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This reverts commit 57a1cd87efb9279ab58aae2e5c41920150e31873.
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?
> - Assuming no plans to backport the missing mainline commit to v4.14.x,
> should the following three v4.14.186 commits be reverted on v4.14.x?
> * baef809ea497a4 ("usb/ohci-platform: Fix a warning when hibernating")
> * 9f33eff4958885 ("usb/xhci-plat: Set PM runtime as active on resume")
> * 5410d158ca2a50 ("usb/ehci-platform: Set PM runtime as active on resume")
Signed-off-by: Sasha Levin <sashal@kernel.org>
11a6ff1df3