From 253d5bdd64504a1a569b4eb330555e2449fa3d3f Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@freescale.com>
Date: Wed, 15 Apr 2015 10:13:12 +0800
Subject: [PATCH] mmc: fsl_esdhc: update eMMC44 adapter card erase timeout
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@freescale.com>
Cc: York Sun <yorksun@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 2bbacb36ba..b9bc1654d3 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -387,9 +387,9 @@ 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(®s->prsstat) &
PRSSTAT_DAT0)) {
udelay(100);
--
2.39.5