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

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (22 commits)
  acpiphp: Link-time error for PCI Hotplug
  shpchp: cleanup shpchp.h
  shpchp: remove shpchprm_get_physical_slot_number
  shpchp: cleanup struct controller
  shpchp: remove unnecessary struct php_ctlr
  PCI: ATI sb600 sata quirk
  PCI legacy resource fix
  PCI: don't export device IDs to userspace
  PCI: Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.
  PCI: Fix multiple problems with VIA hardware
  PCI: Only check the HT capability bits in mpic.c
  PCI: Use pci_find_ht_capability() in drivers/pci/quirks.c
  PCI: Add #defines for Hypertransport MSI fields
  PCI: Use pci_find_ht_capability() in drivers/pci/htirq.c
  PCI: Add pci_find_ht_capability() for finding Hypertransport capabilities
  PCI: Create __pci_bus_find_cap_start() from __pci_bus_find_cap()
  pci: Introduce pci_find_present
  PCI: pcieport-driver: remove invalid warning message
  rpaphp: compiler warning cleanup
  PCI quirks: remove redundant check
  ...

arch/i386/pci/fixup.c

@@ -115,7 +115,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, pci
 #define VIA_8363_KL133_REVISION_ID 0x81
 #define VIA_8363_KM133_REVISION_ID 0x84
 
-static void __devinit pci_fixup_via_northbridge_bug(struct pci_dev *d)
+static void pci_fixup_via_northbridge_bug(struct pci_dev *d)
 {
 	u8 v;
 	u8 revision;
@@ -151,6 +151,10 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8622, pci_fixup_via_northbridge_bug);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, pci_fixup_via_northbridge_bug);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8363_0, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8622, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8361, pci_fixup_via_northbridge_bug);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8367_0, pci_fixup_via_northbridge_bug);
 
 /*
  * For some reasons Intel decided that certain parts of their
@@ -181,7 +185,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_fixup_transparent_
  * issue another HALT within 80 ns of the initial HALT, the failure condition
  * is avoided.
  */
-static void __init pci_fixup_nforce2(struct pci_dev *dev)
+static void pci_fixup_nforce2(struct pci_dev *dev)
 {
 	u32 val;
 
@@ -204,6 +208,7 @@ static void __init pci_fixup_nforce2(struct pci_dev *dev)
 	}
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci_fixup_nforce2);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2, pci_fixup_nforce2);
 
 /* Max PCI Express root ports */
 #define MAX_PCIEROOT	6
@@ -419,7 +424,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_TI, 0x8032,
  * Prevent the BIOS trapping accesses to the Cyrix CS5530A video device
  * configuration space.
  */
-static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev)
+static void pci_early_fixup_cyrix_5530(struct pci_dev *dev)
 {
 	u8 r;
 	/* clear 'F4 Video Configuration Trap' bit */
@@ -429,3 +434,5 @@ static void __devinit pci_early_fixup_cyrix_5530(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
 			pci_early_fixup_cyrix_5530);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY,
+			pci_early_fixup_cyrix_5530);

arch/powerpc/sysdev/mpic.c

@@ -390,7 +390,7 @@ static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase,
 		u8 id = readb(devbase + pos + PCI_CAP_LIST_ID);
 		if (id == PCI_CAP_ID_HT) {
 			id = readb(devbase + pos + 3);
-			if (id == HT_CAPTYPE_IRQ)
+			if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_IRQ)
 				break;
 		}
 	}

drivers/ide/pci/atiixp.c

@@ -368,7 +368,6 @@ static struct pci_device_id atiixp_pci_tbl[] = {
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, PCI_ANY_ID, PCI_ANY_ID, (PCI_CLASS_STORAGE_IDE<<8)|0x8a, 0xffff05, 1},
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);

drivers/pci/hotplug/acpiphp_glue.c

@@ -1682,7 +1682,7 @@ int __init acpiphp_glue_init(void)
  *
  * This function frees all data allocated in acpiphp_glue_init()
  */
-void __exit acpiphp_glue_exit(void)
+void  acpiphp_glue_exit(void)
 {
 	acpi_pci_unregister_driver(&acpi_pci_hp_driver);
 }

drivers/pci/hotplug/rpaphp_slot.c

@@ -47,21 +47,11 @@ static ssize_t location_read_file (struct hotplug_slot *php_slot, char *buf)
 	return retval;
 }
 
-static struct hotplug_slot_attribute hotplug_slot_attr_location = {
+static struct hotplug_slot_attribute php_attr_location = {
 	.attr = {.name = "phy_location", .mode = S_IFREG | S_IRUGO},
 	.show = location_read_file,
 };
 
-static void rpaphp_sysfs_add_attr_location (struct hotplug_slot *slot)
-{
-	sysfs_create_file(&slot->kobj, &hotplug_slot_attr_location.attr);
-}
-
-static void rpaphp_sysfs_remove_attr_location (struct hotplug_slot *slot)
-{
-	sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_location.attr);
-}
-
 /* free up the memory used by a slot */
 static void rpaphp_release_slot(struct hotplug_slot *hotplug_slot)
 {
@@ -145,7 +135,7 @@ int rpaphp_deregister_slot(struct slot *slot)
 	list_del(&slot->rpaphp_slot_list);
 	
 	/* remove "phy_location" file */
-	rpaphp_sysfs_remove_attr_location(php_slot);
+	sysfs_remove_file(&php_slot->kobj, &php_attr_location.attr);
 
 	retval = pci_hp_deregister(php_slot);
 	if (retval)
@@ -160,36 +150,45 @@ EXPORT_SYMBOL_GPL(rpaphp_deregister_slot);
 
 int rpaphp_register_slot(struct slot *slot)
 {
+	struct hotplug_slot *php_slot = slot->hotplug_slot;
 	int retval;
 
 	dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n", 
 		__FUNCTION__, slot->dn->full_name, slot->index, slot->name, 
 		slot->power_domain, slot->type);
+
 	/* should not try to register the same slot twice */
-	if (is_registered(slot)) { /* should't be here */
+	if (is_registered(slot)) {
 		err("rpaphp_register_slot: slot[%s] is already registered\n", slot->name);
-		rpaphp_release_slot(slot->hotplug_slot);
-		return -EAGAIN;
+		retval = -EAGAIN;
+		goto register_fail;
 	}	
-	retval = pci_hp_register(slot->hotplug_slot);
+
+	retval = pci_hp_register(php_slot);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
-		rpaphp_release_slot(slot->hotplug_slot);
-		return retval;
+		goto register_fail;
 	}
 
-	/* create "phy_locatoin" file */
-	rpaphp_sysfs_add_attr_location(slot->hotplug_slot);	
+	/* create "phy_location" file */
+	retval = sysfs_create_file(&php_slot->kobj, &php_attr_location.attr);
+	if (retval) {
+		err("sysfs_create_file failed with error %d\n", retval);
+		goto sysfs_fail;
+	}
 
 	/* add slot to our internal list */
-	dbg("%s adding slot[%s] to rpaphp_slot_list\n",
-	    __FUNCTION__, slot->name);
-
 	list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head);
 	info("Slot [%s](PCI location=%s) registered\n", slot->name,
 			slot->location);
 	num_slots++;
 	return 0;
+
+sysfs_fail:
+	pci_hp_deregister(php_slot);
+register_fail:
+	rpaphp_release_slot(php_slot);
+	return retval;
 }
 
 int rpaphp_get_power_status(struct slot *slot, u8 * value)

drivers/pci/hotplug/shpchp_core.c

@@ -104,23 +104,6 @@ static void make_slot_name(struct slot *slot)
 		 slot->bus, slot->number);
 }
 
-
-
-
-static int
-shpchprm_get_physical_slot_number(struct controller *ctrl, u32 *sun,
-				u8 busnum, u8 devnum)
-{
-	int offset = devnum - ctrl->slot_device_offset;
-
-	dbg("%s: ctrl->slot_num_inc %d, offset %d\n", __FUNCTION__,
-			ctrl->slot_num_inc, offset);
-	*sun = (u8) (ctrl->first_slot + ctrl->slot_num_inc *offset);
-	return 0;
-}
-
-
-
 static int init_slots(struct controller *ctrl)
 {
 	struct slot *slot;
@@ -128,7 +111,6 @@ static int init_slots(struct controller *ctrl)
 	struct hotplug_slot_info *info;
 	int retval = -ENOMEM;
 	int i;
-	u32 sun;
 
 	for (i = 0; i < ctrl->num_slots; i++) {
 		slot = kzalloc(sizeof(*slot), GFP_KERNEL);
@@ -149,16 +131,11 @@ static int init_slots(struct controller *ctrl)
 
 		slot->hp_slot = i;
 		slot->ctrl = ctrl;
-		slot->bus = ctrl->slot_bus;
+		slot->bus = ctrl->pci_dev->subordinate->number;
 		slot->device = ctrl->slot_device_offset + i;
 		slot->hpc_ops = ctrl->hpc_ops;
+		slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
 		mutex_init(&slot->lock);
-
-		if (shpchprm_get_physical_slot_number(ctrl, &sun,
-						      slot->bus, slot->device))
-			goto error_info;
-
-		slot->number = sun;
 		INIT_DELAYED_WORK(&slot->work, queue_pushbutton_work);
 
 		/* register this slot with the hotplug pci core */
@@ -211,42 +188,12 @@ void cleanup_slots(struct controller *ctrl)
 	}
 }
 
-static int get_ctlr_slot_config(struct controller *ctrl)
-{
-	int num_ctlr_slots;
-	int first_device_num;
-	int physical_slot_num;
-	int updown;
-	int rc;
-	int flags;
-
-	rc = shpc_get_ctlr_slot_config(ctrl, &num_ctlr_slots,
-				       &first_device_num, &physical_slot_num,
-				       &updown, &flags);
-	if (rc) {
-		err("%s: get_ctlr_slot_config fail for b:d (%x:%x)\n",
-		    __FUNCTION__, ctrl->bus, ctrl->device);
-		return -1;
-	}
-
-	ctrl->num_slots = num_ctlr_slots;
-	ctrl->slot_device_offset = first_device_num;
-	ctrl->first_slot = physical_slot_num;
-	ctrl->slot_num_inc = updown;		/* either -1 or 1 */
-
-	dbg("%s: num_slot(0x%x) 1st_dev(0x%x) psn(0x%x) updown(%d) for b:d "
-	    "(%x:%x)\n", __FUNCTION__, num_ctlr_slots, first_device_num,
-	    physical_slot_num, updown, ctrl->bus, ctrl->device);
-
-	return 0;
-}
-
 /*
  * set_attention_status - Turns the Amber LED for a slot on, off or blink
  */
 static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
 
@@ -258,7 +205,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 
 static int enable_slot (struct hotplug_slot *hotplug_slot)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
 
@@ -267,7 +214,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)
 
 static int disable_slot (struct hotplug_slot *hotplug_slot)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
 
@@ -276,7 +223,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)
 
 static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -290,7 +237,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
 
 static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -304,7 +251,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
 
 static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -318,7 +265,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
 
 static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -332,7 +279,7 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 
 static int get_address (struct hotplug_slot *hotplug_slot, u32 *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	struct pci_bus *bus = slot->ctrl->pci_dev->subordinate;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -344,7 +291,7 @@ static int get_address (struct hotplug_slot *hotplug_slot, u32 *value)
 
 static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -358,7 +305,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 
 static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
 {
-	struct slot *slot = get_slot(hotplug_slot, __FUNCTION__);
+	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
 	dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
@@ -385,9 +332,6 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	int rc;
 	struct controller *ctrl;
-	struct slot *t_slot;
-	int first_device_num;	/* first PCI device number */
-	int num_ctlr_slots;	/* number of slots implemented */
 
 	if (!is_shpc_capable(pdev))
 		return -ENODEV;
@@ -408,47 +352,13 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	pci_set_drvdata(pdev, ctrl);
 
-	ctrl->bus = pdev->bus->number;
-	ctrl->slot_bus = pdev->subordinate->number;
-	ctrl->device = PCI_SLOT(pdev->devfn);
-	ctrl->function = PCI_FUNC(pdev->devfn);
-
-	dbg("ctrl bus=0x%x, device=%x, function=%x, irq=%x\n",
-	    ctrl->bus, ctrl->device, ctrl->function, pdev->irq);
-
-	/*
-	 * Save configuration headers for this and subordinate PCI buses
-	 */
-	rc = get_ctlr_slot_config(ctrl);
-	if (rc) {
-		err(msg_initialization_err, rc);
-		goto err_out_release_ctlr;
-	}
-	first_device_num = ctrl->slot_device_offset;
-	num_ctlr_slots = ctrl->num_slots;
-
-	ctrl->add_support = 1;
-
 	/* Setup the slot information structures */
 	rc = init_slots(ctrl);
 	if (rc) {
-		err(msg_initialization_err, 6);
+		err("%s: slot initialization failed\n", SHPC_MODULE_NAME);
 		goto err_out_release_ctlr;
 	}
 
-	/* Now hpc_functions (slot->hpc_ops->functions) are ready  */
-	t_slot = shpchp_find_slot(ctrl, first_device_num);
-
-	/* Check for operation bus speed */
-	rc = t_slot->hpc_ops->get_cur_bus_speed(t_slot, &ctrl->speed);
-	dbg("%s: t_slot->hp_slot %x\n", __FUNCTION__,t_slot->hp_slot);
-
-	if (rc || ctrl->speed == PCI_SPEED_UNKNOWN) {
-		err(SHPC_MODULE_NAME ": Can't get current bus speed. "
-		    "Set to 33MHz PCI.\n");
-		ctrl->speed = PCI_SPEED_33MHz;
-	}
-
 	rc = shpchp_create_ctrl_files(ctrl);
 	if (rc)
 		goto err_cleanup_slots;

drivers/pci/hotplug/shpchp_ctrl.c

@@ -57,9 +57,8 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
 	return 0;
 }
 
-u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id)
+u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
 {
-	struct controller *ctrl = (struct controller *) inst_id;
 	struct slot *p_slot;
 	u32 event_type;
 
@@ -81,9 +80,8 @@ u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id)
 
 }
 
-u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id)
+u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
 {
-	struct controller *ctrl = (struct controller *) inst_id;
 	struct slot *p_slot;
 	u8 getstatus;
 	u32 event_type;
@@ -120,9 +118,8 @@ u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id)
 	return 1;
 }
 
-u8 shpchp_handle_presence_change(u8 hp_slot, void *inst_id)
+u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
 {
-	struct controller *ctrl = (struct controller *) inst_id;
 	struct slot *p_slot;
 	u32 event_type;
 
@@ -154,9 +151,8 @@ u8 shpchp_handle_presence_change(u8 hp_slot, void *inst_id)
 	return 1;
 }
 
-u8 shpchp_handle_power_fault(u8 hp_slot, void *inst_id)
+u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 {
-	struct controller *ctrl = (struct controller *) inst_id;
 	struct slot *p_slot;
 	u32 event_type;
 
@@ -497,10 +493,12 @@ static void handle_button_press_event(struct slot *p_slot)
 		p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (getstatus) {
 			p_slot->state = BLINKINGOFF_STATE;
-			info(msg_button_off, p_slot->name);
+			info("PCI slot #%s - powering off due to button "
+			     "press.\n", p_slot->name);
 		} else {
 			p_slot->state = BLINKINGON_STATE;
-			info(msg_button_on, p_slot->name);
+			info("PCI slot #%s - powering on due to button "
+			     "press.\n", p_slot->name);
 		}
 		/* blink green LED and turn off amber */
 		p_slot->hpc_ops->green_led_blink(p_slot);
@@ -523,7 +521,8 @@ static void handle_button_press_event(struct slot *p_slot)
 		else
 			p_slot->hpc_ops->green_led_off(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
-		info(msg_button_cancel, p_slot->name);
+		info("PCI slot #%s - action canceled due to button press\n",
+		     p_slot->name);
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:

drivers/pci/htirq.c

@@ -99,14 +99,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	int pos;
 	int irq;
 
-	pos = pci_find_capability(dev, PCI_CAP_ID_HT);
-	while (pos) {
-		u8 subtype;
-		pci_read_config_byte(dev, pos + 3, &subtype);
-		if (subtype == HT_CAPTYPE_IRQ)
-			break;
-		pos = pci_find_next_capability(dev, pos, PCI_CAP_ID_HT);
-	}
+	pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
 	if (!pos)
 		return -EINVAL;
 

drivers/pci/pci-driver.c

@@ -162,14 +162,9 @@ const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
 const struct pci_device_id *pci_match_device(struct pci_driver *drv,
 					     struct pci_dev *dev)
 {
-	const struct pci_device_id *id;
 	struct pci_dynid *dynid;
 
-	id = pci_match_id(drv->id_table, dev);
-	if (id)
-		return id;
-
-	/* static ids didn't match, lets look at the dynamic ones */
+	/* Look at the dynamic ids first, before the static ones */
 	spin_lock(&drv->dynids.lock);
 	list_for_each_entry(dynid, &drv->dynids.list, node) {
 		if (pci_match_one_device(&dynid->id, dev)) {
@@ -178,7 +173,8 @@ const struct pci_device_id *pci_match_device(struct pci_driver *drv,
 		}
 	}
 	spin_unlock(&drv->dynids.lock);
-	return NULL;
+
+	return pci_match_id(drv->id_table, dev);
 }
 
 static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
@@ -357,6 +353,8 @@ static int pci_device_resume_early(struct device * dev)
 	struct pci_dev * pci_dev = to_pci_dev(dev);
 	struct pci_driver * drv = pci_dev->driver;
 
+	pci_fixup_device(pci_fixup_resume, pci_dev);
+
 	if (drv && drv->resume_early)
 		error = drv->resume_early(pci_dev);
 	return error;

drivers/pci/pci.c

@@ -68,12 +68,14 @@ pci_max_busnr(void)
 
 #endif  /*  0  */
 
-static int __pci_find_next_cap(struct pci_bus *bus, unsigned int devfn, u8 pos, int cap)
+#define PCI_FIND_CAP_TTL	48
+
+static int __pci_find_next_cap_ttl(struct pci_bus *bus, unsigned int devfn,
+				   u8 pos, int cap, int *ttl)
 {
 	u8 id;
-	int ttl = 48;
 
-	while (ttl--) {
+	while ((*ttl)--) {
 		pci_bus_read_config_byte(bus, devfn, pos, &pos);
 		if (pos < 0x40)
 			break;
@@ -89,6 +91,14 @@ static int __pci_find_next_cap(struct pci_bus *bus, unsigned int devfn, u8 pos,
 	return 0;
 }
 
+static int __pci_find_next_cap(struct pci_bus *bus, unsigned int devfn,
+			       u8 pos, int cap)
+{
+	int ttl = PCI_FIND_CAP_TTL;
+
+	return __pci_find_next_cap_ttl(bus, devfn, pos, cap, &ttl);
+}
+
 int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap)
 {
 	return __pci_find_next_cap(dev->bus, dev->devfn,
@@ -96,10 +106,10 @@ int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap)
 }
 EXPORT_SYMBOL_GPL(pci_find_next_capability);
 
-static int __pci_bus_find_cap(struct pci_bus *bus, unsigned int devfn, u8 hdr_type, int cap)
+static int __pci_bus_find_cap_start(struct pci_bus *bus,
+				    unsigned int devfn, u8 hdr_type)
 {
 	u16 status;
-	u8 pos;
 
 	pci_bus_read_config_word(bus, devfn, PCI_STATUS, &status);
 	if (!(status & PCI_STATUS_CAP_LIST))
@@ -108,15 +118,14 @@ static int __pci_bus_find_cap(struct pci_bus *bus, unsigned int devfn, u8 hdr_ty
 	switch (hdr_type) {
 	case PCI_HEADER_TYPE_NORMAL:
 	case PCI_HEADER_TYPE_BRIDGE:
-		pos = PCI_CAPABILITY_LIST;
-		break;
+		return PCI_CAPABILITY_LIST;
 	case PCI_HEADER_TYPE_CARDBUS:
-		pos = PCI_CB_CAPABILITY_LIST;
-		break;
+		return PCI_CB_CAPABILITY_LIST;
 	default:
 		return 0;
 	}
-	return __pci_find_next_cap(bus, devfn, pos, cap);
+
+	return 0;
 }
 
 /**
@@ -140,7 +149,13 @@ static int __pci_bus_find_cap(struct pci_bus *bus, unsigned int devfn, u8 hdr_ty
  */
 int pci_find_capability(struct pci_dev *dev, int cap)
 {
-	return __pci_bus_find_cap(dev->bus, dev->devfn, dev->hdr_type, cap);
+	int pos;
+
+	pos = __pci_bus_find_cap_start(dev->bus, dev->devfn, dev->hdr_type);
+	if (pos)
+		pos = __pci_find_next_cap(dev->bus, dev->devfn, pos, cap);
+
+	return pos;
 }
 
 /**
@@ -158,11 +173,16 @@ int pci_find_capability(struct pci_dev *dev, int cap)
  */
 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap)
 {
+	int pos;
 	u8 hdr_type;
 
 	pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type);
 
-	return __pci_bus_find_cap(bus, devfn, hdr_type & 0x7f, cap);
+	pos = __pci_bus_find_cap_start(bus, devfn, hdr_type & 0x7f);
+	if (pos)
+		pos = __pci_find_next_cap(bus, devfn, pos, cap);
+
+	return pos;
 }
 
 /**
@@ -214,6 +234,74 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
 }
 EXPORT_SYMBOL_GPL(pci_find_ext_capability);
 
+static int __pci_find_next_ht_cap(struct pci_dev *dev, int pos, int ht_cap)
+{
+	int rc, ttl = PCI_FIND_CAP_TTL;
+	u8 cap, mask;
+
+	if (ht_cap == HT_CAPTYPE_SLAVE || ht_cap == HT_CAPTYPE_HOST)
+		mask = HT_3BIT_CAP_MASK;
+	else
+		mask = HT_5BIT_CAP_MASK;
+
+	pos = __pci_find_next_cap_ttl(dev->bus, dev->devfn, pos,
+				      PCI_CAP_ID_HT, &ttl);
+	while (pos) {
+		rc = pci_read_config_byte(dev, pos + 3, &cap);
+		if (rc != PCIBIOS_SUCCESSFUL)
+			return 0;
+
+		if ((cap & mask) == ht_cap)
+			return pos;
+
+		pos = __pci_find_next_cap_ttl(dev->bus, dev->devfn, pos,
+					      PCI_CAP_ID_HT, &ttl);
+	}
+
+	return 0;
+}
+/**
+ * pci_find_next_ht_capability - query a device's Hypertransport capabilities
+ * @dev: PCI device to query
+ * @pos: Position from which to continue searching
+ * @ht_cap: Hypertransport capability code
+ *
+ * To be used in conjunction with pci_find_ht_capability() to search for
+ * all capabilities matching @ht_cap. @pos should always be a value returned
+ * from pci_find_ht_capability().
+ *
+ * NB. To be 100% safe against broken PCI devices, the caller should take
+ * steps to avoid an infinite loop.
+ */
+int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap)
+{
+	return __pci_find_next_ht_cap(dev, pos + PCI_CAP_LIST_NEXT, ht_cap);
+}
+EXPORT_SYMBOL_GPL(pci_find_next_ht_capability);
+
+/**
+ * pci_find_ht_capability - query a device's Hypertransport capabilities
+ * @dev: PCI device to query
+ * @ht_cap: Hypertransport capability code
+ *
+ * Tell if a device supports a given Hypertransport capability.
+ * Returns an address within the device's PCI configuration space
+ * or 0 in case the device does not support the request capability.
+ * The address points to the PCI capability, of type PCI_CAP_ID_HT,
+ * which has a Hypertransport capability matching @ht_cap.
+ */
+int pci_find_ht_capability(struct pci_dev *dev, int ht_cap)
+{
+	int pos;
+
+	pos = __pci_bus_find_cap_start(dev->bus, dev->devfn, dev->hdr_type);
+	if (pos)
+		pos = __pci_find_next_ht_cap(dev, pos, ht_cap);
+
+	return pos;
+}
+EXPORT_SYMBOL_GPL(pci_find_ht_capability);
+
 /**
  * pci_find_parent_resource - return resource region of parent bus of given region
  * @dev: PCI device structure contains resources to be searched

drivers/pci/pcie/portdrv_pci.c

@@ -90,7 +90,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 		return -ENODEV;
 	
 	pci_set_master(dev);
-        if (!dev->irq) {
+        if (!dev->irq && dev->pin) {
 		printk(KERN_WARNING 
 		"%s->Dev[%04x:%04x] has invalid IRQ. Check vendor BIOS\n", 
 		__FUNCTION__, dev->device, dev->vendor);

drivers/pci/probe.c

@@ -649,6 +649,9 @@ static void pci_read_irq(struct pci_dev *dev)
  * Returns 0 on success and -1 if unknown type of device (not normal, bridge
  * or CardBus).
  */
+
+#define LEGACY_IO_RESOURCE	(IORESOURCE_IO | IORESOURCE_PCI_FIXED)
+
 static int pci_setup_device(struct pci_dev * dev)
 {
 	u32 class;
@@ -692,18 +695,18 @@ static int pci_setup_device(struct pci_dev * dev)
 			if ((progif & 1) == 0) {
 				dev->resource[0].start = 0x1F0;
 				dev->resource[0].end = 0x1F7;
-				dev->resource[0].flags = IORESOURCE_IO;
+				dev->resource[0].flags = LEGACY_IO_RESOURCE;
 				dev->resource[1].start = 0x3F6;
 				dev->resource[1].end = 0x3F6;
-				dev->resource[1].flags = IORESOURCE_IO;
+				dev->resource[1].flags = LEGACY_IO_RESOURCE;
 			}
 			if ((progif & 4) == 0) {
 				dev->resource[2].start = 0x170;
 				dev->resource[2].end = 0x177;
-				dev->resource[2].flags = IORESOURCE_IO;
+				dev->resource[2].flags = LEGACY_IO_RESOURCE;
 				dev->resource[3].start = 0x376;
 				dev->resource[3].end = 0x376;
-				dev->resource[3].flags = IORESOURCE_IO;
+				dev->resource[3].flags = LEGACY_IO_RESOURCE;
 			}
 		}
 		break;

drivers/pci/search.c

@@ -413,6 +413,24 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
 	return dev;
 }
 
+const struct pci_device_id *pci_find_present(const struct pci_device_id *ids)
+{
+	struct pci_dev *dev;
+	const struct pci_device_id *found = NULL;
+
+	WARN_ON(in_interrupt());
+	down_read(&pci_bus_sem);
+	while (ids->vendor || ids->subvendor || ids->class_mask) {
+		list_for_each_entry(dev, &pci_devices, global_list) {
+			if ((found = pci_match_one_device(ids, dev)) != NULL)
+				break;
+		}
+		ids++;
+	}
+	up_read(&pci_bus_sem);
+	return found;
+}
+
 /**
  * pci_dev_present - Returns 1 if device matching the device list is present, 0 if not.
  * @ids: A pointer to a null terminated list of struct pci_device_id structures
@@ -426,25 +444,11 @@ struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
  */
 int pci_dev_present(const struct pci_device_id *ids)
 {
-	struct pci_dev *dev;
-	int found = 0;
-
-	WARN_ON(in_interrupt());
-	down_read(&pci_bus_sem);
-	while (ids->vendor || ids->subvendor || ids->class_mask) {
-		list_for_each_entry(dev, &pci_devices, global_list) {
-			if (pci_match_one_device(ids, dev)) {
-				found = 1;
-				goto exit;
-			}
-		}
-		ids++;
-	}
-exit:
-	up_read(&pci_bus_sem);
-	return found;
+	return pci_find_present(ids) == NULL ? 0 : 1;
 }
+
 EXPORT_SYMBOL(pci_dev_present);
+EXPORT_SYMBOL(pci_find_present);
 
 EXPORT_SYMBOL(pci_find_device);
 EXPORT_SYMBOL(pci_find_device_reverse);

drivers/pci/setup-res.c

@@ -33,11 +33,22 @@ 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. */
+	/*
+	 * Ignore resources for unimplemented BARs and unused resource slots
+	 * for 64 bit BARs.
+	 */
 	if (!res->flags)
 		return;
 
+	/*
+	 * Ignore non-moveable resources.  This might be legacy resources for
+	 * which no functional BAR register exists or another important
+	 * system resource we should better not move around in system address
+	 * space.
+	 */
+	if (res->flags & IORESOURCE_PCI_FIXED)
+		return;
+
 	pcibios_resource_to_bus(dev, &region, res);
 
 	pr_debug("  got res [%llx:%llx] bus [%lx:%lx] flags %lx for "
@@ -212,6 +223,10 @@ pdev_sort_resources(struct pci_dev *dev, struct resource_list *head)
 		resource_size_t r_align;
 
 		r = &dev->resource[i];
+
+		if (r->flags & IORESOURCE_PCI_FIXED)
+			continue;
+
 		r_align = r->end - r->start;
 		
 		if (!(r->flags) || r->parent)

include/asm-generic/vmlinux.lds.h

@@ -35,6 +35,9 @@
 		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
 		*(.pci_fixup_enable)					\
 		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
+		VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;		\
+		*(.pci_fixup_resume)					\
+		VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;		\
 	}								\
 									\
 	/* RapidIO route ops */						\

include/linux/Kbuild

@@ -119,7 +119,6 @@ header-y += nfs4_mount.h
 header-y += nfs_mount.h
 header-y += oom.h
 header-y += param.h
-header-y += pci_ids.h
 header-y += pci_regs.h
 header-y += personality.h
 header-y += pfkeyv2.h
@@ -162,7 +161,6 @@ header-y += vt.h
 header-y += wireless.h
 header-y += xattr.h
 header-y += x25.h
-header-y += zorro_ids.h
 
 unifdef-y += acct.h
 unifdef-y += adb.h

include/linux/ioport.h

@@ -91,6 +91,9 @@ struct resource_list {
 #define IORESOURCE_ROM_COPY		(1<<2)	/* ROM is alloc'd copy, resource field overlaid */
 #define IORESOURCE_ROM_BIOS_COPY	(1<<3)	/* ROM is BIOS copy, resource field overlaid */
 
+/* PCI control bits.  Shares IORESOURCE_BITS with above PCI ROM.  */
+#define IORESOURCE_PCI_FIXED		(1<<4)	/* Do not move resource */
+
 /* PC/ISA/whatever - the normal PC address spaces: IO and memory */
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;

include/linux/pci.h

@@ -20,9 +20,6 @@
 /* Include the pci register defines */
 #include <linux/pci_regs.h>
 
-/* Include the ID list */
-#include <linux/pci_ids.h>
-
 /*
  * The PCI interface treats multi-function devices as independent
  * devices.  The slot/function address of each device is encoded
@@ -54,6 +51,9 @@
 #include <asm/atomic.h>
 #include <linux/device.h>
 
+/* Include the ID list */
+#include <linux/pci_ids.h>
+
 /* File state for mmap()s on /proc/bus/pci/X/Y */
 enum pci_mmap_state {
 	pci_mmap_io,
@@ -396,6 +396,21 @@ struct pci_driver {
  */
 #define pci_module_init	pci_register_driver
 
+/**
+ * PCI_VDEVICE - macro used to describe a specific pci device in short form
+ * @vend: the vendor name
+ * @dev: the 16 bit PCI Device ID
+ *
+ * This macro is used to create a struct pci_device_id that matches a
+ * specific PCI device.  The subvendor, and subdevice fields will be set
+ * to PCI_ANY_ID. The macro allows the next field to follow as the device
+ * private data.
+ */
+
+#define PCI_VDEVICE(vendor, device)		\
+	PCI_VENDOR_ID_##vendor, (device),	\
+	PCI_ANY_ID, PCI_ANY_ID, 0, 0
+
 /* these external functions are only available when PCI support is enabled */
 #ifdef CONFIG_PCI
 
@@ -454,6 +469,8 @@ struct pci_dev *pci_find_slot (unsigned int bus, unsigned int devfn);
 int pci_find_capability (struct pci_dev *dev, int cap);
 int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
 int pci_find_ext_capability (struct pci_dev *dev, int cap);
+int pci_find_ht_capability (struct pci_dev *dev, int ht_cap);
+int pci_find_next_ht_capability (struct pci_dev *dev, int pos, int ht_cap);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
 
 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
@@ -468,6 +485,7 @@ struct pci_dev *pci_get_slot (struct pci_bus *bus, unsigned int devfn);
 struct pci_dev *pci_get_bus_and_slot (unsigned int bus, unsigned int devfn);
 struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
 int pci_dev_present(const struct pci_device_id *ids);
+const struct pci_device_id *pci_find_present(const struct pci_device_id *ids);
 
 int pci_bus_read_config_byte (struct pci_bus *bus, unsigned int devfn, int where, u8 *val);
 int pci_bus_read_config_word (struct pci_bus *bus, unsigned int devfn, int where, u16 *val);
@@ -681,6 +699,7 @@ static inline struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *
 { return NULL; }
 
 #define pci_dev_present(ids)	(0)
+#define pci_find_present(ids)	(NULL)
 #define pci_dev_put(dev)	do { } while (0)
 
 static inline void pci_set_master(struct pci_dev *dev) { }
@@ -783,6 +802,7 @@ enum pci_fixup_pass {
 	pci_fixup_header,	/* After reading configuration header */
 	pci_fixup_final,	/* Final phase of device fixups */
 	pci_fixup_enable,	/* pci_enable_device() time */
+	pci_fixup_resume,	/* pci_enable_device() time */
 };
 
 /* Anonymous variables would be nice... */
@@ -801,6 +821,9 @@ enum pci_fixup_pass {
 #define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,			\
 			vendor##device##hook, vendor, device, hook)
+#define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook)			\
+	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,			\
+			resume##vendor##device##hook, vendor, device, hook)
 
 
 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);

include/linux/pci_ids.h

@@ -104,6 +104,10 @@
 #define PCI_CLASS_SERIAL_FIBER		0x0c04
 #define PCI_CLASS_SERIAL_SMBUS		0x0c05
 
+#define PCI_BASE_CLASS_WIRELESS			0x0d
+#define PCI_CLASS_WIRELESS_RF_CONTROLLER	0x0d10
+#define PCI_CLASS_WIRELESS_WHCI			0x0d1010
+
 #define PCI_BASE_CLASS_INTELLIGENT	0x0e
 #define PCI_CLASS_INTELLIGENT_I2O	0x0e00
 

include/linux/pci_regs.h

@@ -475,15 +475,32 @@
 #define PCI_PWR_CAP		12	/* Capability */
 #define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */
 
-/* Hypertransport sub capability types */
+/*
+ * Hypertransport sub capability types
+ *
+ * Unfortunately there are both 3 bit and 5 bit capability types defined
+ * in the HT spec, catering for that is a little messy. You probably don't
+ * want to use these directly, just use pci_find_ht_capability() and it
+ * will do the right thing for you.
+ */
+#define HT_3BIT_CAP_MASK	0xE0
 #define HT_CAPTYPE_SLAVE	0x00	/* Slave/Primary link configuration */
 #define HT_CAPTYPE_HOST		0x20	/* Host/Secondary link configuration */
+
+#define HT_5BIT_CAP_MASK	0xF8
 #define HT_CAPTYPE_IRQ		0x80	/* IRQ Configuration */
 #define HT_CAPTYPE_REMAPPING_40	0xA0	/* 40 bit address remapping */
 #define HT_CAPTYPE_REMAPPING_64 0xA2	/* 64 bit address remapping */
 #define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */
 #define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */
 #define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */
+#define  HT_MSI_FLAGS		0x02		/* Offset to flags */
+#define  HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */
+#define  HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */
+#define  HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */
+#define  HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */
+#define  HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */
+#define  HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */
 #define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */
 #define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */
 #define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */