Use devm_ functions to allocate memory, ioremap, clk_get etc to clean up
the error unwind path.
Signed-off-by: NDaniel Mack <zonque@gmail.com>
Acked-by: NHaojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: NMark Brown <broonie@linaro.org>