WorkStruct: make allyesconfig

[net-next-2.6.git] / drivers / mmc / mmc_sysfs.c

diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c
index a2a35fd946eecf8a2b9fc585b2687f39e2806e82..fd9a5fc6db7becf7ab9d490af15e400c8f6e7767 100644 (file)
--- a/drivers/mmc/mmc_sysfs.c
+++ b/drivers/mmc/mmc_sysfs.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/idr.h>
+#include <linux/workqueue.h>
 
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
@@ -317,10 +318,33 @@ void mmc_free_host_sysfs(struct mmc_host *host)
        class_device_put(&host->class_dev);
 }
 
+static struct workqueue_struct *workqueue;
+
+/*
+ * Internal function. Schedule delayed work in the MMC work queue.
+ */
+int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay)
+{
+       return queue_delayed_work(workqueue, work, delay);
+}
+
+/*
+ * Internal function. Flush all scheduled work from the MMC work queue.
+ */
+void mmc_flush_scheduled_work(void)
+{
+       flush_workqueue(workqueue);
+}
 
 static int __init mmc_init(void)
 {
-       int ret = bus_register(&mmc_bus_type);
+       int ret;
+
+       workqueue = create_singlethread_workqueue("kmmcd");
+       if (!workqueue)
+               return -ENOMEM;
+
+       ret = bus_register(&mmc_bus_type);
        if (ret == 0) {
                ret = class_register(&mmc_host_class);
                if (ret)
@@ -333,6 +357,7 @@ static void __exit mmc_exit(void)
 {
        class_unregister(&mmc_host_class);
        bus_unregister(&mmc_bus_type);
+       destroy_workqueue(workqueue);
 }
 
 module_init(mmc_init);