof(struct acpi_table_sdt));
-		if (!sdt_entry) {
-			printk(KERN_ERR "ACPI: Could not allocate mem for SDT entries!\n");
-			return -ENOMEM;
-		}
-
 		for (i = 0; i < sdt_count; i++)
 			sdt_entry[i].pa = (unsigned long) mapped_xsdt->entry[i];
 	}
@@ -470,12 +465,6 @@ acpi_table_get_sdt (
 			sdt_count = ACPI_MAX_TABLES;
 		}
 
-		sdt_entry = alloc_bootmem(sdt_count * sizeof(struct acpi_table_sdt));
-		if (!sdt_entry) {
-			printk(KERN_ERR "ACPI: Could not allocate mem for SDT entries!\n");
-			return -ENOMEM;
-		}
-
 		for (i = 0; i < sdt_count; i++)
 			sdt_entry[i].pa = (unsigned long) mapped_rsdt->entry[i];
 	}

include/acpi/acconfig.h

@@ -64,7 +64,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20030813
+#define ACPI_CA_VERSION                 0x20030918
 
 /* Maximum objects in the various object caches */
 

include/acpi/acdisasm.h

@@ -152,10 +152,6 @@ void
 acpi_dm_decode_internal_object (
 	union acpi_operand_object       *obj_desc);
 
-void
-acpi_dm_decode_node (
-	struct acpi_namespace_node      *node);
-
 u32
 acpi_dm_block_type (
 	union acpi_parse_object         *op);

include/acpi/acstruct.h

@@ -91,11 +91,12 @@ struct acpi_walk_state
 	struct acpi_namespace_node          arguments[ACPI_METHOD_NUM_ARGS];    /* Control method arguments */
 	union acpi_operand_object           **caller_return_desc;
 	union acpi_generic_state            *control_state;                     /* List of control states (nested IFs) */
+	struct acpi_namespace_node          *deferred_node;                      /* Used when executing deferred opcodes */
 	struct acpi_namespace_node          local_variables[ACPI_METHOD_NUM_LOCALS];    /* Control method locals */
 	struct acpi_namespace_node          *method_call_node;                  /* Called method Node*/
 	union acpi_parse_object             *method_call_op;                    /* method_call Op if running a method */
 	union acpi_operand_object           *method_desc;                       /* Method descriptor if running a method */
-	struct acpi_namespace_node          *method_node;                       /* Method Node if running a method */
+	struct acpi_namespace_node          *method_node;                       /* Method node if running a method. */
 	union acpi_parse_object             *op;                                /* Current parser op */
 	union acpi_operand_object           *operands[ACPI_OBJ_NUM_OPERANDS+1]; /* Operands passed to the interpreter (+1 for NULL terminator) */
 	const struct acpi_opcode_info       *op_info;                           /* Info on current opcode */

include/linux/acpi.h

@@ -424,17 +424,17 @@ int ec_write(u8 addr, u8 val);
 
 #endif /*CONFIG_ACPI_EC*/
 
-#ifdef CONFIG_ACPI
+#ifdef CONFIG_ACPI_INTERPRETER
 
 int acpi_blacklisted(void);
 
-#else
+#else /*!CONFIG_ACPI_INTERPRETER*/
 
 static inline int acpi_blacklisted(void)
 {
 	return 0;
 }
 
-#endif /*CONFIG_ACPI*/
+#endif /*!CONFIG_ACPI_INTERPRETER*/
 
 #endif /*_LINUX_ACPI_H*/

init/do_mounts.h

@@ -104,4 +104,3 @@ void md_run_setup(void);
 static inline void md_run_setup(void) {}
 
 #endif
-