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authorAlexey Starikovskiy <astarikovskiy@suse.de>2007-09-30 22:39:36 +0400
committerLen Brown <len.brown@intel.com>2007-10-10 01:00:26 -0400
commitd30dc9abb4aacfd4df3f486f22bcbc0531b73283 (patch)
treecb2d69e1b5fc00ad7a6691f362e814ddd6af61fa /drivers/acpi/hardware/hwsleep.c
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
ACPICA: hw: remove use_lock flag from acpi_hw_register_{read, write}
use_lock flag is used once for acpi_hw_register_read, and never for acpi_hw_register_write. It will greatly simplify understanding of locking if we just drop this use_lock altogether, and wrap the only call to ..._read in lock/unlock. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/hardware/hwsleep.c')
-rw-r--r--drivers/acpi/hardware/hwsleep.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index cf69c0040a39..4d0c677fac19 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -313,8 +313,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
/* Get current value of PM1A control */
- status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -341,15 +340,13 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
/* Write #1: fill in SLP_TYP data */
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -364,15 +361,13 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
ACPI_FLUSH_CPU_CACHE();
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
@@ -392,8 +387,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
*/
acpi_os_stall(10000000);
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
sleep_enable_reg_info->
access_bit_mask);
if (ACPI_FAILURE(status)) {
@@ -520,8 +514,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
/* Get current value of PM1A control */
- status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL,
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
&PM1Acontrol);
if (ACPI_SUCCESS(status)) {
@@ -543,11 +536,9 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
/* Just ignore any errors */
- (void)acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ (void)acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
- (void)acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ (void)acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
}
}