On Tue, Sep 10, 2013 at 01:53:47PM -0600, Stephen Warren wrote: > Doesn't this patch call gpio_request() on the GPIO first, and hence > prevent the driver's own gpio_request() from succeeding, since the GPIO > is already requested? If this is not a problem, it sounds like a bug in > gpio_request() not ensuring mutual exclusion for the GPIO. Or at the very least something that's likely to break in the future.
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