diff options
Diffstat (limited to 'drivers/mmc/tmio-common.c')
| -rw-r--r-- | drivers/mmc/tmio-common.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c index 3ba2f07..424b60c 100644 --- a/drivers/mmc/tmio-common.c +++ b/drivers/mmc/tmio-common.c @@ -574,6 +574,10 @@ static void tmio_sd_set_clk_rate(struct tmio_sd_priv *priv, divisor = DIV_ROUND_UP(mclk, mmc->clock); + /* Do not set divider to 0xff in DDR mode */ + if (mmc->ddr_mode && (divisor == 1)) + divisor = 2; + if (divisor <= 1) val = (priv->caps & TMIO_SD_CAP_RCAR) ? TMIO_SD_CLKCTL_RCAR_DIV1 : TMIO_SD_CLKCTL_DIV1; |