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From: Root Kit <rootkit85@yahoo.it>
To: linux-ide@vger.kernel.org
Subject: [PATCH] AHCI PCI ID for MacBook Pro
Date: Thu, 8 Feb 2007 18:33:07 +0100 (CET)	[thread overview]
Message-ID: <82530.66623.qm@web25412.mail.ukl.yahoo.com> (raw)

hi,
i have a MacBook pro and i noticed that linux
(2.6.20)
binds the ata_piix driver
to the SATA controller.
being my SATA controller an AHCI (ICH7M) i added the
PCI ID to ahci.c
then tested the system.
i inline the patch here:

--- linux-2.6.20/drivers/ata/ahci.c	2007-02-06
19:11:08.000000000 +0100
+++ linux-2.6.20/drivers/ata/ahci.c	2007-02-06
19:13:31.000000000 +0100
@@ -366,6 +366,7 @@
 	{ PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7
*/
 	{ PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M
*/
 	{ PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R
*/
+	{ PCI_VDEVICE(INTEL, 0x27c4), board_ahci }, /* ICH7M
*/
 	{ PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr },
/* ULi M5288 */
 	{ PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2
*/
 	{ PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2
*/

and i also done some benchmarks just to test if it is
worth it:
http://teknoraver.campuslife.it/bench/ata_piix_vs_ahci.pdf

Best Regards,
Matteo Croce





	

	
		
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             reply	other threads:[~2007-02-08 17:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08 17:33 Root Kit [this message]
2007-02-09  9:33 ` [PATCH] AHCI PCI ID for MacBook Pro Tejun Heo
2007-02-09 14:27   ` Matteo Croce
2007-02-09 14:54     ` David M. Lloyd
2007-02-09 17:39       ` Matteo Croce
2007-02-09 18:15         ` David M. Lloyd
2007-02-09 18:51           ` Matteo Croce
2007-02-10 10:22           ` Soeren Sonnenburg
2007-02-10 14:03         ` Tejun Heo
2007-02-10 16:07           ` Soeren Sonnenburg
2007-02-10 17:10             ` Tejun Heo
2007-02-11 15:40           ` David M. Lloyd
2007-02-09 15:45   ` Soeren Sonnenburg
2007-02-09 17:41     ` Matteo Croce
2007-02-10 10:19       ` Soeren Sonnenburg
2007-02-10 13:17         ` Tejun Heo
2007-02-10 16:03           ` Soeren Sonnenburg
2007-02-10 17:17             ` Tejun Heo

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