Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6:
  PCI: Fix wrong reference counter check for proc_dir_entry
  PCI: fix up setup-bus.c #ifdef
  PCI: don't load acpi_php when acpi is disabled
  PCI: quirks: set 'En' bit of MSI Mapping for devices onHT-based nvidia platform
  PCI: kernel-doc: fix pci-acpi warning
  PCI: irq: patch for Intel ICH10 DeviceID's
  PCI: pci_ids: patch for Intel ICH10 DeviceID's
  PCI: AMD SATA IDE mode quirk
  PCI: drivers/pcmcia/i82092.c: fix up after pci_bus_region changes
  PCI: hotplug: acpiphp_ibm: Remove get device information

arch/x86/kernel/acpi/boot.c

@@ -72,7 +72,8 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return
 #define PREFIX			"ACPI: "
 
 int acpi_noirq;				/* skip ACPI IRQ initialization */
-int acpi_pci_disabled __initdata;	/* skip ACPI PCI scan and IRQ initialization */
+int acpi_pci_disabled;		/* skip ACPI PCI scan and IRQ initialization */
+EXPORT_SYMBOL(acpi_pci_disabled);
 int acpi_ht __initdata = 1;	/* enable HT */
 
 int acpi_lapic;

arch/x86/pci/irq.c

@@ -583,6 +583,10 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 		case PCI_DEVICE_ID_INTEL_ICH9_4:
 		case PCI_DEVICE_ID_INTEL_ICH9_5:
 		case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
+		case PCI_DEVICE_ID_INTEL_ICH10_0:
+		case PCI_DEVICE_ID_INTEL_ICH10_1:
+		case PCI_DEVICE_ID_INTEL_ICH10_2:
+		case PCI_DEVICE_ID_INTEL_ICH10_3:
 			r->name = "PIIX/ICH";
 			r->get = pirq_piix_get;
 			r->set = pirq_piix_set;

drivers/pci/hotplug/acpiphp_core.c

@@ -392,6 +392,9 @@ static int __init acpiphp_init(void)
 {
 	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
 
+	if (acpi_pci_disabled)
+		return 0;
+
 	acpiphp_debug = debug;
 
 	/* read all the ACPI info from the system */
@@ -401,6 +404,9 @@ static int __init acpiphp_init(void)
 
 static void __exit acpiphp_exit(void)
 {
+	if (acpi_pci_disabled)
+		return;
+
 	/* deallocate internal data structures etc. */
 	acpiphp_glue_exit();
 }

drivers/pci/hotplug/acpiphp_ibm.c

@@ -395,33 +395,34 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle,
 {
 	acpi_handle *phandle = (acpi_handle *)context;
 	acpi_status status; 
-	struct acpi_device_info info; 
-	struct acpi_buffer info_buffer = {
-		.length = sizeof(struct acpi_device_info),
-		.pointer = &info,
-	};
+	struct acpi_device_info *info;
+	struct acpi_buffer info_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	int retval = 0;
 
 	status = acpi_get_object_info(handle, &info_buffer);
 	if (ACPI_FAILURE(status)) {
-		err("%s:  Failed to get device information\n", __FUNCTION__);
-		return 0;
+		err("%s:  Failed to get device information status=0x%x\n",
+			__FUNCTION__, status);
+		return retval;
 	}
-	info.hardware_id.value[sizeof(info.hardware_id.value) - 1] = '\0';
-
-	if (info.current_status && (info.valid & ACPI_VALID_HID) &&
-			(!strcmp(info.hardware_id.value, IBM_HARDWARE_ID1) ||
-			!strcmp(info.hardware_id.value, IBM_HARDWARE_ID2))) {
-		dbg("found hardware: %s, handle: %p\n", info.hardware_id.value,
-				handle);
+	info = info_buffer.pointer;
+	info->hardware_id.value[sizeof(info->hardware_id.value) - 1] = '\0';
+
+	if (info->current_status && (info->valid & ACPI_VALID_HID) &&
+			(!strcmp(info->hardware_id.value, IBM_HARDWARE_ID1) ||
+			 !strcmp(info->hardware_id.value, IBM_HARDWARE_ID2))) {
+		dbg("found hardware: %s, handle: %p\n",
+			info->hardware_id.value, handle);
 		*phandle = handle;
 		/* returning non-zero causes the search to stop
 		 * and returns this value to the caller of 
 		 * acpi_walk_namespace, but it also causes some warnings
 		 * in the acpi debug code to print...
 		 */
-		return FOUND_APCI;
+		retval = FOUND_APCI;
 	}
-	return 0;
+	kfree(info);
+	return retval;
 }
 
 static int __init ibm_acpiphp_init(void)

drivers/pci/pci-acpi.c

@@ -158,6 +158,7 @@ acpi_run_osc (
 /**
  * __pci_osc_support_set - register OS support to Firmware
  * @flags: OS support bits
+ * @hid: hardware ID
  *
  * Update OS support fields and doing a _OSC Query to obtain an update
  * from Firmware on supported control bits.

drivers/pci/proc.c

@@ -422,7 +422,7 @@ int pci_proc_detach_device(struct pci_dev *dev)
 	struct proc_dir_entry *e;
 
 	if ((e = dev->procent)) {
-		if (atomic_read(&e->count))
+		if (atomic_read(&e->count) > 1)
 			return -EBUSY;
 		remove_proc_entry(e->name, dev->bus->procdir);
 		dev->procent = NULL;

drivers/pci/quirks.c

@@ -867,13 +867,13 @@ static void quirk_disable_pxb(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82454NX,	quirk_disable_pxb);
 DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82454NX,	quirk_disable_pxb);
 
-
-static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
+static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
 {
-	/* set sb600 sata to ahci mode */
-	if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
-		u8 tmp;
+	/* set sb600/sb700/sb800 sata to ahci mode */
+	u8 tmp;
 
+	pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
+	if (tmp == 0x01) {
 		pci_read_config_byte(pdev, 0x40, &tmp);
 		pci_write_config_byte(pdev, 0x40, tmp|1);
 		pci_write_config_byte(pdev, 0x9, 1);
@@ -881,10 +881,13 @@ static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
 		pci_write_config_byte(pdev, 0x40, tmp);
 
 		pdev->class = PCI_CLASS_STORAGE_SATA_AHCI;
+		dev_info(&pdev->dev, "set SATA to AHCI mode\n");
 	}
 }
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
 
 /*
  *	Serverworks CSB5 IDE does not fully support native mode
@@ -1775,6 +1778,68 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
 			quirk_nvidia_ck804_msi_ht_cap);
 
+/*
+ *  Force enable MSI mapping capability on HT bridges  */
+static inline void ht_enable_msi_mapping(struct pci_dev *dev)
+{
+	int pos, ttl = 48;
+
+	pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+	while (pos && ttl--) {
+		u8 flags;
+
+		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
+					 &flags) == 0) {
+			dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
+
+			pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
+					      flags | HT_MSI_FLAGS_ENABLE);
+		}
+		pos = pci_find_next_ht_capability(dev, pos,
+						  HT_CAPTYPE_MSI_MAPPING);
+	}
+}
+
+static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
+{
+	struct pci_dev *host_bridge;
+	int pos, ttl = 48;
+
+	/*
+	 * HT MSI mapping should be disabled on devices that are below
+	 * a non-Hypertransport host bridge. Locate the host bridge...
+	 */
+	host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	if (host_bridge == NULL) {
+		dev_warn(&dev->dev,
+			 "nv_msi_ht_cap_quirk didn't locate host bridge\n");
+		return;
+	}
+
+	pos = pci_find_ht_capability(host_bridge, HT_CAPTYPE_SLAVE);
+	if (pos != 0) {
+		/* Host bridge is to HT */
+		ht_enable_msi_mapping(dev);
+		return;
+	}
+
+	/* Host bridge is not to HT, disable HT MSI mapping on this device */
+	pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+	while (pos && ttl--) {
+		u8 flags;
+
+		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
+					 &flags) == 0) {
+			dev_info(&dev->dev, "Quirk disabling HT MSI mapping");
+			pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
+					      flags & ~HT_MSI_FLAGS_ENABLE);
+		}
+		pos = pci_find_next_ht_capability(dev, pos,
+						  HT_CAPTYPE_MSI_MAPPING);
+	}
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk);
+
 static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev)
 {
 	dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG;

drivers/pci/setup-bus.c

@@ -206,10 +206,8 @@ pci_setup_bridge(struct pci_bus *bus)
 	if (bus->resource[2]->flags & IORESOURCE_PREFETCH) {
 		l = (region.start >> 16) & 0xfff0;
 		l |= region.end & 0xfff00000;
-#ifdef CONFIG_RESOURCES_64BIT
-		bu = region.start >> 32;
-		lu = region.end >> 32;
-#endif
+		bu = upper_32_bits(region.start);
+		lu = upper_32_bits(region.end);
 		DBG(KERN_INFO "  PREFETCH window: 0x%016llx-0x%016llx\n",
 		    (unsigned long long)region.start,
 		    (unsigned long long)region.end);

drivers/pcmcia/i82092.c

@@ -647,7 +647,12 @@ static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_
 	if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
 	     (mem->speed > 1000) ) {
 		leave("i82092aa_set_mem_map: invalid address / speed");
-		printk("invalid mem map for socket %i : %lx to %lx with a start of %x \n",sock,region.start, region.end, mem->card_start);
+		printk("invalid mem map for socket %i: %llx to %llx with a "
+			"start of %x\n",
+			sock,
+			(unsigned long long)region.start,
+			(unsigned long long)region.end,
+			mem->card_start);
 		return -EINVAL;
 	}
 	

include/linux/pci_ids.h

@@ -2374,6 +2374,12 @@
 #define PCI_DEVICE_ID_INTEL_MCH_PC1	0x359a
 #define PCI_DEVICE_ID_INTEL_E7525_MCH	0x359e
 #define PCI_DEVICE_ID_INTEL_IOAT_CNB	0x360b
+#define PCI_DEVICE_ID_INTEL_ICH10_0	0x3a14
+#define PCI_DEVICE_ID_INTEL_ICH10_1	0x3a16
+#define PCI_DEVICE_ID_INTEL_ICH10_2	0x3a18
+#define PCI_DEVICE_ID_INTEL_ICH10_3	0x3a1a
+#define PCI_DEVICE_ID_INTEL_ICH10_4	0x3a30
+#define PCI_DEVICE_ID_INTEL_ICH10_5	0x3a60
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB	0x402f
 #define PCI_DEVICE_ID_INTEL_IOAT_SCNB	0x65ff
 #define PCI_DEVICE_ID_INTEL_TOLAPAI_0	0x5031