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author | Ingo Molnar <mingo@elte.hu> | 2011-06-04 12:13:06 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-06-04 12:13:06 +0200 |
commit | 710054ba25c0d1f8f41c22ce13ba336503fb5318 (patch) | |
tree | f9b09b722bf511841539173d946f90a20fc2e59a /drivers/acpi/osl.c | |
parent | perf, cgroups: Fix up for new API (diff) | |
parent | perf python: Fix argument name list of read_on_cpu() (diff) | |
download | linux-710054ba25c0d1f8f41c22ce13ba336503fb5318.tar.xz linux-710054ba25c0d1f8f41c22ce13ba336503fb5318.zip |
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r-- | drivers/acpi/osl.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 45ad4ffef533..52ca9649d769 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -902,14 +902,6 @@ void acpi_os_wait_events_complete(void *context) EXPORT_SYMBOL(acpi_os_wait_events_complete); -/* - * Deallocate the memory for a spinlock. - */ -void acpi_os_delete_lock(acpi_spinlock handle) -{ - return; -} - acpi_status acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) { @@ -1341,6 +1333,31 @@ int acpi_resources_are_enforced(void) EXPORT_SYMBOL(acpi_resources_are_enforced); /* + * Create and initialize a spinlock. + */ +acpi_status +acpi_os_create_lock(acpi_spinlock *out_handle) +{ + spinlock_t *lock; + + lock = ACPI_ALLOCATE(sizeof(spinlock_t)); + if (!lock) + return AE_NO_MEMORY; + spin_lock_init(lock); + *out_handle = lock; + + return AE_OK; +} + +/* + * Deallocate the memory for a spinlock. + */ +void acpi_os_delete_lock(acpi_spinlock handle) +{ + ACPI_FREE(handle); +} + +/* * Acquire a spinlock. * * handle is a pointer to the spinlock_t. |