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 <[email protected]> > Signed-off-by: Jagan Teki <[email protected]>
Thanks for coming up with the root cause and a work around quickly! Applied to u-boot/master, thanks! -- Tom
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