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path: root/drivers/base/dd.c
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-rw-r--r--drivers/base/dd.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 315bed8d5e7f..135231239103 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -18,9 +18,11 @@
18 */ 18 */
19 19
20#include <linux/device.h> 20#include <linux/device.h>
21#include <linux/delay.h>
21#include <linux/module.h> 22#include <linux/module.h>
22#include <linux/kthread.h> 23#include <linux/kthread.h>
23#include <linux/wait.h> 24#include <linux/wait.h>
25#include <linux/async.h>
24 26
25#include "base.h" 27#include "base.h"
26#include "power/power.h" 28#include "power/power.h"
@@ -168,6 +170,21 @@ int driver_probe_done(void)
168} 170}
169 171
170/** 172/**
173 * wait_for_device_probe
174 * Wait for device probing to be completed.
175 *
176 * Note: this function polls at 100 msec intervals.
177 */
178int wait_for_device_probe(void)
179{
180 /* wait for the known devices to complete their probing */
181 while (driver_probe_done() != 0)
182 msleep(100);
183 async_synchronize_full();
184 return 0;
185}
186
187/**
171 * driver_probe_device - attempt to bind device & driver together 188 * driver_probe_device - attempt to bind device & driver together
172 * @drv: driver to bind a device to 189 * @drv: driver to bind a device to
173 * @dev: device to try to bind to the driver 190 * @dev: device to try to bind to the driver