[U-Boot] [PATCH v3 2/4] gpio: Report errors when GPIOs cannot be read

[Simon Glass]

On 31 August 2015 at 18:55, Simon Glass <sjg at chromium.org> wrote:
> Some controllers do not allow the output value to be read. Detect this and
> report the error in that case.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  common/cmd_gpio.c | 34 +++++++++++++++++++++++++++-------
>  1 file changed, 27 insertions(+), 7 deletions(-)

Applied to u-boot-dm/next.