pinctrl: plgpio: Call clk_disable_unprepare only if clk_prepare_enable is called
authorAxel Lin <axel.lin@ingics.com>
Wed, 14 Nov 2012 08:37:45 +0000 (16:37 +0800)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 15 Nov 2012 11:33:11 +0000 (12:33 +0100)
commit9804049097af11b4f64a82b0e8c8078b3f2cbada
treee7577b2509e0df6518bef68e16e7ee2273eb1fec
parent6f37b1b4d407d6abcd24c4519cd892903229cd95
pinctrl: plgpio: Call clk_disable_unprepare only if clk_prepare_enable is called

This driver allows clk_get() failure, and still work without it.
This patch adds !IS_ERR(plgpio->clk) checking in plgpio_request() error path
so we only call clk_disable_unprepare() if clk_prepare_enable() is called.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/spear/pinctrl-plgpio.c