video: pxafb: add clk_prepare/clk_unprepare calls
video: pxafb: add clk_prepare/clk_unprepare calls

This patch adds clk_prepare/clk_unprepare calls to the pxafb
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <1f94b3da04d839c1c06fd881f52fcf8011297561@gmail.com>
Cc: Haojian Zhuang <979139d45d262f0480136b0da512e0afa0fe79d3@marvell.com>
Cc: Eric Miao <60e376623d7bcedd53f4c51cbb2c060fb40a4887@gmail.com>
Signed-off-by: Florian Tobias Schandinat <9843642cd7809d7c6d8c25ac9e4b0e2f1b5283bf@gmx.de>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas