]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commit
UBUNTU: SAUCE: PCI: Avoid ASMedia XHCI USB PME# from D0 defect
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Thu, 9 Jan 2020 09:46:14 +0000 (17:46 +0800)
committerKhalid Elmously <khalid.elmously@canonical.com>
Tue, 28 Jan 2020 21:39:04 +0000 (16:39 -0500)
commitd1596523d4f029892b93ab598784917308dcac47
tree77133a1fd8acb5d043cfbfeac1ae5aba1e1d4fd8
parentcfab8c83bd4e1ba2d638df3aba1d5645515c055a
UBUNTU: SAUCE: PCI: Avoid ASMedia XHCI USB PME# from D0 defect

BugLink: https://bugs.launchpad.net/bugs/1858988
The ASMedia USB XHCI Controller claims to support generating PME# while
in D0:

01:00.0 USB controller: ASMedia Technology Inc. Device 2142 (prog-if 30 [XHCI])
        Subsystem: SUNIX Co., Ltd. Device 312b
        Capabilities: [78] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable+ DSel=0 DScale=0 PME-

However PME# only gets asserted when plugging USB 2.0 or USB 1.1
devices, but not for USB 3.0 devices.

So remove PCI_PM_CAP_PME_D0 to avoid using PME under D0.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=205919
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Connor Kuehl <connor.kuehl@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
drivers/pci/quirks.c