Re: via 6420 pata/sata controller

[Jeff Garzik <jgarzik@pobox.com>]

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If I had to guess, I would try the attached patch.  The via82cxxx.c 
driver is a bit annoying in that, here we do not talk to the ISA bridge 
but to the PCI device 0x4149 itself.

If this doesn't work, I could probably whip together a quick PATA driver 
for libata that works on this hardware.

	Jeff



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===== drivers/ide/pci/via82cxxx.c 1.27 vs edited =====
--- 1.27/drivers/ide/pci/via82cxxx.c	2005-02-03 02:24:29 -05:00
+++ edited/drivers/ide/pci/via82cxxx.c	2005-03-02 01:28:26 -05:00
@@ -79,6 +79,7 @@
 	u8 rev_max;
 	u16 flags;
 } via_isa_bridges[] = {
+	{ "vt6420",	0x4149,			    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
@@ -635,9 +636,10 @@
 }
 
 static struct pci_device_id via_pci_tbl[] = {
-	{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-	{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-	{ 0, },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, 0x4149) },
+	{ },	/* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, via_pci_tbl);