gpio: generic: fix signedness bug found by cppcheck

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cppcheck reports this:

(style) int result is returned as long value. If the return
value is long to avoid loss of information, then you have
loss of information.

This can be fixed with (1UL << pin) but that is the same
as using <linux/bitops.h> that already use 1UL so take
this approach.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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This commit is contained in:

Linus Walleij 2016-01-05 11:13:28 +01:00

parent 13e676be08

commit 4b63739efa

1 changed files with 3 additions and 2 deletions

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drivers/gpio/gpio-generic.c

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