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driver core: fix documentation of request_firmware_nowait

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request_firmware_nowait declares it can be called in non-sleep contexts,
but kthead_run called by request_firmware_nowait may sleep. So fix its
documentation and comment to make callers clear about it.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ming Lei 2009-05-29 11:33:19 +08:00 committed by Greg Kroah-Hartman
parent c4c0168434
commit 7fcab09979
2 changed files with 5 additions and 3 deletions
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3
Documentation/firmware_class/README
View File

@ -77,7 +77,8 @@
seconds for the whole load operation.
- request_firmware_nowait() is also provided for convenience in
non-user contexts.
user contexts to request firmware asynchronously, but can't be called
in atomic contexts.
about in-kernel persistence:

5
drivers/base/firmware_class.c
View File

@ -617,8 +617,9 @@ request_firmware_work_func(void *arg)
* @cont: function will be called asynchronously when the firmware
* request is over.
*
* Asynchronous variant of request_firmware() for contexts where
* it is not possible to sleep.
* Asynchronous variant of request_firmware() for user contexts where
* it is not possible to sleep for long time. It can't be called
* in atomic contexts.
**/
int
request_firmware_nowait(