X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fpci%2Fquirks.c;h=c913ea4e545c3fd444a1ce0c776d3a1628a5d266;hb=3e643e77a929202455a0cc868c2030a5ba8d1371;hp=0a70943f8bb6b5748ae3cf16d9da429b7120f9ec;hpb=e947382ed38563544d2b5b79f6ea90bdde350e5e;p=powerpc.git

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 0a70943f8b..c913ea4e54 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -654,19 +654,42 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686_4,	quirk_vi
  *	VIA bridges which have VLink
  */
 
-static const struct pci_device_id via_vlink_fixup_tbl[] = {
-	/* Internal devices need IRQ line routing, pre VLink */
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686), 0 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8231), 17 },
-	/* Devices with VLink */
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_0), 17},
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233A), 17 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233C_0), 17 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8235), 16 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237), 15 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8237A), 15 },
-	{ 0, },
-};
+static int via_vlink_dev_lo = -1, via_vlink_dev_hi = 18;
+
+static void quirk_via_bridge(struct pci_dev *dev)
+{
+	/* See what bridge we have and find the device ranges */
+	switch (dev->device) {
+	case PCI_DEVICE_ID_VIA_82C686:
+		/* The VT82C686 is special, it attaches to PCI and can have
+		   any device number. All its subdevices are functions of
+		   that single device. */
+		via_vlink_dev_lo = PCI_SLOT(dev->devfn);
+		via_vlink_dev_hi = PCI_SLOT(dev->devfn);
+		break;
+	case PCI_DEVICE_ID_VIA_8237:
+	case PCI_DEVICE_ID_VIA_8237A:
+		via_vlink_dev_lo = 15;
+		break;
+	case PCI_DEVICE_ID_VIA_8235:
+		via_vlink_dev_lo = 16;
+		break;
+	case PCI_DEVICE_ID_VIA_8231:
+	case PCI_DEVICE_ID_VIA_8233_0:
+	case PCI_DEVICE_ID_VIA_8233A:
+	case PCI_DEVICE_ID_VIA_8233C_0:
+		via_vlink_dev_lo = 17;
+		break;
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686,	quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8231,		quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8233_0,	quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8233A,	quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8233C_0,	quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8235,		quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8237,		quirk_via_bridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8237A,	quirk_via_bridge);
 
 /**
  *	quirk_via_vlink		-	VIA VLink IRQ number update
@@ -675,35 +698,20 @@ static const struct pci_device_id via_vlink_fixup_tbl[] = {
  *	If the device we are dealing with is on a PIC IRQ we need to
  *	ensure that the IRQ line register which usually is not relevant
  *	for PCI cards, is actually written so that interrupts get sent
- *	to the right place
+ *	to the right place.
+ *	We only do this on systems where a VIA south bridge was detected,
+ *	and only for VIA devices on the motherboard (see quirk_via_bridge
+ *	above).
  */
 
 static void quirk_via_vlink(struct pci_dev *dev)
 {
-	const struct pci_device_id *via_vlink_fixup;
-	static int dev_lo = -1, dev_hi = 18;
 	u8 irq, new_irq;
 
-	/* Check if we have VLink and cache the result */
-
-	/* Checked already - no */
-	if (dev_lo == -2)
+	/* Check if we have VLink at all */
+	if (via_vlink_dev_lo == -1)
 		return;
 
-	/* Not checked - see what bridge we have and find the device
-	   ranges */
-
-	if (dev_lo == -1) {
-		via_vlink_fixup = pci_find_present(via_vlink_fixup_tbl);
-		if (via_vlink_fixup == NULL) {
-			dev_lo = -2;
-			return;
-		}
-		dev_lo = via_vlink_fixup->driver_data;
-		/* 82C686 is special - 0/0 */
-		if (dev_lo == 0)
-			dev_hi = 0;
-	}
 	new_irq = dev->irq;
 
 	/* Don't quirk interrupts outside the legacy IRQ range */
@@ -711,8 +719,8 @@ static void quirk_via_vlink(struct pci_dev *dev)
 		return;
 
 	/* Internal device ? */
-	if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) > dev_hi ||
-		PCI_SLOT(dev->devfn) < dev_lo)
+	if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) > via_vlink_dev_hi ||
+	    PCI_SLOT(dev->devfn) < via_vlink_dev_lo)
 		return;
 
 	/* This is an internal VLink device on a PIC interrupt. The BIOS
@@ -1002,6 +1010,11 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
 			case 0x186a: /* M6Ne notebook */
 				asus_hides_smbus = 1;
 			}
+		if (dev->device == PCI_DEVICE_ID_INTEL_82865_HB)
+			switch (dev->subsystem_device) {
+			case 0x80f2: /* P4P800-X */
+				asus_hides_smbus = 1;
+			}
 		if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) {
 			switch (dev->subsystem_device) {
 			case 0x1882: /* M6V notebook */
@@ -1249,8 +1262,8 @@ static void quirk_jmicron_dualfn(struct pci_dev *pdev)
 			pci_read_config_dword(pdev, 0x40, &conf);
 			/* Enable dual function mode, AHCI on fn 0, IDE fn1 */
 			/* Set the class codes correctly and then direct IDE 0 */
-			conf &= ~0x000F0200;	/* Clear bit 9 and 16-19 */
-			conf |=  0x00C20002;	/* Set bit 1, 17, 22, 23 */
+			conf &= ~0x000FF200; /* Clear bit 9 and 12-19 */
+			conf |=  0x00C2A102; /* Set 1, 8, 13, 15, 17, 22, 23 */
 			pci_write_config_dword(pdev, 0x40, conf);
 
 			/* Reconfigure so that the PCI scanner discovers the