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| author | Arjan van de Ven <arjan@linux.intel.com> | 2009-02-14 01:59:06 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-21 14:17:17 -0800 |
| commit | 216773a787c3c46ef26bf1742c1fdba37d26be45 (patch) | |
| tree | aac387553fd53cb0c06b5cc2ee86329ce793bed6 /drivers/base/dd.c | |
| parent | d2f8d7ee1a9b4650b4e43325b321801264f7c37a (diff) | |
| download | linux-3.10-216773a787c3c46ef26bf1742c1fdba37d26be45.tar.gz linux-3.10-216773a787c3c46ef26bf1742c1fdba37d26be45.tar.bz2 linux-3.10-216773a787c3c46ef26bf1742c1fdba37d26be45.zip | |
Consolidate driver_probe_done() loops into one place
there's a few places that currently loop over driver_probe_done(), and
I'm about to add another one. This patch abstracts it into a helper
to reduce duplication.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Len Brown <lenb@kernel.org>
Acked-by: Greg KH <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/base/dd.c')
| -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 315bed8d5e7..13523123910 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 |