Merge with /shiny/git/linux-2.6/.git

6 files changed, 37 insertions, 16 deletions

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index fedae89d8f7..fb9a11243d2 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -60,7 +60,9 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
 			continue;
 
 		/* Ok, try it out.. */
-		ret = allocate_resource(r, res, size, min, -1, align,
+		ret = allocate_resource(r, res, size,
+					r->start ? : min,
+					-1, align,
 					alignf, alignf_data);
 		if (ret == 0)
 			break;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index df3bdae2040..93e8a878ea9 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -507,7 +507,7 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max
 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);
 
 		if (!is_cardbus) {
-			child->bridge_ctl = PCI_BRIDGE_CTL_NO_ISA;
+			child->bridge_ctl = bctl | PCI_BRIDGE_CTL_NO_ISA;
 			/*
 			 * Adjust subordinate busnr in parent buses.
 			 * We do this before scanning for children because
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 1521fd5d95c..a9160ad1658 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -373,6 +373,25 @@ static void __devinit quirk_vt82c686_acpi(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C686_4,	quirk_vt82c686_acpi );
 
+/*
+ * VIA VT8235 ISA Bridge: Two IO regions pointed to by words at
+ *	0x88 (128 bytes of power management registers)
+ *	0xd0 (16 bytes of SMB registers)
+ */
+static void __devinit quirk_vt8235_acpi(struct pci_dev *dev)
+{
+	u16 pm, smb;
+
+	pci_read_config_word(dev, 0x88, &pm);
+	pm &= PCI_BASE_ADDRESS_IO_MASK;
+	quirk_io_region(dev, pm, 128, PCI_BRIDGE_RESOURCES);
+
+	pci_read_config_word(dev, 0xd0, &smb);
+	smb &= PCI_BASE_ADDRESS_IO_MASK;
+	quirk_io_region(dev, smb, 16, PCI_BRIDGE_RESOURCES + 1);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8235,	quirk_vt8235_acpi);
+
 
 #ifdef CONFIG_X86_IO_APIC 
 
@@ -820,6 +839,11 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
 			case 0x0001: /* Toshiba Satellite A40 */
 				asus_hides_smbus = 1;
 			}
+		if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
+			switch(dev->subsystem_device) {
+			case 0x0001: /* Toshiba Tecra M2 */
+				asus_hides_smbus = 1;
+			}
        } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG)) {
                if (dev->device ==  PCI_DEVICE_ID_INTEL_82855PM_HB)
                        switch(dev->subsystem_device) {
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 838575e3fac..713c78f3a65 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -125,7 +125,9 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
 		image += readw(pds + 16) * 512;
 	} while (!last_image);
 
-	*size = image - rom;
+	/* never return a size larger than the PCI resource window */
+	/* there are known ROMs that get the size wrong */
+	*size = min((size_t)(image - rom), *size);
 
 	return rom;
 }
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 9fe48f712be..a2eebc6eaac 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -51,8 +51,6 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
 	struct resource_list head, *list, *tmp;
 	int idx;
 
-	bus->bridge_ctl &= ~PCI_BRIDGE_CTL_VGA;
-
 	head.next = NULL;
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		u16 class = dev->class >> 8;
@@ -62,10 +60,6 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
 		    class == PCI_CLASS_BRIDGE_HOST)
 			continue;
 
-		if (class == PCI_CLASS_DISPLAY_VGA ||
-		    class == PCI_CLASS_NOT_DEFINED_VGA)
-			bus->bridge_ctl |= PCI_BRIDGE_CTL_VGA;
-
 		pdev_sort_resources(dev, &head);
 	}
 
@@ -509,12 +503,6 @@ pci_bus_assign_resources(struct pci_bus *bus)
 
 	pbus_assign_resources_sorted(bus);
 
-	if (bus->bridge_ctl & PCI_BRIDGE_CTL_VGA) {
-		/* Propagate presence of the VGA to upstream bridges */
-		for (b = bus; b->parent; b = b->parent) {
-			b->bridge_ctl |= PCI_BRIDGE_CTL_VGA;
-		}
-	}
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		b = dev->subordinate;
 		if (!b)
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 1ca21d2ba11..84eedc96568 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -33,6 +33,11 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
 	u32 new, check, mask;
 	int reg;
 
+	/* Ignore resources for unimplemented BARs and unused resource slots
+	   for 64 bit BARs. */
+	if (!res->flags)
+		return;
+
 	pcibios_resource_to_bus(dev, &region, res);
 
 	pr_debug("  got res [%lx:%lx] bus [%lx:%lx] flags %lx for "
@@ -67,7 +72,7 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
 
 	if ((new & (PCI_BASE_ADDRESS_SPACE|PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==
 	    (PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64)) {
-		new = 0; /* currently everyone zeros the high address */
+		new = region.start >> 16 >> 16;
 		pci_write_config_dword(dev, reg + 4, new);
 		pci_read_config_dword(dev, reg + 4, &check);
 		if (check != new) {