lkml.org 
[lkml]   [2018]   [Feb]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] gpiolib: Keep returning EPROBE_DEFER when we should
On Wed, Feb 21, 2018 at 9:11 AM, Maxime Ripard
<maxime.ripard@bootlin.com> wrote:

> Commits c85823390215 ("gpio: of: Support SPI nonstandard GPIO properties")
> and 6a537d48461d ("gpio: of: Support regulator nonstandard GPIO
> properties") have introduced a regression in the way error codes from
> of_get_named_gpiod_flags are handled.
>
> Previously, those errors codes were returned immediately, but the two
> commits mentioned above are now overwriting the error pointer, meaning that
> whatever value has been returned will be dropped in favor of whatever the
> two new functions will return.
>
> This might not be a big deal except for EPROBE_DEFER, on which GPIOlib
> customers will depend on, and that will now be returned as an hard error
> which means that they will not probe anymore, instead of gently deferring
> their probe.
>
> Since EPROBE_DEFER basically means that we have found a valid property but
> there was no GPIO controller registered to handle it, fix this issues by
> returning it as soon as we encounter it.
>
> Fixes: c85823390215 ("gpio: of: Support SPI nonstandard GPIO properties")
> Fixes: 6a537d48461d ("gpio: of: Support regulator nonstandard GPIO properties")
> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

Whoops sorry for that, patch applied for fixes.

Thanks you for your help!

Yours,
Linus Walleij

\
 
 \ /
  Last update: 2018-02-21 09:17    [W:0.093 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site