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authorSimon Glass <sjg@chromium.org>2015-08-31 18:55:36 -0600
committerSimon Glass <sjg@chromium.org>2016-03-17 21:27:37 -0600
commitb71bea71294959c07e67ce7c91594f380f82f3a9 (patch)
treec78d4f31fbb91a6ff5760d610b67b6ba19b7418f /arch/arm
parentf23baa572f96e1e13d7f1a3c8addb61b5d0dbd29 (diff)
downloadtalos-obmc-uboot-b71bea71294959c07e67ce7c91594f380f82f3a9.tar.gz
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gpio: Report errors when GPIOs cannot be read
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>
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