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path: root/drivers/acpi/osl.c
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Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 20c9a37643c..cc4a4903842 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -838,7 +838,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
static const int quantum_ms = 1000 / HZ;
ret = down_trylock(sem);
- for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
+ for (i = timeout; (i > 0 && ret != 0); i -= quantum_ms) {
schedule_timeout_interruptible(1);
ret = down_trylock(sem);
}
@@ -1060,11 +1060,9 @@ EXPORT_SYMBOL(max_cstate);
* Acquire a spinlock.
*
* handle is a pointer to the spinlock_t.
- * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
- * that indicates whether we are at interrupt level.
*/
-unsigned long acpi_os_acquire_lock(acpi_handle handle)
+acpi_native_uint acpi_os_acquire_lock(acpi_handle handle)
{
unsigned long flags;
spin_lock_irqsave((spinlock_t *) handle, flags);
@@ -1075,9 +1073,9 @@ unsigned long acpi_os_acquire_lock(acpi_handle handle)
* Release a spinlock. See above.
*/
-void acpi_os_release_lock(acpi_handle handle, unsigned long flags)
+void acpi_os_release_lock(acpi_handle handle, acpi_native_uint flags)
{
- spin_unlock_irqrestore((spinlock_t *) handle, flags);
+ spin_unlock_irqrestore((spinlock_t *) handle, (unsigned long) flags);
}
#ifndef ACPI_USE_LOCAL_CACHE