Messages in this thread | | | Date | Mon, 20 Jul 2020 21:29:43 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH 4.19 041/133] Revert "usb/ohci-platform: Fix a warning when hibernating" |
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On Mon, Jul 20, 2020 at 11:07:22PM +0200, Pavel Machek wrote: >Hi! >On Mon 2020-07-20 17:36:28, Greg Kroah-Hartman wrote: >> This reverts commit c83258a757687ffccce37ed73dba56cc6d4b8a1b. >> >> Eugeniu Rosca writes: >> >> On Thu, Jul 09, 2020 at 09:00:23AM +0200, Eugeniu Rosca wrote: >> >After integrating v4.14.186 commit 5410d158ca2a50 ("usb/ehci-platform: >> >Set PM runtime as active on resume") into downstream v4.14.x, we started >> >to consistently experience below panic [1] on every second s2ram of >> >R-Car H3 Salvator-X Renesas reference board. >> > >> >After some investigations, we concluded the following: >> > - the issue does not exist in vanilla v5.8-rc4+ >> > - [bisecting shows that] the panic on v4.14.186 is caused by the lack >> > of v5.6-rc1 commit 987351e1ea7772 ("phy: core: Add consumer device >> > link support"). Getting evidence for that is easy. Reverting >> > 987351e1ea7772 in vanilla leads to a similar backtrace [2]. >> > >> >Questions: >> > - Backporting 987351e1ea7772 ("phy: core: Add consumer device >> > link support") to v4.14.187 looks challenging enough, so probably not >> > worth it. Anybody to contradict this? > >I'm not sure about v4.14.187, but backport to v4.19 is quite simple >(just ignore single non-existing file) and passes basic testing. > >Would that be better solution for 4.19 and newer?
If Eugeniu could confirm that doing so on 4.19+ works for him, sure.
-- Thanks, Sasha
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