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@xxxxxxxxx>
---
I sent this to the linux-kernel ML earlier along with what seemed to be
the maintainer from recent git-log, but I failed at reading the comments
at the top of the file, so I'm resending it to you guys too. Sorry about
that.
Original Message-Id: <1208747007-9791-1-git-send-email-dpmcgee@xxxxxxxxx>
-Dan
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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