Merge back earlier 'acpi-processor' material. (38953d39) · Commits · e / devices / android_kernel_teracube_2e

arch/ia64/kernel/acpi.c

+0 −4

Original line number	Original line	Diff line number	Diff line
	@@ -54,10 +54,6 @@
	#include <asm/sal.h>		#include <asm/sal.h>
	#include <asm/cyclone.h>		#include <asm/cyclone.h>

	#define BAD_MADT_ENTRY(entry, end) ( \
	(!entry) \|\| (unsigned long)entry + sizeof(*entry) > end \|\| \
	((struct acpi_subtable_header )entry)->length < sizeof(entry))

	#define PREFIX "ACPI: "		#define PREFIX "ACPI: "

	unsigned int acpi_cpei_override;		unsigned int acpi_cpei_override;

arch/x86/kernel/acpi/boot.c

+0 −4

Original line number	Original line	Diff line number	Diff line
	@@ -53,10 +53,6 @@ EXPORT_SYMBOL(acpi_disabled);
	# include <asm/proto.h>		# include <asm/proto.h>
	#endif /* X86 */		#endif /* X86 */

	#define BAD_MADT_ENTRY(entry, end) ( \
	(!entry) \|\| (unsigned long)entry + sizeof(*entry) > end \|\| \
	((struct acpi_subtable_header )entry)->length < sizeof(entry))

	#define PREFIX "ACPI: "		#define PREFIX "ACPI: "

	int acpi_noirq; /* skip ACPI IRQ initialization */		int acpi_noirq; /* skip ACPI IRQ initialization */

drivers/acpi/processor_core.c

+57 −21

Original line number	Original line	Diff line number	Diff line
	@@ -19,24 +19,6 @@
	#define _COMPONENT ACPI_PROCESSOR_COMPONENT		#define _COMPONENT ACPI_PROCESSOR_COMPONENT
	ACPI_MODULE_NAME("processor_core");		ACPI_MODULE_NAME("processor_core");

	static int __init set_no_mwait(const struct dmi_system_id *id)
	{
	printk(KERN_NOTICE PREFIX "%s detected - "
	"disabling mwait for CPU C-states\n", id->ident);
	boot_option_idle_override = IDLE_NOMWAIT;
	return 0;
	}

	static struct dmi_system_id processor_idle_dmi_table[] __initdata = {
	{
	set_no_mwait, "Extensa 5220", {
	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
	DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
	DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
	{},
	};

	static int map_lapic_id(struct acpi_subtable_header *entry,		static int map_lapic_id(struct acpi_subtable_header *entry,
	u32 acpi_id, int *apic_id)		u32 acpi_id, int *apic_id)
	{		{
	@@ -89,6 +71,28 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
	return 0;		return 0;
	}		}

			static int map_gic_id(struct acpi_subtable_header *entry,
			int device_declaration, u32 acpi_id, int *apic_id)
			{
			struct acpi_madt_generic_interrupt *gic =
			(struct acpi_madt_generic_interrupt *)entry;

			if (!(gic->flags & ACPI_MADT_ENABLED))
			return -ENODEV;

			/*
			* In the GIC interrupt model, logical processors are
			* required to have a Processor Device object in the DSDT,
			* so we should check device_declaration here
			*/
			if (device_declaration && (gic->uid == acpi_id)) {
			*apic_id = gic->gic_id;
			return 0;
			}

			return -EINVAL;
			}

	static int map_madt_entry(int type, u32 acpi_id)		static int map_madt_entry(int type, u32 acpi_id)
	{		{
	unsigned long madt_end, entry;		unsigned long madt_end, entry;
	@@ -124,6 +128,9 @@ static int map_madt_entry(int type, u32 acpi_id)
	} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {		} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
	if (!map_lsapic_id(header, type, acpi_id, &apic_id))		if (!map_lsapic_id(header, type, acpi_id, &apic_id))
	break;		break;
			} else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
			if (!map_gic_id(header, type, acpi_id, &apic_id))
			break;
	}		}
	entry += header->length;		entry += header->length;
	}		}
	@@ -154,6 +161,8 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
	map_lapic_id(header, acpi_id, &apic_id);		map_lapic_id(header, acpi_id, &apic_id);
	} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {		} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
	map_lsapic_id(header, type, acpi_id, &apic_id);		map_lsapic_id(header, type, acpi_id, &apic_id);
			} else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
			map_gic_id(header, type, acpi_id, &apic_id);
	}		}

	exit:		exit:
	@@ -323,7 +332,7 @@ static struct acpi_object_list *acpi_processor_alloc_pdc(void)
	* _PDC is required for a BIOS-OS handshake for most of the newer		* _PDC is required for a BIOS-OS handshake for most of the newer
	* ACPI processor features.		* ACPI processor features.
	*/		*/
	static int		static acpi_status
	acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)		acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
	{		{
	acpi_status status = AE_OK;		acpi_status status = AE_OK;
	@@ -379,16 +388,43 @@ early_init_pdc(acpi_handle handle, u32 lvl, void context, void *rv)
	return AE_OK;		return AE_OK;
	}		}

	void __init acpi_early_processor_set_pdc(void)		#if defined(CONFIG_X86) \|\| defined(CONFIG_IA64)
			static int __init set_no_mwait(const struct dmi_system_id *id)
			{
			pr_notice(PREFIX "%s detected - disabling mwait for CPU C-states\n",
			id->ident);
			boot_option_idle_override = IDLE_NOMWAIT;
			return 0;
			}

			static struct dmi_system_id processor_idle_dmi_table[] __initdata = {
			{
			set_no_mwait, "Extensa 5220", {
			DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
			DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
			{},
			};

			static void __init processor_dmi_check(void)
	{		{
	/*		/*
	* Check whether the system is DMI table. If yes, OSPM		* Check whether the system is DMI table. If yes, OSPM
	* should not use mwait for CPU-states.		* should not use mwait for CPU-states.
	*/		*/
	dmi_check_system(processor_idle_dmi_table);		dmi_check_system(processor_idle_dmi_table);
			}
			#else
			static inline void processor_dmi_check(void) {}
			#endif

			void __init acpi_early_processor_set_pdc(void)
			{
			processor_dmi_check();

	acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,		acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
	ACPI_UINT32_MAX,		ACPI_UINT32_MAX,
	early_init_pdc, NULL, NULL, NULL);		early_init_pdc, NULL, NULL, NULL);
	acpi_get_devices("ACPI0007", early_init_pdc, NULL, NULL);		acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID, early_init_pdc, NULL, NULL);
	}		}

include/linux/acpi.h

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -108,6 +108,10 @@ static inline void acpi_initrd_override(void *data, size_t size)
	}		}
	#endif		#endif

			#define BAD_MADT_ENTRY(entry, end) ( \
			(!entry) \|\| (unsigned long)entry + sizeof(*entry) > end \|\| \
			((struct acpi_subtable_header )entry)->length < sizeof(entry))

	char * __acpi_map_table (unsigned long phys_addr, unsigned long size);		char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
	void __acpi_unmap_table(char *map, unsigned long size);		void __acpi_unmap_table(char *map, unsigned long size);
	int early_acpi_boot_init(void);		int early_acpi_boot_init(void);