diff mbox

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

Message ID 1429063992-36028-1-git-send-email-yangbo.lu@freescale.com
State Accepted, archived
Delegated to: Pantelis Antoniou
Headers show

Commit Message

Yangbo Lu April 15, 2015, 2:13 a.m. UTC 
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(-)

Comments

Pantelis Antoniou May 5, 2015, 9:37 a.m. UTC | #1 
Hi Yango,

> On Apr 15, 2015, at 05:13 , Yangbo Lu <yangbo.lu@freescale.com> wrote:
> 
> 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 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

Applied, Thanks.

— Pantelis
diff mbox

Patch

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);