mmc: rtsx_usb_sdmmc: simplify the return expression of sd_change_phase()

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20200921131042.92340-1-miaoqinglang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index 598f495..5fe4528 100644 (file)
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -579,7 +579,6 @@ static void sd_normal_rw(struct rtsx_usb_sdmmc *host,
 static int sd_change_phase(struct rtsx_usb_sdmmc *host, u8 sample_point, int tx)
 {
        struct rtsx_ucr *ucr = host->ucr;
-       int err;
 
        dev_dbg(sdmmc_dev(host), "%s: %s sample_point = %d\n",
                        __func__, tx ? "TX" : "RX", sample_point);
@@ -601,11 +600,7 @@ static int sd_change_phase(struct rtsx_usb_sdmmc *host, u8 sample_point, int tx)
        rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, 0);
        rtsx_usb_add_cmd(ucr, WRITE_REG_CMD, SD_CFG1, SD_ASYNC_FIFO_RST, 0);
 
-       err = rtsx_usb_send_cmd(ucr, MODE_C, 100);
-       if (err)
-               return err;
-
-       return 0;
+       return rtsx_usb_send_cmd(ucr, MODE_C, 100);
 }
 
 static inline u32 get_phase_point(u32 phase_map, unsigned int idx)