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 <[email protected]>

Cc Haojian Zhuang <[email protected]>

Cc Eric Miao <[email protected]>

Cc Florian Tobias Schandinat <[email protected]>

---
 drivers/video/pxafb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

drivers/video/pxafb.c +2 -2

index 1d1e4f1..904f839 100644
@@ -1431,7 +1431,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
 	pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3);
 
 	/* enable LCD controller clock */
-	clk_enable(fbi->clk);
+	clk_prepare_enable(fbi->clk);
 
 	if (fbi->lccr0 & LCCR0_LCDT)
 		return;

@@ -1471,7 +1471,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
 	wait_for_completion_timeout(&fbi->disable_done, 200 * HZ / 1000);
 
 	/* disable LCD controller clock */
-	clk_disable(fbi->clk);
+	clk_disable_unprepare(fbi->clk);
 }
 
 /*