Messages in this thread | | | Date | Sun, 17 Jun 2012 20:04:47 +0200 | Subject | Re: [PATCH] gpio: of_get_named_gpio_flags() return -EPROBE_DEFER if GPIO not yet available | From | Linus Walleij <> |
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On Sun, Jun 17, 2012 at 12:11 PM, Roland Stigge <stigge@antcom.de> wrote:
> of_get_named_gpio_flags() and of_get_named_gpio() return -EPROBE_DEFER if the > respective GPIO is not (yet) available. This is useful if driver's probe() > functions try to get a GPIO whose controller isn't probed yet. Thus, the driver > can be probed again later on. > > The function still returns -EINVAL on other errors (parse error or node doesn't > exist). This way, the case of an optional/intentionally missing GPIO is handled > appropriately. > > Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This will work, good work! Yours, Linus Walleij
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