On 11/04/16 11:25, Ulf Hansson wrote: > + Adrian > > On 10 April 2016 at 20:04, Laszlo Fiat <laszlo.fiat@xxxxxxxxx> wrote: >> Hello, >> > > Hi Laszlo, > > Thanks for your report! > >> I have tested this patch on top of v4.6-rc2 + our usual out-of-tree >> patches from [1], and there is still no SDIO wifi showing up on >> baytrail-t. dmesg is available at [2]. >> >> [1] https://github.com/hadess/rtl8723bs/tree/master/patches >> [2] https://bugzilla.kernel.org/show_bug.cgi?id=112571#c9 >> > > I understand this issue isn't for an upstream kernel, as you are > carrying out of tree patches to enable sdhci, sdhci-acpi and sdhci-pci > to work for your platform. > > As my bandwidth is limited, normally I can't spend time on > non-upstream kernel reported regressions. Anyway, I decided to help > study the kernel log in a bit more detail, but unfortunate I am not > able to figure out what goes wrong. > >>From looking at the errors and a stack trace that gets dumped in the > kernel log, my guess is that the problem lies within sdhci/sdhci-acpi. > The errors seems related to your out of tree patches. > > Regarding commit 520bd7a8b415 ("mmc: core: Optimize boot time by > detecting cards simultaneously"), even if it seems to be triggering > the regression for you, I find it highly unlikely that this is the > root cause. > > Someone that knows Baytrail/sdhci-acpi needs to help out with > debugging. Perhaps Adrian or some other Intel folkz are available!? Need to know exactly what patches you have. Is it only the ones from [1] above? You could do an acpidump and also try the failing case with CONFIG_MMC_DEBUG=y. -- 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
