driver core: fix documentation of request_firmware_nowait
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>
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@ -77,7 +77,8 @@
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seconds for the whole load operation.
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- request_firmware_nowait() is also provided for convenience in
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non-user contexts.
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user contexts to request firmware asynchronously, but can't be called
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in atomic contexts.
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about in-kernel persistence:
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@ -617,8 +617,9 @@ request_firmware_work_func(void *arg)
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* @cont: function will be called asynchronously when the firmware
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* request is over.
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*
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* Asynchronous variant of request_firmware() for contexts where
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* it is not possible to sleep.
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* Asynchronous variant of request_firmware() for user contexts where
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* it is not possible to sleep for long time. It can't be called
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* in atomic contexts.
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**/
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int
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request_firmware_nowait(
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