linux-kernel - [PATCH 3.14 108/158] xhci: extend quirk for Renesas cards

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Date:	Sun,  4 May 2014 11:40:17 -0400
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Igor Gnatenko <i.gnatenko.brain@...il.com>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>
Subject: [PATCH 3.14 108/158] xhci: extend quirk for Renesas cards

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Igor Gnatenko <i.gnatenko.brain@...il.com>

commit 6db249ebefc6bf5c39f35dfaacc046d8ad3ffd70 upstream.

After suspend another Renesas PCI-X USB 3.0 card doesn't work.
[root@...ora-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@...dex.ru>
Reference: http://redmine.russianfedora.pro/issues/1315
Signed-off-by: Igor Gnatenko <i.gnatenko.brain@...il.com>
Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/host/xhci-pci.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -145,9 +145,7 @@ static void xhci_pci_quirks(struct devic
 		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;


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