On Thu, Nov 6, 2014 at 12:22 PM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> On Thu, Nov 06, 2014 at 12:12:04PM +0100, Geert Uytterhoeven wrote:
>> On Thu, Nov 6, 2014 at 11:58 AM, Mika Westerberg
>> <mika.westerberg@xxxxxxxxxxxxxxx> wrote:
>> > On Thu, Nov 06, 2014 at 11:32:19AM +0100, Geert Uytterhoeven wrote:
>> >> On Thu, Nov 6, 2014 at 11:30 AM, Mika Westerberg
>> >> <mika.westerberg@xxxxxxxxxxxxxxx> wrote:
>> >> >> "leds: leds-gpio: Add support for GPIO descriptors" broke leds-gpio on
>> >> >> non-DT platforms for me:
>> >> >>
>> >> >> gpiod_direction_output: invalid GPIO
>> >> >> leds-gpio: probe of leds-gpio failed with error -22
>> >> >>
>> >> >> (desc is NULL in gpiod_direction_output()).
>> leds-gpio leds-gpio: GPIO 102, ret: 0
>> leds-gpio leds-gpio: GPIOD: c050e970
>>
>> So led_dat is non-NULL. But it's overwritten by NULL later:
>>
>> led_dat->gpiod = template->gpiod;
>
> Ah, that's it. Nice catch!
>
>> Whitespace damaged fix below, to fold into the original.
>> If you prefer a proper separate patch, let me know.
>
> It is up to Rafael. I think he wants to stabilize this branch so in that
> case separate patch on top would work better.
I've already sent a patch, as I have to publish the fix in my git tree anyway.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
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
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