From: Andrew Ruder <andy@aeruder.net>
Date: Wed, 7 Aug 2013 21:52:40 +0000 (-0500)
Subject: gpio: pca953x: fix gpio input on gpio offsets >= 8
X-Git-Tag: v3.12-rc1~111^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40a625daa88653d7942dc85483f6f289cd687cb7;p=pandora-kernel.git

gpio: pca953x: fix gpio input on gpio offsets >= 8

This change fixes a regression introduced by commit
f5f0b7aa8 (gpio: pca953x: make the register access by GPIO bank)

When the pca953x driver was converted to using 8-bit reads/writes
the bitmask in pca953x_gpio_get_value wasn't adjusted with a
modulus BANK_SZ and consequently looks at the wrong bits in the
input register.

Signed-off-by: Andrew Ruder <andrew.ruder@elecsyscorp.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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