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-rw-r--r--drivers/ide/via82cxxx.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 028de26a25fe..29f3be311f8d 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -6,7 +6,7 @@
* vt8235, vt8237, vt8237a
*
* Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
*
* Based on the work of:
* Michel Aubry
@@ -55,6 +55,10 @@
#define VIA_BAD_ID 0x10 /* Has wrong vendor ID (0x1107) */
#define VIA_BAD_AST 0x20 /* Don't touch Address Setup Timing */
+enum {
+ VIA_IDFLAG_SINGLE = (1 << 1), /* single channel controller */
+};
+
/*
* VIA SouthBridge chips.
*/
@@ -436,10 +440,13 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
via_clock = 33333;
}
- if (idx == 0)
- d.host_flags |= IDE_HFLAG_NO_AUTODMA;
- else
+ if (idx == 1)
d.enablebits[1].reg = d.enablebits[0].reg = 0;
+ else
+ d.host_flags |= IDE_HFLAG_NO_AUTODMA;
+
+ if (idx == VIA_IDFLAG_SINGLE)
+ d.host_flags |= IDE_HFLAG_SINGLE;
if ((via_config->flags & VIA_NO_UNMASK) == 0)
d.host_flags |= IDE_HFLAG_UNMASK_IRQS;
@@ -475,7 +482,7 @@ static const struct pci_device_id via_pci_tbl[] = {
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), 0 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
- { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), 0 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), VIA_IDFLAG_SINGLE },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), 1 },
{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
{ 0, },
@@ -504,6 +511,6 @@ static void __exit via_ide_exit(void)
module_init(via_ide_init);
module_exit(via_ide_exit);
-MODULE_AUTHOR("Vojtech Pavlik, Michel Aubry, Jeff Garzik, Andre Hedrick");
+MODULE_AUTHOR("Vojtech Pavlik, Bartlomiej Zolnierkiewicz, Michel Aubry, Jeff Garzik, Andre Hedrick");
MODULE_DESCRIPTION("PCI driver module for VIA IDE");
MODULE_LICENSE("GPL");