diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-01-15 01:25:57 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-15 02:21:42 +0300 |
| commit | 9a1fe2f27f71dd275caf2be5be2fa59bd2a3f8d4 (patch) | |
| tree | 4cf4dcf1119c9876db84245ea7fedb7edb429f3f /drivers/acpi | |
| parent | 6ab82196492a0b6968a654a06aae923b28afef0d (diff) | |
| download | linux-9a1fe2f27f71dd275caf2be5be2fa59bd2a3f8d4.tar.xz | |
ACPI / ACPICA: Initialize the global lock spinlock as appropriate
Commit 9cd0314 (ACPI / ACPICA: Fix global lock acquisition) forgot to
initialize the spinlock it added. Fix that.
Reported-and-tested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/acglobal.h | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evmisc.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utmutex.c | 1 |
3 files changed, 3 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 9bb69c59bb12..0e4dba0d0325 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -228,8 +228,10 @@ ACPI_EXTERN u8 acpi_gbl_global_lock_present; */ ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */ ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */ +ACPI_EXTERN spinlock_t _acpi_ev_global_lock_pending_lock; /* For global lock */ #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock +#define acpi_ev_global_lock_pending_lock &_acpi_ev_global_lock_pending_lock /***************************************************************************** * diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index 8e31bb5a973a..38bba66fcce5 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -293,8 +293,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) * ******************************************************************************/ static u8 acpi_ev_global_lock_pending; -static spinlock_t _acpi_ev_global_lock_pending_lock; -#define acpi_ev_global_lock_pending_lock &_acpi_ev_global_lock_pending_lock static u32 acpi_ev_global_lock_handler(void *context) { diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index d9efa495b433..199528ff7f1d 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -85,6 +85,7 @@ acpi_status acpi_ut_mutex_initialize(void) spin_lock_init(acpi_gbl_gpe_lock); spin_lock_init(acpi_gbl_hardware_lock); + spin_lock_init(acpi_ev_global_lock_pending_lock); /* Mutex for _OSI support */ status = acpi_os_create_mutex(&acpi_gbl_osi_mutex); |