On Fri, Mar 09, 2018 at 11:29:20AM +0800, Kai Heng Feng wrote: > Hi, > > > On Mar 9, 2018, at 1:06 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Thu, Mar 08, 2018 at 05:17:17PM +0200, Mathias Nyman wrote: > > > From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> > > > > > > When a USB device gets plugged on ASUS PRIME B350M-A's front ports, the > > > xHC stops working: > > > [ 549.114587] xhci_hcd 0000:02:00.0: WARN: xHC CMD_RUN timeout > > > [ 549.114608] suspend_common(): xhci_pci_suspend+0x0/0xc0 returns -110 > > > [ 549.114638] xhci_hcd 0000:02:00.0: can't suspend > > > (hcd_pci_runtime_suspend returned -110) > > > > > > Delay before running xHC command CMD_RUN can workaround the issue. > > > > > > Use a new quirk to make the delay only targets to the affected xHC. > > > > > > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> > > > Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > > > --- > > > drivers/usb/host/xhci-pci.c | 3 +++ > > > drivers/usb/host/xhci.c | 3 +++ > > > drivers/usb/host/xhci.h | 1 + > > > 3 files changed, 7 insertions(+) > > > > Any reason this shouldn't go to the stable kernel trees? > > It would be really nice to have this in stable tree. Great, will do so, thanks for the quick response. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
