[U-Boot] [PATCH] mmc: fsl_esdhc: update eMMC44 adapter card erase timeout

[Yangbo Lu]

Freescale eMMC44 adapter card uses Micron N2M400FDB311A3CF eMMC
memory. According to the silicon datasheet, secure erase timeout
is 600ms. So increase erase timeout value from 250ms to 600ms.

Signed-off-by: Yangbo Lu <yangbo.lu at freescale.com>
Cc: York Sun <yorksun at freescale.com>
---
 drivers/mmc/fsl_esdhc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index f5d2ccb..e879fc0 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -344,9 +344,9 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	/* Workaround for ESDHC errata ENGcm03648 */
 	if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
-		int timeout = 2500;
+		int timeout = 6000;
 
-		/* Poll on DATA0 line for cmd with busy signal for 250 ms */
+		/* Poll on DATA0 line for cmd with busy signal for 600 ms */
 		while (timeout > 0 && !(esdhc_read32(&regs->prsstat) &
 					PRSSTAT_DAT0)) {
 			udelay(100);
-- 
2.1.0.27.g96db324