Hello, Some mainboards (e.g. Asrock 775Dual-VSTA) come with a PCI_DEVICE_ID_VIA_82C586_1 IDE controller together with a VIA VT8237A southbridge. While the corresponding PCI ID is already present in pci_ids.h, the via82cxxx driver doesn't know about it yet and disables DMA. Signed-off-by: Alexander Hans <[email protected]> -- --- a/drivers/ide/pci/via82cxxx.c 2006-08-09 17:49:38.000000000 +0200 +++ b/drivers/ide/pci/via82cxxx.c 2006-08-09 17:53:38.578053677 +0200 @@ -6,7 +6,7 @@ * * vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b, * vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a, - * vt8235, vt8237 + * vt8235, vt8237, vt8237a * * Copyright (c) 2000-2002 Vojtech Pavlik * @@ -81,6 +81,7 @@ { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, + { "vt8237a", PCI_DEVICE_ID_VIA_8237A, 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 }, { "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, VIA_UDMA_100 },
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