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. 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
