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Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/osl.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index c84286cbbe25..068fe4f100b0 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -73,7 +73,6 @@ static unsigned int acpi_irq_irq;
static acpi_osd_handler acpi_irq_handler;
static void *acpi_irq_context;
static struct workqueue_struct *kacpid_wq;
-static struct workqueue_struct *kacpi_notify_wq;
acpi_status acpi_os_initialize(void)
{
@@ -92,9 +91,8 @@ acpi_status acpi_os_initialize1(void)
return AE_NULL_ENTRY;
}
kacpid_wq = create_singlethread_workqueue("kacpid");
- kacpi_notify_wq = create_singlethread_workqueue("kacpi_notify");
BUG_ON(!kacpid_wq);
- BUG_ON(!kacpi_notify_wq);
+
return AE_OK;
}
@@ -106,7 +104,6 @@ acpi_status acpi_os_terminate(void)
}
destroy_workqueue(kacpid_wq);
- destroy_workqueue(kacpi_notify_wq);
return AE_OK;
}
@@ -569,7 +566,10 @@ void acpi_os_derive_pci_id(acpi_handle rhandle, /* upper bound */
static void acpi_os_execute_deferred(void *context)
{
- struct acpi_os_dpc *dpc = (struct acpi_os_dpc *)context;
+ struct acpi_os_dpc *dpc = NULL;
+
+
+ dpc = (struct acpi_os_dpc *)context;
if (!dpc) {
printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
return;
@@ -604,12 +604,14 @@ acpi_status acpi_os_execute(acpi_execute_type type,
struct acpi_os_dpc *dpc;
struct work_struct *task;
+ ACPI_FUNCTION_TRACE("os_queue_for_execution");
+
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Scheduling function [%p(%p)] for deferred execution.\n",
function, context));
if (!function)
- return AE_BAD_PARAMETER;
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
/*
* Allocate/initialize DPC structure. Note that this memory will be
@@ -622,20 +624,26 @@ acpi_status acpi_os_execute(acpi_execute_type type,
* from the same memory.
*/
- dpc = kmalloc(sizeof(struct acpi_os_dpc) +
- sizeof(struct work_struct), GFP_ATOMIC);
+ dpc =
+ kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct),
+ GFP_ATOMIC);
if (!dpc)
- return AE_NO_MEMORY;
+ return_ACPI_STATUS(AE_NO_MEMORY);
+
dpc->function = function;
dpc->context = context;
+
task = (void *)(dpc + 1);
INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc);
- if (!queue_work((type == OSL_NOTIFY_HANDLER)?
- kacpi_notify_wq : kacpid_wq, task)) {
- status = AE_ERROR;
+
+ if (!queue_work(kacpid_wq, task)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Call to queue_work() failed.\n"));
kfree(dpc);
+ status = AE_ERROR;
}
- return status;
+
+ return_ACPI_STATUS(status);
}
EXPORT_SYMBOL(acpi_os_execute);