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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 2024-12-21 18:38 +03:00, Alper Nebi Yasak wrote: > Hello, > > I'm left with one small problem trying to boot Debian on MT8183 and > MT8186 Chromebooks (Cozmo and Magneton respectively). I see a lot of > probe deferrals and get dropped into an initramfs shell. All of them > get resolved if I run `modprobe mt6358-regulator`, after which I can > exit the initramfs shell to continue booting. > > It has been happening for a long time, still unsolved as of v6.12 and > next-20241220. I am using `softdep mediatek-drm pre: mt6358-regulator` > and so on in /etc/modprobe.d/ to trigger it to probe, as a workaround. > > But I would like if it was solved upstream so distro kernels can work > "out of the box". Any ideas why isn't it probing automatically, and how > to make it so it works? > > More info from a serial connection below (on mt8183-kukui-jacuzzi-cozmo): > > [...] I found this patch [1] from Matthias, sent around 2021 about adding an OF match table to the driver, which fixes this problem for my boards. [1] https://lore.kernel.org/linux-mediatek/20210112100659.19350-1-matthias.bgg@kernel.org/T/#u There on 2021-01-12 13:52, Mark Brown wrote: > As previously discussed it'd be better to fix the binding document to > deprecate the requirement for the compatible and remove the usage from > the MFD. This doesn't seem to have happened in the last almost-four years, so please reconsider resending/applying the patch.