[3.11.y.z extended stable] Patch "xhci: extend quirk for Renesas cards" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Mon May 5 10:38:21 UTC 2014

This is a note to let you know that I have just added a patch titled

    xhci: extend quirk for Renesas cards

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see



>From acc51c9616a083450135f8e61d7fdece137474d2 Mon Sep 17 00:00:00 2001
From: Igor Gnatenko <i.gnatenko.brain at gmail.com>
Date: Fri, 25 Apr 2014 19:20:15 +0300
Subject: xhci: extend quirk for Renesas cards

commit 6db249ebefc6bf5c39f35dfaacc046d8ad3ffd70 upstream.

After suspend another Renesas PCI-X USB 3.0 card doesn't work.
[root at fedora-20 ~]# lspci -vmnnd 1912:
Device:	03:00.0
Class:	USB controller [0c03]
Vendor:	Renesas Technology Corp. [1912]
Device:	uPD720202 USB 3.0 Host Controller [0015]
SVendor:	Renesas Technology Corp. [1912]
SDevice:	uPD720202 USB 3.0 Host Controller [0015]
Rev:	02
ProgIf:	30

This patch should be applied to stable kernel 3.14 that contain
the commit 1aa9578c1a9450fb21501c4f549f5b1edb557e6d
"xhci: Fix resume issues on Renesas chips in Samsung laptops"

Reported-and-tested-by: Anatoly Kharchenko <rfr-bugs at yandex.ru>
Reference: http://redmine.russianfedora.pro/issues/1315
Signed-off-by: Igor Gnatenko <i.gnatenko.brain at gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman at linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
 drivers/usb/host/xhci-pci.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index bed96e9..8d5f45e 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -140,9 +140,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
 	if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
-			pdev->device == 0x0015 &&
-			pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG &&
-			pdev->subsystem_device == 0xc0cd)
+			pdev->device == 0x0015)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;
 	if (pdev->vendor == PCI_VENDOR_ID_VIA)
 		xhci->quirks |= XHCI_RESET_ON_RESUME;

More information about the kernel-team mailing list