Merge branch 'linus' into core/percpu

[safe/jmp/linux-2.6] / drivers / base / dd.c

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 315bed8..1352312 100644 (file)
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -18,9 +18,11 @@
  */
 
 #include <linux/device.h>
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/kthread.h>
 #include <linux/wait.h>
+#include <linux/async.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -168,6 +170,21 @@ int driver_probe_done(void)
 }
 
 /**
+ * wait_for_device_probe
+ * Wait for device probing to be completed.
+ *
+ * Note: this function polls at 100 msec intervals.
+ */
+int wait_for_device_probe(void)
+{
+       /* wait for the known devices to complete their probing */
+       while (driver_probe_done() != 0)
+               msleep(100);
+       async_synchronize_full();
+       return 0;
+}
+
+/**
  * driver_probe_device - attempt to bind device & driver together
  * @drv: driver to bind a device to
  * @dev: device to try to bind to the driver