Hi Gary,
On Tue, Jan 3, 2017 at 7:57 AM, Gary Bisson
<gary.bisson@xxxxxxxxxxxxxxxxxxx> wrote:
> Doing a 'git bisect' shows that the culprit is [1]:
> e173f891 mmc: core: Update CMD13 polling policy when switch to HS DDR
> mode
>
> Unfortunately I don't know the JEDEC specification enough to know what's
> wrong but the patch broke 8-bit eMMC (HS DDR) on i.MX platforms. Which
> platform has it beend tested on?
>
> Ulf and Linus have been added to the loop since they know the details.
>
> Also, I confirm that reverting that patch on v4.10-rc1 fixes the issue.
Thanks for doing the bisect.
I can also confirm that reverting e173f891 ("mmc: core: Update CMD13
polling policy when switch to HS DDR mode") makes the MMC card on
mx6qsabresd to be correctly detected:
mmc2: new DDR MMC card at address 0001
Thanks
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