On 04/07/2017 07:04 AM, Brian Norris wrote: > Hi, > > On Thu, Mar 30, 2017 at 02:11:19PM +0900, Jaehoon Chung wrote: >> On 03/30/2017 11:53 AM, Brian Norris wrote: >>> 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. > > I don't know much about MMC in general, nor about this driver. Any > chance you'd accept reverts of the patches in question though? This is a > huge regression, and there were only a few relevant changes that seem to > have triggered this. I can try to come up with something targeted, but > I'm not going to even try if that'd get rejected up front. Sure, if it's big regression, we can revert the patches relevant to problem. After fixing it, we can re-apply them..before reverting, i will try to fix it until next Wends, Otherwise, will revert them at that time. Best Regards, Jaehoon Chung > > Brian > > > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
