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H A Dgpio-timberdale.cdiff d79550a7bc35c16476ebdc27c78378d8093390ec Thu Oct 11 01:56:35 CDT 2012 Dan Carpenter <dan.carpenter@oracle.com> gpio-timberdale: fix a potential wrapping issue

->last_ier is an unsigned long but the high bits can't be used int the
original code because the shift wraps.

Cc: stable@kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>