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authorLen Brown <len.brown@intel.com>2012-07-26 19:40:08 -0400
committerLen Brown <len.brown@intel.com>2012-07-30 21:10:16 -0400
commit3b6961ba8c682cc71e51079017743c1b282fd259 (patch)
tree5c8cafe80b6cc8f6358046a402f815624df324dc /arch/x86/kernel
parentec033d0a02901551346b9f43f8ff9bad51378891 (diff)
downloadblackbird-op-linux-3b6961ba8c682cc71e51079017743c1b282fd259.tar.gz
blackbird-op-linux-3b6961ba8c682cc71e51079017743c1b282fd259.zip
ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler'
cd74257b974d6d26442c97891c4d05772748b177 patched up GTS/BFS -- a feature we want to remove. So revert it (by hand, due to conflict in sleep.h) to prepare for GTS/BFS removal. Signed-off-by: Len Brown <len.brown@intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/acpi/sleep.c4
-rw-r--r--arch/x86/kernel/acpi/sleep.h2
-rw-r--r--arch/x86/kernel/acpi/wakeup_32.S4
-rw-r--r--arch/x86/kernel/acpi/wakeup_64.S4
4 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 95bf99de9058..1b8e5a03d942 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -25,10 +25,6 @@ unsigned long acpi_realmode_flags;
static char temp_stack[4096];
#endif
-asmlinkage void acpi_enter_s3(void)
-{
- acpi_enter_sleep_state(3, wake_sleep_flags);
-}
/**
* acpi_suspend_lowlevel - save kernel state
*
diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
index 5653a5791ec9..67f59f8c6956 100644
--- a/arch/x86/kernel/acpi/sleep.h
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -2,7 +2,6 @@
* Variables and functions used by the code in sleep.c
*/
-#include <linux/linkage.h>
#include <asm/realmode.h>
extern unsigned long saved_video_mode;
@@ -11,7 +10,6 @@ extern long saved_magic;
extern int wakeup_pmode_return;
extern u8 wake_sleep_flags;
-extern asmlinkage void acpi_enter_s3(void);
extern unsigned long acpi_copy_wakeup_routine(unsigned long);
extern void wakeup_long64(void);
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index 72610839f03b..13ab720573e3 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -74,7 +74,9 @@ restore_registers:
ENTRY(do_suspend_lowlevel)
call save_processor_state
call save_registers
- call acpi_enter_s3
+ pushl $3
+ call acpi_enter_sleep_state
+ addl $4, %esp
# In case of S3 failure, we'll emerge here. Jump
# to ret_point to recover
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 014d1d28c397..8ea5164cbd04 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -71,7 +71,9 @@ ENTRY(do_suspend_lowlevel)
movq %rsi, saved_rsi
addq $8, %rsp
- call acpi_enter_s3
+ movl $3, %edi
+ xorl %eax, %eax
+ call acpi_enter_sleep_state
/* in case something went wrong, restore the machine status and go on */
jmp resume_point
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