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Commit 11bf04c4 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPICA: Allow processor to be declared with the Device() instead of Processor() 



Allow processor to be declered with the Device(), such as:
Device(CPU1234) {
	Name(_HID, "ACPI007")
	Name(_UID, 1234)
}

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent f18c5a08

drivers/acpi/processor_core.c

+32 −21
Original line number Diff line number Diff line
@@ -377,7 +377,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device) 
/* Use the acpiid in MADT to map cpus in case of SMP */



#ifndef CONFIG_SMP

#define convert_acpiid_to_cpu(acpi_id) (-1)

static int get_cpu_id(acpi_handle handle, u32 acpi_id) {return -1;}

#else



static struct acpi_table_madt *madt;
@@ -483,7 +483,7 @@ exit: 
	return apic_id;

}



static int get_apic_id(acpi_handle handle, u32 acpi_id)

static int get_cpu_id(acpi_handle handle, u32 acpi_id)

{

	int i;

	int apic_id = -1;
@@ -506,7 +506,7 @@ static int get_apic_id(acpi_handle handle, u32 acpi_id) 
                                 Driver Interface

   -------------------------------------------------------------------------- */



static int acpi_processor_get_info(struct acpi_processor *pr)

static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)

{

	acpi_status status = 0;

	union acpi_object object = { 0 };
@@ -535,6 +535,17 @@ static int acpi_processor_get_info(struct acpi_processor *pr) 
		ACPI_DEBUG_PRINT((ACPI_DB_INFO,

				  "No bus mastering arbitration control\n"));



	/* Check if it is a Device with HID and UID */

	if (has_uid) {

		unsigned long value;

		status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,

						NULL, &value);

		if (ACPI_FAILURE(status)) {

			printk(KERN_ERR PREFIX "Evaluating processor _UID\n");

			return -ENODEV;

		}

		pr->acpi_id = value;

	} else {

		/*

		* Evalute the processor object.  Note that it is common on SMP to

		* have the first (boot) processor with a valid PBLK address while
@@ -551,8 +562,8 @@ static int acpi_processor_get_info(struct acpi_processor *pr) 
		*      >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c

		*/

		pr->acpi_id = object.processor.proc_id;



	cpu_index = get_apic_id(pr->handle, pr->acpi_id);

	}

	cpu_index = get_cpu_id(pr->handle, pr->acpi_id);



	/* Handle UP system running SMP kernel, with no LAPIC in MADT */

	if (!cpu0_initialized && (cpu_index == -1) &&
@@ -621,7 +632,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) 


	pr = acpi_driver_data(device);



	result = acpi_processor_get_info(pr);

	result = acpi_processor_get_info(pr, device->flags.unique_id);

	if (result) {

		/* Processor is physically not present */

		return 0;

include/acpi/acpi_drivers.h

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ 
/* _HID definitions */



#define ACPI_POWER_HID			"ACPI_PWR"

#define ACPI_PROCESSOR_HID		"ACPI_CPU"

#define ACPI_PROCESSOR_HID		"ACPI0007"

#define ACPI_SYSTEM_HID			"ACPI_SYS"

#define ACPI_THERMAL_HID		"ACPI_THM"

#define ACPI_BUTTON_HID_POWERF		"ACPI_FPB"