lkml.org 
[lkml]   [2016]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/5] gpio: of: Return error if gpio hog configuration failed
On Tue, Mar 08, 2016 at 05:32:06PM +0530, Laxman Dewangan wrote:
> If GPIO hog configuration failed while adding OF based
> gpiochip() then return the error instead of ignoring it.
>
> This helps of properly handling the gpio driver dependency.
>
> When adding the gpio hog nodes for NVIDIA's Tegra210 platforms,
> the gpio_hogd() fails with EPROBE_DEFER because pinctrl is not
> ready at this time and gpio_request() for Tegra GPIO driver
> returns error. The error was not causing the Tegra GPIO driver
> to fail as the error was getting ignored.
>
> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
> Cc: Benoit Parrot <bparrot@ti.com>
> Cc: Alexandre Courbot <acourbot@nvidia.com>
> ---
> drivers/gpio/gpiolib-of.c | 15 +++++++++------
> 1 file changed, 9 insertions(+), 6 deletions(-)

Reviewed-by: Thierry Reding <treding@nvidia.com>
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2016-03-08 16:01    [W:0.110 / U:0.812 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site