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[PATCH 4.6 89/96] libata: LITE-ON CX1-JB256-HP needs lower max_sectors

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  [PATCH 4.6 89/96] libata: LITE-ON CX1-JB256-HP needs lower max_sectors Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-08 21:30 +0200

#1458107 — [PATCH 4.6 89/96] libata: LITE-ON CX1-JB256-HP needs lower max_sectors

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

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

From: Tejun Heo <tj@kernel.org>

commit 1488a1e3828d60d74c9b802a05e24c0487babe4e upstream.

Since 34b48db66e08 ("block: remove artifical max_hw_sectors cap"),
max_sectors is no longer limited to BLK_DEF_MAX_SECTORS and LITE-ON
CX1-JB256-HP keeps timing out with higher max_sectors.  Revert it to
the previous value.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: dgerasimov@gmail.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=121671
Fixes: 34b48db66e08 ("block: remove artifical max_hw_sectors cap")
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/ata/libata-core.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4141,6 +4141,12 @@ static const struct ata_blacklist_entry
 	 */
 	{ "ST380013AS",		"3.20",		ATA_HORKAGE_MAX_SEC_1024 },
 
+	/*
+	 * Device times out with higher max sects.
+	 * https://bugzilla.kernel.org/show_bug.cgi?id=121671
+	 */
+	{ "LITEON CX1-JB256-HP", NULL,		ATA_HORKAGE_MAX_SEC_1024 },
+
 	/* Devices we expect to fail diagnostics */
 
 	/* Devices where NCQ should be avoided */

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