Re: [PATCH] 2.4.34 - Add some ahci pci ids

[Filippo Carletti]

>>> The original patch contained also this lines (that I omitted):
>>> +       /* JMicron-specific fixup: make sure we're in AHCI mode */
>>> +       if (pdev->vendor == 0x197b)
>>> +               pci_write_config_byte(pdev, 0x41, 0xa1);
>> NAK.  Don't omit obviously needed lines, if you are going to add JMicron 
>> PCI IDs.
> 
> Filippo,
> 
> would you please resend your patch including the lines you have omitted ?
> Jeff is right, those lines are explicitly labelled as a fixup, so either
> we merge the complete patch, or nothing at all.

I'm attaching a revised patch that includes JMicron fixup I missed earlier.

The patch applies but it's not tested because I lack appropriate hw.

Ciao,
Filippo
--- drivers/scsi/ahci.c.orig	2006-12-23 20:34:20.000000000 +0000
+++ drivers/scsi/ahci.c	2007-05-11 22:11:52.000000000 +0000
@@ -275,6 +275,24 @@
 	  board_ahci }, /* ESB2 */
 	{ PCI_VENDOR_ID_INTEL, 0x27c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_ahci }, /* ICH7-M DH */
+	{ PCI_VENDOR_ID_INTEL, 0x2821, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH8 */
+	{ PCI_VENDOR_ID_INTEL, 0x2822, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH8 */
+	{ PCI_VENDOR_ID_INTEL, 0x2824, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH8 */
+	{ PCI_VENDOR_ID_INTEL, 0x2829, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH8M */
+	{ PCI_VENDOR_ID_INTEL, 0x282a, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH8M */
+	{ 0x197b, 0x2360, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* JMicron JMB360 */
+	{ 0x197b, 0x2363, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* JMicron JMB363 */
+	{ PCI_VENDOR_ID_ATI, 0x4380, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ATI SB600 non-raid */
+	{ PCI_VENDOR_ID_ATI, 0x4381, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ATI SB600 raid */
 	{ }	/* terminate list */
 };

@@ -1085,6 +1085,10 @@
 	if (have_msi)
 		hpriv->flags |= AHCI_FLAG_MSI;
 
+	/* JMicron-specific fixup: make sure we're in AHCI mode */
+	if (pdev->vendor == 0x197b)
+		pci_write_config_byte(pdev, 0x41, 0xa1);
+
 	/* initialize adapter */
 	rc = ahci_host_init(probe_ent);
 	if (rc)