linux-kernel - [PATCH 3.2 31/79] libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8

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Message-ID: <lsq.1392192612.151778351@decadent.org.uk>
Date:	Wed, 12 Feb 2014 08:10:12 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Michele Baldessari" <michele@...syn.org>,
	"Alan Cox" <gnomes@...rguk.ukuu.org.uk>,
	"Nicholas" <arealityfarbetween@...glemail.com>,
	"Tejun Heo" <tj@...nel.org>
Subject: [PATCH 3.2 31/79] libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk
 for Seagate Momentus SpinPoint M8

3.2.55-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Michele Baldessari <michele@...syn.org>

commit 87809942d3fa60bafb7a58d0bdb1c79e90a6821d upstream.

We've received multiple reports in Fedora via (BZ 907193)
that the Seagate Momentus SpinPoint M8 errors out when enabling AA:
[    2.555905] ata2.00: failed to enable AA (error_mask=0x1)
[    2.568482] ata2.00: failed to enable AA (error_mask=0x1)

Add the ATA_HORKAGE_BROKEN_FPDMA_AA for this specific harddisk.

Reported-by: Nicholas <arealityfarbetween@...glemail.com>
Signed-off-by: Michele Baldessari <michele@...syn.org>
Tested-by: Nicholas <arealityfarbetween@...glemail.com>
Acked-by: Alan Cox <gnomes@...rguk.ukuu.org.uk>
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/ata/libata-core.c | 3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4097,6 +4097,9 @@ static const struct ata_blacklist_entry
 	{ "ST3320[68]13AS",	"SD1[5-9]",	ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
 
+	/* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */
+	{ "ST1000LM024 HN-M101MBB", "2AR10001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
+
 	/* Blacklist entries taken from Silicon Image 3124/3132
 	   Windows driver .inf file - also several Linux problem reports */
 	{ "HTS541060G9SA00",    "MB3OC60D",     ATA_HORKAGE_NONCQ, },

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