From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Kai Heng Feng <kai.heng.feng@canonical.com>, mathias.nyman@intel.com
Cc: Greg KH <gregkh@linuxfoundation.org>,
Linux USB Mailing List <linux-usb@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
stable@vger.kernel.org
Subject: Re: [PATCH] xhci: Fix USB ports for Dell Inspiron 5775
Date: Tue, 10 Apr 2018 10:46:32 +0300 [thread overview]
Message-ID: <b78a3067-8c7c-811a-2d64-4a23ff6b6250@linux.intel.com> (raw)
In-Reply-To: <7DBCE486-BE04-422B-9902-B9403AD85B37@canonical.com>
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@canonical.com> 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
prev parent reply other threads:[~2018-04-10 7:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-18 15:11 Kai-Heng Feng
2018-04-10 4:56 ` Kai Heng Feng
2018-04-10 7:46 ` Mathias Nyman [this message]
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