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

[Zheng Yongjun]

Simplify the return expression.

Signed-off-by: Zheng Yongjun <zhengyongj...@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