mmc: move layer init and workqueue to core file

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 48 insertions, 1 deletions

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 66e463d100c..b5d8a6d90cc 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -27,7 +27,8 @@
 #include <linux/mmc/sd.h>
 
 #include "core.h"
-#include "sysfs.h"
+#include "bus.h"
+#include "host.h"
 
 #include "mmc_ops.h"
 #include "sd_ops.h"
@@ -35,6 +36,25 @@
 extern int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
 extern int mmc_attach_sd(struct mmc_host *host, u32 ocr);
 
+static struct workqueue_struct *workqueue;
+
+/*
+ * Internal function. Schedule delayed work in the MMC work queue.
+ */
+static 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.
+ */
+static void mmc_flush_scheduled_work(void)
+{
+        flush_workqueue(workqueue);
+}
+
 /**
  *      mmc_request_done - finish processing an MMC request
  *      @host: MMC host which completed request
@@ -638,4 +658,31 @@ EXPORT_SYMBOL(mmc_resume_host);
 
 #endif
 
+static int __init mmc_init(void)
+{
+        int ret;
+
+        workqueue = create_singlethread_workqueue("kmmcd");
+        if (!workqueue)
+                return -ENOMEM;
+
+        ret = mmc_register_bus();
+        if (ret == 0) {
+                ret = mmc_register_host_class();
+                if (ret)
+                        mmc_unregister_bus();
+        }
+        return ret;
+}
+
+static void __exit mmc_exit(void)
+{
+        mmc_unregister_host_class();
+        mmc_unregister_bus();
+        destroy_workqueue(workqueue);
+}
+
+module_init(mmc_init);
+module_exit(mmc_exit);
+
 MODULE_LICENSE("GPL");