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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>
This commit is contained in:
Masaharu Hayakawa 2017-03-17 10:04:50 +01:00 committed by Ulf Hansson
parent 5f07ef8f60
commit 43b0b361b0
1 changed files with 7 additions and 9 deletions
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16
drivers/mmc/host/tmio_mmc_pio.c
View File

@ -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,