Re: [PATCH] xhci: Fix USB ports for Dell Inspiron 5775

[Mathias Nyman]

On 10.04.2018 07:56, Kai Heng Feng wrote:
> Hi Matthias,
>
> > On Mar 18, 2018, at 11:11 PM, Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> wrote:
> >
> > The Dell Inspiron 5775 is a Raven Ridge. The Enable Slot command timed
> > out when a USB device gets plugged:
> > [ 212.156326] xhci_hcd 0000:03:00.3: Error while assigning device slot ID
> > [ 212.156340] xhci_hcd 0000:03:00.3: Max number of devices this xHCI host supports is 64.
> > [ 212.156348] usb usb2-port3: couldn't allocate usb_device
> >
> > AMD suggests that a delay before xHC suspends can fix the issue.
> >
> > I can confirm it fixes the issue, so use the suspend delay quirk for
> > Raven Ridge's xHC.
>
> I am hoping this patch can get merged in v4.17...
>
> Thanks,
> Kai-Heng

Added to queue, sending after rc1

-Mathias