[U-Boot] [PATCH] mmc: fsl_esdhc: increase data transaction timeout to 500ms

york sun york.sun at nxp.com
Wed Jan 27 18:09:28 CET 2016


On 12/29/2015 10:27 PM, Yangbo Lu wrote:
> The MMC spec says "It is strongly recommended for hosts to implement
> more than 500ms timeout value even if the card indicates the 250ms
> maximum busy length."  Even the previous value of 300ms is known to
> be insufficient for some cards. So, increase the timeout to 500ms.
> 
> Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
> ---
>  drivers/mmc/fsl_esdhc.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 

Applied to u-boot-fsl-qoriq master. Awaiting upstream.

Thanks.

York



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