On Thu, Jun 28, 2012 at 12:32 AM, Roland Stigge <stigge@xxxxxxxxx> 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@xxxxxxxxx> > Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx> If I understand correctly this relates closely to another patch from Mark Brown we discussed the other day (sorry for missing this patch, which arrived earlier, for a while). Mark/Grant can you look at this patch? Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
