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| author | Linus Torvalds | 2009-02-21 23:17:26 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2009-02-21 23:17:26 +0100 |
| commit | adfafefd104d840ee4461965f22624d77532675b (patch) | |
| tree | 6c6ba553a2b11703bf5952bd789905ea37c4fc4f /drivers | |
| parent | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
| parent | PM: Fix suspend_console and resume_console to use only one semaphore (diff) | |
| download | kernel-qcow2-linux-adfafefd104d840ee4461965f22624d77532675b.tar.gz kernel-qcow2-linux-adfafefd104d840ee4461965f22624d77532675b.tar.xz kernel-qcow2-linux-adfafefd104d840ee4461965f22624d77532675b.zip | |
Merge branch 'hibernate'
* hibernate:
PM: Fix suspend_console and resume_console to use only one semaphore
PM: Wait for console in resume
PM: Fix pm_notifiers during user mode hibernation
swsusp: clean up shrink_all_zones()
swsusp: dont fiddle with swappiness
PM: fix build for CONFIG_PM unset
PM/hibernate: fix "swap breaks after hibernation failures"
PM/resume: wait for device probing to finish
Consolidate driver_probe_done() loops into one place
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/dd.c | 17 |
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 @@ */ #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 |