[PATCH] mtd: mxc_nand: add missing clk_disable_unprepare() in mxcnd_remove()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

clock source is prepared and enabled by clk_prepare_enable() in
mxcnd_probe() function, but no disable/unprepare in mxcnd_remove().

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
 drivers/mtd/nand/mxc_nand.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 7a4e032..567a5e5 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1577,6 +1577,8 @@ static int mxcnd_remove(struct platform_device *pdev)
 	struct mxc_nand_host *host = platform_get_drvdata(pdev);
 
 	nand_release(&host->mtd);
+	if (host->clk_act)
+		clk_disable_unprepare(host->clk);
 
 	return 0;
 }