Commit 319b6ffc authored by H. Peter Anvin's avatar H. Peter Anvin Committed by H. Peter Anvin
Browse files

x86, realmode: Unbreak the ia64 build of drivers/acpi/sleep.c 



Revert usage of acpi_wakeup_address and move definition
to x86 architecture code in order to make compilation work
in ia64.

[jsakkine: tested compilation in ia64/x86-64 and added
proper commit message]

Reported-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
Originally-by: default avatarH. Peter Anvin <hpa@kernel.org>
Signed-off-by: default avatarJarkko Sakkinen <jarkko.sakkinen@intel.com>
Link: http://lkml.kernel.org/r/1338370421-27735-1-git-send-email-jarkko.sakkinen@intel.com


Cc: Tony Luck <tony.luck@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 731a7378

arch/x86/include/asm/acpi.h

+3 −4
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include <asm/processor.h>

#include <asm/mmu.h>

#include <asm/mpspec.h>

#include <asm/realmode.h>



#define COMPILER_DEPENDENT_INT64   long long

#define COMPILER_DEPENDENT_UINT64  unsigned long long
@@ -116,10 +117,8 @@ static inline void acpi_disable_pci(void) 
/* Low-level suspend routine. */

extern int acpi_suspend_lowlevel(void);



extern const unsigned char acpi_wakeup_code[];



/* early initialization routine */

extern void acpi_reserve_wakeup_memory(void);

/* Physical address to resume after wakeup */

#define acpi_wakeup_address ((unsigned long)(real_mode_header->wakeup_start))



/*

 * Check if the CPU can handle C2 and deeper

drivers/acpi/sleep.c

+2 −6
Original line number Diff line number Diff line
@@ -25,8 +25,6 @@ 
#include <acpi/acpi_bus.h>

#include <acpi/acpi_drivers.h>



#include <asm/realmode.h>



#include "internal.h"

#include "sleep.h"
@@ -93,13 +91,11 @@ static struct notifier_block tts_notifier = { 
static int acpi_sleep_prepare(u32 acpi_state)

{

#ifdef CONFIG_ACPI_SLEEP

	unsigned long wakeup_pa = real_mode_header->wakeup_start;

	/* do we have a wakeup address for S2 and S3? */

	if (acpi_state == ACPI_STATE_S3) {

		if (!wakeup_pa)

		if (!acpi_wakeup_address)

			return -EFAULT;

		acpi_set_firmware_waking_vector(

				(acpi_physical_address)wakeup_pa);

		acpi_set_firmware_waking_vector(acpi_wakeup_address);



	}

	ACPI_FLUSH_CPU_CACHE();

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