diff mbox series

[v4,04/11] mmc: fsl_esdhc: clean TBCTL[TB_EN] manually during init

Message ID 20200901085809.48660-5-yangbo.lu@nxp.com
State Accepted
Commit 1b5f0ba7a5e880869069b9b6ea4c0244118a05af
Delegated to: Peng Fan
Headers show
Series mmc: fsl_esdhc: support eMMC HS200/HS400 modes | expand

Commit Message

Yangbo Lu Sept. 1, 2020, 8:58 a.m. UTC 
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>
---
Changes for v2:
	- None.
Changes for v3:
	- None.
Changes for v4:
	- None.
---
 drivers/mmc/fsl_esdhc.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 4e04c10..e7db55d 100644
--- 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);