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gpio: Fix ngpio in gpio-xilinx driver
authorGernot Vormayr <gvormayr@gmail.com>
Tue, 23 Sep 2014 22:58:45 +0000 (00:58 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Wed, 24 Sep 2014 11:37:38 +0000 (13:37 +0200)
If one adds gpio-controller; to the chip in the devicetree, then
initialization fails with 'gpiochip_find_base: cannot find free range',
because ngpio is 0. This patch fixes the bug.

This version includes the suggestions from Linus Walleij.

Tested on ml507 board.

Signed-off-by: Gernot Vormayr <gvormayr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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