mmc: tmio: always get number of taps

Current code gets number of taps only once and keeps the value. This is
not correct, we need to obtain it every time before executing tuning,
so remove the outer if-block.

Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
[wsa: extracted from a larger patch and reworded commit message]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 5b01d22..a2d92f1 100644 (file)
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -815,16 +815,14 @@ static int tmio_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
        struct tmio_mmc_host *host = mmc_priv(mmc);
        int i, ret = 0;
 
-       if (!host->tap_num) {
-               if (!host->init_tuning || !host->select_tuning)
-                       /* Tuning is not supported */
-                       goto out;
+       if (!host->init_tuning || !host->select_tuning)
+               /* Tuning is not supported */
+               goto out;
 
-               host->tap_num = host->init_tuning(host);
-               if (!host->tap_num)
-                       /* Tuning is not supported */
-                       goto out;
-       }
+       host->tap_num = host->init_tuning(host);
+       if (!host->tap_num)
+               /* Tuning is not supported */
+               goto out;
 
        if (host->tap_num * 2 >= sizeof(host->taps) * BITS_PER_BYTE) {
                dev_warn_once(&host->pdev->dev,