nand: mxc_nand: Use clk_prepare_enable/clk_disable_unprepare

Prepare the clock before enabling it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 6acc790..fc3b38c 100644 (file)
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -784,7 +784,7 @@ static void mxc_nand_select_chip_v2(struct mtd_info *mtd, int chip)
        if (chip == -1) {
                /* Disable the NFC clock */
                if (host->clk_act) {
-                       clk_disable(host->clk);
+                       clk_disable_unprepare(host->clk);
                        host->clk_act = 0;
                }
                return;
@@ -792,7 +792,7 @@ static void mxc_nand_select_chip_v2(struct mtd_info *mtd, int chip)
 
        if (!host->clk_act) {
                /* Enable the NFC clock */
-               clk_enable(host->clk);
+               clk_prepare_enable(host->clk);
                host->clk_act = 1;
        }