mmc: fsl_esdhc: clean TBCTL[TB_EN] manually during init

Clean TBCTL[TB_EN] manually during init since it is not able to
be reset by reset all operation.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 4e04c10..e7db55d 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -637,6 +637,9 @@ static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
                        return -ETIMEDOUT;
        }
 
+       /* Clean TBCTL[TB_EN] which is not able to be reset by reset all */
+       esdhc_clrbits32(&regs->tbctl, TBCTL_TB_EN);
+
        esdhc_enable_cache_snooping(regs);
 
        esdhc_setbits32(&regs->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);