gpio: generic: support input-only chips

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Allow chips to indicates that they are input-only and thus cannot set
the output value.  This will be used by the gpio-etraxfs driver.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Rabin Vincent 2015-07-22 15:05:18 +02:00 • committed by Linus Walleij

parent 1296fba1a3

commit 91492a44b9

2 changed files with 21 additions and 3 deletions

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include/linux/basic_mmio_gpio.h

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