summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/osl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff26786154..59ec5f52e84 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -84,8 +84,7 @@ 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;
-struct workqueue_struct *kacpi_hotplug_wq;
-EXPORT_SYMBOL(kacpi_hotplug_wq);
+static struct workqueue_struct *kacpi_hotplug_wq;
/*
* This list of permanent mappings is for memory that may be accessed from
@@ -1778,3 +1777,24 @@ void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
{
__acpi_os_prepare_sleep = func;
}
+
+void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context,
+ void (*func)(struct work_struct *work))
+{
+ struct acpi_hp_work *hp_work;
+ int ret;
+
+ hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL);
+ if (!hp_work)
+ return;
+
+ hp_work->handle = handle;
+ hp_work->type = type;
+ hp_work->context = context;
+
+ INIT_WORK(&hp_work->work, func);
+ ret = queue_work(kacpi_hotplug_wq, &hp_work->work);
+ if (!ret)
+ kfree(hp_work);
+}
+EXPORT_SYMBOL_GPL(alloc_acpi_hp_work);