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* gpio: Report errors when GPIOs cannot be readSimon Glass2016-03-171-7/+27
| | | | | | | 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@chromium.org>
* gpio: Correct handling of 'gpio status'Simon Glass2016-02-151-1/+1
| | | | | | | | | | | | This is broken - we need to look at the first two characters to distinguish 'gpio status' from 'gpio set'. Fixes: 0ffe6ab5 (gpio: Allow 's' as an abbreviation for 'status') Reported-by: Soeren Moch <smoch@web.de> Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Soeren Moch <smoch@web.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Hannes Schmelzer <oe5hpm@oevsv.at>
* Remove the cmd_ prefix from command filesSimon Glass2016-01-251-0/+220
Now that they are in their own directory, we can remove this prefix. This makes it easier to find a file since the prefix does not get in the way. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
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