[REGRESSION 4.10] dw_mmc: failures on Rockchip rk3288 veyron boards

[Jaehoon Chung]

Hi,

On 03/30/2017 11:53 AM, Brian Norris wrote:
> Hi Eddie,
> 
> On Thu, Mar 30, 2017 at 10:18:59AM +0800, Eddie Cai wrote:
>> I test on rk3288 firefly reload with 4.11-rc4. It work fine.
> 
> OK, thanks for checking.
> 
>>> On Thu, Mar 30, 2017 at 09:32:22AM +0800, Shawn Lin wrote:
>>>> Hi Brian,
>>>>
>>>> On 2017/3/30 9:17, Brian Norris wrote:
>>>>> Hi all,
>>>>>
>>>>> I haven't managed to get as far as a bugfix for this, but I've bisected
>>>>> some issues seen on v4.10+ with a Chromebook of the Veyron family (Jaq,
>>>>> in particular). v4.9 works fine.
> 
> [...]
> 
> By the way, Kevin (CC'd) says he noticed similiar Wifi issues on an
> Exynos 5800 Peach chromebook, but not on an Exynos 5250 Snow chromebook.	
> I haven't picked these apart yet to see what the differences and
> similarities are, but presumably it's not actually a Rockchip-specific
> bug. Maybe related to the way power sequencing is plumbed for these, for
> example?

I'm not sure but if card-detecting is polling, the timing issue could be occurred.

Best Regards,
Jaehoon Chung

> 
> Brian
> 
> 
>