Messages in this thread | | | Date | Tue, 17 Jul 2012 15:30:46 -0300 | Subject | Re: [PATCH RESEND] gpio: of_get_named_gpio_flags() return -EPROBE_DEFER if GPIO not yet available | From | Alexandre Pereira da Silva <> |
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On Tue, Jul 17, 2012 at 3:24 PM, Linus Walleij <linus.walleij@linaro.org> wrote: > On Thu, Jun 28, 2012 at 12:32 AM, 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> > > Patch applied, if all gpio stuff shall defer properly in v3.6 we need this > so let's do some testing in -next! > > Would be nice to get some ACK besides my own...
You can add mine. I've been using this patch for quite some time now.
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
> Yours, > Linus Walleij
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