Hi Tomeu, On Wed, Jul 1, 2015 at 2:45 PM, Tomeu Vizoso <[email protected]> wrote: > When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER if > the pin controller isn't available. > > Otherwise, the GPIO range wouldn't be set at all unless the pin > controller probed always before the GPIO chip. > > With this change, the probe of the GPIO chip will be deferred and will > be retried at a later point, hopefully once the pin controller has been > registered and probed already. > > Signed-off-by: Tomeu Vizoso <[email protected]>
I was a bit afraid this would break the case of gpio controllers that are also pin controllers, i.e. where "gpio-ranges" points to the gpio controller itself[*], but it doesn't. Tested-by: Geert Uytterhoeven <[email protected]> [*] E.g. "[PATCH 2/7] ARM: shmobile: r8a7740 dtsi: Add missing "gpio-ranges" to gpio node" (http://www.spinics.net/lists/linux-sh/msg43077.html) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
