From: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Date: Wed, 29 Apr 2015 15:35:01 +0000 (+0300)
Subject: gpio: mxc: read output value from GPIO_DR register
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~191^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=442b2494b17d1a4f0a14721580271eb23ebffd42;p=pandora-kernel.git

gpio: mxc: read output value from GPIO_DR register

All supported iMX GPIO controllers store configured GPIO output value
in GPIO_DR data register, which is represented by GPIO generic reg_set.
Provide a BGPIOF_READ_OUTPUT_REG_SET flag to bgpio_init() to allow
correct getting of previously set output value.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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