On Thu, Mar 08, 2012 at 03:51:23PM +0100, Thierry Reding wrote: > If the specified GPIO is not found, return -EPROBE_DEFER. This will > cause the driver to be probed again later when the required GPIO may > have become available.
Might be worth pushing this into gpiolib? It seems like wanting to defer if a GPIO is not found will be the overwhelmingly common case given that the GPIO numbers need to be explicitly specified.
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