diff options
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 75 |
1 files changed, 27 insertions, 48 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 1bb558adee66..5a468e2779ae 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -25,7 +25,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -137,6 +136,7 @@ void acpi_os_vprintf(const char *fmt, va_list args) #endif } + extern int acpi_in_resume; void *acpi_os_allocate(acpi_size size) { @@ -280,7 +280,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, acpi_irq_handler = handler; acpi_irq_context = context; - if (request_irq(irq, acpi_irq, SA_SHIRQ, "acpi", acpi_irq)) { + if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) { printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq); return AE_NOT_ACQUIRED; } @@ -586,19 +586,18 @@ static void acpi_os_execute_deferred(void *context) { struct acpi_os_dpc *dpc = NULL; - ACPI_FUNCTION_TRACE("os_execute_deferred"); dpc = (struct acpi_os_dpc *)context; if (!dpc) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n")); - return_VOID; + printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); + return; } dpc->function(dpc->context); kfree(dpc); - return_VOID; + return; } static int acpi_os_execute_thread(void *context) @@ -688,35 +687,19 @@ EXPORT_SYMBOL(acpi_os_wait_events_complete); /* * Allocate the memory for a spinlock and initialize it. */ -acpi_status acpi_os_create_lock(acpi_handle * out_handle) +acpi_status acpi_os_create_lock(acpi_spinlock * handle) { - spinlock_t *lock_ptr; - - ACPI_FUNCTION_TRACE("os_create_lock"); - - lock_ptr = acpi_os_allocate(sizeof(spinlock_t)); - - spin_lock_init(lock_ptr); - - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr)); + spin_lock_init(*handle); - *out_handle = lock_ptr; - - return_ACPI_STATUS(AE_OK); + return AE_OK; } /* * Deallocate the memory for a spinlock. */ -void acpi_os_delete_lock(acpi_handle handle) +void acpi_os_delete_lock(acpi_spinlock handle) { - ACPI_FUNCTION_TRACE("os_create_lock"); - - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle)); - - acpi_os_free(handle); - - return_VOID; + return; } acpi_status @@ -724,11 +707,10 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) { struct semaphore *sem = NULL; - ACPI_FUNCTION_TRACE("os_create_semaphore"); sem = acpi_os_allocate(sizeof(struct semaphore)); if (!sem) - return_ACPI_STATUS(AE_NO_MEMORY); + return AE_NO_MEMORY; memset(sem, 0, sizeof(struct semaphore)); sema_init(sem, initial_units); @@ -738,7 +720,7 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n", *handle, initial_units)); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_create_semaphore); @@ -754,17 +736,16 @@ acpi_status acpi_os_delete_semaphore(acpi_handle handle) { struct semaphore *sem = (struct semaphore *)handle; - ACPI_FUNCTION_TRACE("os_delete_semaphore"); if (!sem) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle)); acpi_os_free(sem); sem = NULL; - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_delete_semaphore); @@ -784,13 +765,12 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout) struct semaphore *sem = (struct semaphore *)handle; int ret = 0; - ACPI_FUNCTION_TRACE("os_wait_semaphore"); if (!sem || (units < 1)) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; if (units > 1) - return_ACPI_STATUS(AE_SUPPORT); + return AE_SUPPORT; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout)); @@ -839,17 +819,17 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout) } if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Failed to acquire semaphore[%p|%d|%d], %s\n", + ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, + "Failed to acquire semaphore[%p|%d|%d], %s", handle, units, timeout, acpi_format_exception(status))); } else { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Acquired semaphore[%p|%d|%d]\n", handle, + "Acquired semaphore[%p|%d|%d]", handle, units, timeout)); } - return_ACPI_STATUS(status); + return status; } EXPORT_SYMBOL(acpi_os_wait_semaphore); @@ -861,20 +841,19 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units) { struct semaphore *sem = (struct semaphore *)handle; - ACPI_FUNCTION_TRACE("os_signal_semaphore"); if (!sem || (units < 1)) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; if (units > 1) - return_ACPI_STATUS(AE_SUPPORT); + return AE_SUPPORT; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle, units)); up(sem); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_signal_semaphore); @@ -1043,10 +1022,10 @@ EXPORT_SYMBOL(max_cstate); * handle is a pointer to the spinlock_t. */ -acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle) +acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock lockp) { acpi_cpu_flags flags; - spin_lock_irqsave((spinlock_t *) handle, flags); + spin_lock_irqsave(lockp, flags); return flags; } @@ -1054,9 +1033,9 @@ acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle) * Release a spinlock. See above. */ -void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags) +void acpi_os_release_lock(acpi_spinlock lockp, acpi_cpu_flags flags) { - spin_unlock_irqrestore((spinlock_t *) handle, flags); + spin_unlock_irqrestore(lockp, flags); } #ifndef ACPI_USE_LOCAL_CACHE |