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>
git-mirror · Jan 14, 2011 · 9a1fe2f · 9a1fe2f
1 parent 6ab8219
commit 9a1fe2f
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Showing 3 changed files with 3 additions and 2 deletions.
diff --git 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
@@ -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
@@ -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);