From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:32890 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751246AbeAAMq6 (ORCPT ); Mon, 1 Jan 2018 07:46:58 -0500 Subject: Patch "usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201" has been added to the 4.9-stable tree To: daniel.thompson@linaro.org, ard.biesheuvel@linaro.org, gregkh@linuxfoundation.org, mathias.nyman@linux.intel.com Cc: , From: Date: Mon, 01 Jan 2018 13:46:30 +0100 Message-ID: <15148107903142@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201 to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-xhci-add-xhci_trust_tx_length-for-renesas-upd720201.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From da99706689481717998d1d48edd389f339eea979 Mon Sep 17 00:00:00 2001 From: Daniel Thompson Date: Thu, 21 Dec 2017 15:06:15 +0200 Subject: usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201 From: Daniel Thompson commit da99706689481717998d1d48edd389f339eea979 upstream. When plugging in a USB webcam I see the following message: xhci_hcd 0000:04:00.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk? handle_tx_event: 913 callbacks suppressed All is quiet again with this patch (and I've done a fair but of soak testing with the camera since). Signed-off-by: Daniel Thompson Acked-by: Ard Biesheuvel Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-pci.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -190,6 +190,9 @@ static void xhci_pci_quirks(struct devic xhci->quirks |= XHCI_BROKEN_STREAMS; } if (pdev->vendor == PCI_VENDOR_ID_RENESAS && + pdev->device == 0x0014) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && pdev->device == 0x0015) xhci->quirks |= XHCI_RESET_ON_RESUME; if (pdev->vendor == PCI_VENDOR_ID_VIA) Patches currently in stable-queue which might be from daniel.thompson@linaro.org are queue-4.9/usb-xhci-add-xhci_trust_tx_length-for-renesas-upd720201.patch