linux-kernel - [PATCH] ata_piix: add Asus Eee 701 controller to short cable list

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Message-Id: <1208747007-9791-1-git-send-email-dpmcgee@gmail.com>
Date:	Sun, 20 Apr 2008 22:03:27 -0500
From:	Dan McGee <dpmcgee@...il.com>
To:	htejun@...il.com
Cc:	linux-kernel@...r.kernel.org, Dan McGee <dpmcgee@...il.com>
Subject: [PATCH] ata_piix: add Asus Eee 701 controller to short cable list

The drive is directly soldered to the controller, so there is no cable at
all. Remove the 40-wire assumption so the drive can operate at max speed.

Before patch:
$ dd if=/dev/sda of=/dev/null bs=2M count=64 iflag=direct
134217728 bytes (134 MB) copied, 5.29612 s, 25.3 MB/s

After patch:
$ dd if=/dev/sda of=/dev/null bs=2M count=64 iflag=direct
134217728 bytes (134 MB) copied, 3.94955 s, 34.0 MB/s

Signed-off-by: Dan McGee <dpmcgee@...il.com>
---
 drivers/ata/ata_piix.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index b7c38ee..ea2c764 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -573,6 +573,7 @@ static const struct ich_laptop ich_laptop[] = {
 	{ 0x27DF, 0x1043, 0x1267 },	/* ICH7 on Asus W5F */
 	{ 0x27DF, 0x103C, 0x30A1 },	/* ICH7 on HP Compaq nc2400 */
 	{ 0x24CA, 0x1025, 0x0061 },	/* ICH4 on ACER Aspire 2023WLMi */
+	{ 0x2653, 0x1043, 0x82D8 },	/* ICH6M on Asus Eee 701 */
 	/* end marker */
 	{ 0, }
 };
-- 
1.5.5.1

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