Messages in this thread | | | Date | Mon, 18 Jun 2012 14:29:07 -0300 | Subject | Re: [PATCH] sound/gpio: of_get_named_gpio() return -EPROBE_DEFER if GPIO deferred | From | Alexandre Pereira da Silva <> |
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On Mon, Jun 18, 2012 at 2:22 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. > > For this change, two sound drivers (tegra_{alc5632,wm8903}) need to be > adjusted. > > Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
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