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firmware class: export nowait to userspace
When we use request_firmware_nowait(), userspace may not want to answer negatively right away when for example it is answering from an initrd only, but with request_firmware() it has to in order to not delay the kernel boot until the request times out. This allows userspace to differentiate between the two in order to be able to reply negatively to async requests only when all filesystems have been mounted and have been checked for the requested firmware file. Signed-off-by: Johannes Berg <[email protected]> Cc: Kay Sievers <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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