]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/commit
Revert "usb/ohci-platform: Fix a warning when hibernating"
authorSasha Levin <sashal@kernel.org>
Fri, 17 Jul 2020 17:00:47 +0000 (13:00 -0400)
committerKhalid Elmously <khalid.elmously@canonical.com>
Sat, 8 Aug 2020 05:53:12 +0000 (01:53 -0400)
commit837404341162edf3c1e61f6dbc82cf3aba1da165
tree67fde5e9e0392bb2611a2f3e4d65a24892b69a8b
parent3f396d27061ff97a6ea1e5261aba6d24881f2c75
Revert "usb/ohci-platform: Fix a warning when hibernating"

BugLink: https://bugs.launchpad.net/bugs/1888560
This reverts commit fbf719e5da126c6b391ea7b1f38d4493582d8aaf.

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>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>
drivers/usb/host/ohci-platform.c