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

[Pantelis Antoniou]

Hi Yango,

> On Apr 15, 2015, at 05:13 , Yangbo Lu <yangbo...@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...@freescale.com>
> Cc: York Sun <york...@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

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