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Date:	Fri,  7 Mar 2014 17:07:24 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, "Denis V. Lunev" <den@...nvz.org>,
	Tejun Heo <tj@...nel.org>, linux-ide@...r.kernel.org
Subject: [PATCH 3.4 28/99] ata: enable quirk from jmicron JMB350 for JMB394

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

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

From: "Denis V. Lunev" <den@...nvz.org>

commit efb9e0f4f43780f0ae0c6428d66bd03e805c7539 upstream.

Without the patch the kernel generates the following error.

 ata11.15: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
 ata11.15: Port Multiplier vendor mismatch '0x197b' != '0x123'
 ata11.15: PMP revalidation failed (errno=-19)
 ata11.15: failed to recover PMP after 5 tries, giving up

This patch helps to bypass this error and the device becomes
functional.

Signed-off-by: Denis V. Lunev <den@...nvz.org>
Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: <linux-ide@...r.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/ata/libata-pmp.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -447,8 +447,11 @@ static void sata_pmp_quirks(struct ata_p
 		 * otherwise.  Don't try hard to recover it.
 		 */
 		ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY;
-	} else if (vendor == 0x197b && devid == 0x2352) {
-		/* chip found in Thermaltake BlackX Duet, jmicron JMB350? */
+	} else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) {
+		/*
+		 * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350?
+		 * 0x0325: jmicron JMB394.
+		 */
 		ata_for_each_link(link, ap, EDGE) {
 			/* SRST breaks detection and disks get misclassified
 			 * LPM disabled to avoid potential problems


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