[PATCH -next] mtd: rawnand: simplify the cs553x_write_ctrl_byte()

[Zheng Yongjun]

Simplify the return expression.

Signed-off-by: Zheng Yongjun <zhengyongjun3 at huawei.com>
---
 drivers/mtd/nand/raw/cs553x_nand.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c
index 282203debd0c..a616aaa2e3dc 100644
--- a/drivers/mtd/nand/raw/cs553x_nand.c
+++ b/drivers/mtd/nand/raw/cs553x_nand.c
@@ -105,17 +105,12 @@ static int cs553x_write_ctrl_byte(struct cs553x_nand_controller *cs553x,
 				  u32 ctl, u8 data)
 {
 	u8 status;
-	int ret;
 
 	writeb(ctl, cs553x->mmio + MM_NAND_CTL);
 	writeb(data, cs553x->mmio + MM_NAND_IO);
-	ret = readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
-					!(status & CS_NAND_CTLR_BUSY), 1,
-					100000);
-	if (ret)
-		return ret;
-
-	return 0;
+	return readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
+					 !(status & CS_NAND_CTLR_BUSY), 1,
+					 100000);
 }
 
 static void cs553x_data_in(struct cs553x_nand_controller *cs553x, void *buf,
-- 
2.22.0