linux-kernel - [PATCH 3.4 025/107] libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER

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Message-Id: <1458115601-5762-25-git-send-email-lizf@kernel.org>
Date:	Wed, 16 Mar 2016 16:05:19 +0800
From:	lizf@...nel.org
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Aleksei Mamlin <mamlinav@...il.com>,
	Tejun Heo <tj@...nel.org>, Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 025/107] libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for HP 250GB SATA disk VB0250EAVER

From: Aleksei Mamlin <mamlinav@...il.com>

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

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


commit 08c85d2a599d967ede38a847f5594447b6100642 upstream.

Enabling AA on HP 250GB SATA disk VB0250EAVER causes errors:

[    3.788362] ata3.00: failed to enable AA (error_mask=0x1)
[    3.789243] ata3.00: failed to enable AA (error_mask=0x1)

Add the ATA_HORKAGE_BROKEN_FPDMA_AA for this specific harddisk.

tj: Collected FPDMA_AA entries and updated comment.

Signed-off-by: Aleksei Mamlin <mamlinav@...il.com>
Signed-off-by: Tejun Heo <tj@...nel.org>
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 drivers/ata/libata-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 0a6767b..b5d532f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4104,9 +4104,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "ST3320[68]13AS",	"SD1[5-9]",	ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
 
-	/* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */
+	/* drives which fail FPDMA_AA activation (some may freeze afterwards) */
 	{ "ST1000LM024 HN-M101MBB", "2AR10001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
 	{ "ST1000LM024 HN-M101MBB", "2BA30001",	ATA_HORKAGE_BROKEN_FPDMA_AA },
+	{ "VB0250EAVER",	"HPG7",		ATA_HORKAGE_BROKEN_FPDMA_AA },
 
 	/* Blacklist entries taken from Silicon Image 3124/3132
 	   Windows driver .inf file - also several Linux problem reports */
-- 
1.9.1