[U-Boot] [PATCH] arm: sunxi: Enable DM_MMC on required SoCs

[Tom Rini <trini@konsulko.com>]

On Tue, Apr 09, 2019 at 01:57:54AM +0530, Jagan Teki wrote:

> Enabling DM_MMC is forcing CONFIG_BLK=y so if any board which uses
> SCSI must need to enable DM_SCSI otherwise SCSI reads on that particular
> target making invalid reading to the disk drive.
> 
> Allwinner platform do support SCSI on A10, A20 and R40 SoC's out of
> these only A10 have DM_SCSI enabled. So enabling DM_MMC on A20, R40
> would eventually end-up with scsi disk read failures like [1]
> 
> So, enable DM_MMC in all places of respective SoC's instead of enabling
> them globally to Allwinner platform.
> 
> Now, DM_MMC is enabled in Allwinner SoC's except A20 and R40.
> 
> [1] https://lists.denx.de/pipermail/u-boot/2019-April/364057.html
> 
> Reported-by: Pablo Sebastián Greco <pgreco@centosproject.org>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

Thanks for coming up with the root cause and a work around quickly!

Applied to u-boot/master, thanks!

-- 
Tom
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