[U-Boot] [PATCH 7/7] mmc: fsl_esdhc_imx: enlarge mmc timeout

Peng Fan peng.fan at nxp.com
Wed Jul 10 07:51:33 UTC 2019


Flash system partition with fastboot will earse the partition firstly
The 600ms timeout will fail on some SD Card. Enlarge it to 5s to make
it works for most of sdcard

Cc: guoyin.chen <guoyin.chen at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/mmc/fsl_esdhc_imx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index d772500c85..9675207224 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -513,9 +513,9 @@ static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 
 	/* Workaround for ESDHC errata ENGcm03648 */
 	if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
-		int timeout = 6000;
+		int timeout = 50000;
 
-		/* Poll on DATA0 line for cmd with busy signal for 600 ms */
+		/* Poll on DATA0 line for cmd with busy signal for 5000 ms */
 		while (timeout > 0 && !(esdhc_read32(&regs->prsstat) &
 					PRSSTAT_DAT0)) {
 			udelay(100);
-- 
2.16.4



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