linux-kernel - [ 057/173] usb: host: xhci: Stricter conditional for Z1 system models for Compliance Mode Patch

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Message-Id: <20121228190342.079170874@decadent.org.uk>
Date:	Fri, 28 Dec 2012 20:04:27 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	"Alexis R. Cortes" <alexis.cortes@...com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Subject: [ 057/173] usb: host: xhci: Stricter conditional for Z1 system models for
 Compliance Mode Patch

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

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

From: "Alexis R. Cortes" <alexis.cortes@...com>

commit b0e4e606ff6ff26da0f60826e75577b56ba4e463 upstream.

This minor patch creates a more stricter conditional for the Z1 sytems for applying
the Compliance Mode Patch, this to avoid the quirk to be applied to models that
contain a "Z1" in their dmi product string but are different from Z1 systems.

This patch should be backported to stable kernels as old as 3.2, that
contain the commit 71c731a296f1b08a3724bd1b514b64f1bda87a23 "usb: host:
xhci: Fix Compliance Mode on SN65LVPE502CP Hardware"

Signed-off-by: Alexis R. Cortes <alexis.cortes@...com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/usb/host/xhci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2e29f2f..09987d5 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -480,7 +480,7 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
 	if (strstr(dmi_product_name, "Z420") ||
 			strstr(dmi_product_name, "Z620") ||
 			strstr(dmi_product_name, "Z820") ||
-			strstr(dmi_product_name, "Z1"))
+			strstr(dmi_product_name, "Z1 Workstation"))
 		return true;
 
 	return false;


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