Revert "usb/ohci-platform: Fix a warning when hibernating"

This reverts commit 104592a5233d77322c3e527e3925dc7c5a30a6af.

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>

diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 9e3fdb1421f750b616108c22a3d2c257293b1886..898b74086c1292d1c63110795557155962adc1ba 100644 (file)
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -340,11 +340,6 @@ static int ohci_platform_resume(struct device *dev)
        }
 
        ohci_resume(hcd, false);
-
-       pm_runtime_disable(dev);
-       pm_runtime_set_active(dev);
-       pm_runtime_enable(dev);
-
        return 0;
 }
 #endif /* CONFIG_PM_SLEEP */