From 42036c85a68c82389f011eceab594c64956d0c2d Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 18 Jan 2010 07:19:37 +0000 Subject: [PATCH] via82cxxx: vx855 is a single channel controller Based on commit e4d866c for pata_via host driver (PCI ID was later changed by commit 5993856). Update my credits while at it. Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: David S. Miller --- drivers/ide/via82cxxx.c | 19 +++++++++++++------ 1 file 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");