diff mbox series

[1/2] mmc: fsl_esdhc_imx: remove redundant cmd11 related code.

Message ID 1616410538-2601-1-git-send-email-haibo.chen@nxp.com
State Accepted
Commit 1e595a81d9bc0d6fd30e3ba17e3f8a9278a381f8
Delegated to: Stefano Babic
Headers show
Series [1/2] mmc: fsl_esdhc_imx: remove redundant cmd11 related code. | expand

Commit Message

Bough Chen March 22, 2021, 10:55 a.m. UTC 
From: Haibo Chen <haibo.chen@nxp.com>

Common code already handle the voltage switch sequence based on spec,
so remove the redundant voltage switch code.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 drivers/mmc/fsl_esdhc_imx.c | 9 ---------
 1 file changed, 9 deletions(-)

Comments

Stefano Babic April 9, 2021, 11:24 a.m. UTC | #1 
> From: Haibo Chen <haibo.chen@nxp.com>
> Common code already handle the voltage switch sequence based on spec,
> so remove the redundant voltage switch code.
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 637537d262..722f33c68c 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -521,15 +521,6 @@  static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 		goto out;
 	}
 
-	/* Switch voltage to 1.8V if CMD11 succeeded */
-	if (cmd->cmdidx == SD_CMD_SWITCH_UHS18V) {
-		esdhc_setbits32(&regs->vendorspec, ESDHC_VENDORSPEC_VSELECT);
-
-		printf("Run CMD11 1.8V switch\n");
-		/* Sleep for 5 ms - max time for card to switch to 1.8V */
-		udelay(5000);
-	}
-
 	/* Workaround for ESDHC errata ENGcm03648 */
 	if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
 		int timeout = 50000;