mmc: sdhci: add the quirk for broken r1b response

[oweals/u-boot.git] / drivers / mmc / mxsmmc.c

diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index dfceaef953a918aa38eff4136318c036a7a97426..6572e9551bafd827edcc0fcb02dbf6904bfb3f21 100644 (file)
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -338,6 +338,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
                (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
        struct mmc *mmc = NULL;
        struct mxsmmc_priv *priv = NULL;
+       int ret;
 
        mmc = malloc(sizeof(struct mmc));
        if (!mmc)
@@ -356,6 +357,10 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
                return -ENOMEM;
        }
 
+       ret = mxs_dma_init_channel(id);
+       if (ret)
+               return ret;
+
        priv->mmc_is_wp = wp;
        priv->id = id;
        switch (id) {
@@ -401,7 +406,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
         */
        mmc->f_min = 400000;
        mmc->f_max = mxc_get_clock(MXC_SSP0_CLK + id) * 1000 / 2;
-       mmc->b_max = 0x40;
+       mmc->b_max = 0x20;
 
        mmc_register(mmc);
        return 0;