Merge kroah.com:/home/greg/linux/BK/bleed-2.6

into kroah.com:/home/greg/linux/BK/pci-2.6

arch/i386/pci/fixup.c

@@ -282,7 +282,7 @@ static int quirk_pcie_aspm_write(struct pci_bus *bus, unsigned int devfn, int wh
 	return raw_pci_ops->write(0, bus->number, devfn, where, size, value);
 }
 
-struct pci_ops quirk_pcie_aspm_ops = {
+static struct pci_ops quirk_pcie_aspm_ops = {
 	.read = quirk_pcie_aspm_read,
 	.write = quirk_pcie_aspm_write,
 };
@@ -295,7 +295,7 @@ struct pci_ops quirk_pcie_aspm_ops = {
  * the root port in an array for fast indexing. Replace the bus ops
  * with the modified one.
  */
-void pcie_rootport_aspm_quirk(struct pci_dev *pdev)
+static void pcie_rootport_aspm_quirk(struct pci_dev *pdev)
 {
 	int cap_base, i;
 	struct pci_bus  *pbus;

arch/i386/pci/irq.c

@@ -29,6 +29,8 @@ static int acer_tm360_irqrouting;
 
 static struct irq_routing_table *pirq_table;
 
+static int pirq_enable_irq(struct pci_dev *dev);
+
 /*
  * Never use: 0, 1, 2 (timer, keyboard, and cascade)
  * Avoid using: 13, 14 and 15 (FP error and IDE).
@@ -1019,7 +1021,7 @@ void pcibios_penalize_isa_irq(int irq)
 		pirq_penalize_isa_irq(irq);
 }
 
-int pirq_enable_irq(struct pci_dev *dev)
+static int pirq_enable_irq(struct pci_dev *dev)
 {
 	u8 pin;
 	extern int interrupt_line_quirk;

arch/i386/pci/pci.h

@@ -71,6 +71,4 @@ extern unsigned int pcibios_irq_mask;
 extern int pcibios_scanned;
 extern spinlock_t pci_config_lock;
 
-int pirq_enable_irq(struct pci_dev *dev);
-
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);

drivers/media/video/bttv-driver.c

@@ -3942,7 +3942,7 @@ static int bttv_suspend(struct pci_dev *pci_dev, u32 state)
 
 	/* save pci state */
 	pci_save_state(pci_dev);
-	if (0 != pci_set_power_state(pci_dev, state)) {
+	if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
 		pci_disable_device(pci_dev);
 		btv->state.disabled = 1;
 	}
@@ -3961,7 +3961,7 @@ static int bttv_resume(struct pci_dev *pci_dev)
 		pci_enable_device(pci_dev);
 		btv->state.disabled = 0;
 	}
-	pci_set_power_state(pci_dev, 0);
+	pci_set_power_state(pci_dev, PCI_D0);
 	pci_restore_state(pci_dev);
 
 	/* restore bt878 state */

drivers/net/3c59x.c

@@ -1549,7 +1549,7 @@ vortex_up(struct net_device *dev)
 	int i;
 
 	if (VORTEX_PCI(vp) && vp->enable_wol) {
-		pci_set_power_state(VORTEX_PCI(vp), 0);	/* Go active */
+		pci_set_power_state(VORTEX_PCI(vp), PCI_D0);	/* Go active */
 		pci_restore_state(VORTEX_PCI(vp));
 	}
 
@@ -2941,7 +2941,7 @@ static int vortex_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	/* The kernel core really should have pci_get_power_state() */
 
 	if(state != 0)
-		pci_set_power_state(VORTEX_PCI(vp), 0);
+		pci_set_power_state(VORTEX_PCI(vp), PCI_D0);
 	err = vortex_do_ioctl(dev, rq, cmd);
 	if(state != 0)
 		pci_set_power_state(VORTEX_PCI(vp), state);
@@ -3140,7 +3140,7 @@ static void acpi_set_WOL(struct net_device *dev)
 
 	/* Change the power state to D3; RxEnable doesn't take effect. */
 	pci_enable_wake(VORTEX_PCI(vp), 0, 1);
-	pci_set_power_state(VORTEX_PCI(vp), 3);
+	pci_set_power_state(VORTEX_PCI(vp), PCI_D3hot);
 }
 
 
@@ -3163,7 +3163,7 @@ static void __devexit vortex_remove_one (struct pci_dev *pdev)
 	unregister_netdev(dev);
 
 	if (VORTEX_PCI(vp) && vp->enable_wol) {
-		pci_set_power_state(VORTEX_PCI(vp), 0);	/* Go active */
+		pci_set_power_state(VORTEX_PCI(vp), PCI_D0);	/* Go active */
 		if (vp->pm_state_valid)
 			pci_restore_state(VORTEX_PCI(vp));
 	}

drivers/net/8139cp.c

@@ -1623,7 +1623,7 @@ static int read_eeprom (void __iomem *ioaddr, int location, int addr_len)
 static void cp_set_d3_state (struct cp_private *cp)
 {
 	pci_enable_wake (cp->pdev, 0, 1); /* Enable PME# generation */
-	pci_set_power_state (cp->pdev, 3);
+	pci_set_power_state (cp->pdev, PCI_D3hot);
 }
 
 static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -1813,7 +1813,7 @@ static void cp_remove_one (struct pci_dev *pdev)
 		BUG();
 	unregister_netdev(dev);
 	iounmap(cp->regs);
-	if (cp->wol_enabled) pci_set_power_state (pdev, 0);
+	if (cp->wol_enabled) pci_set_power_state (pdev, PCI_D0);
 	pci_release_regions(pdev);
 	pci_clear_mwi(pdev);
 	pci_disable_device(pdev);
@@ -1863,7 +1863,7 @@ static int cp_resume (struct pci_dev *pdev)
 	netif_device_attach (dev);
 	
 	if (cp->pdev && cp->wol_enabled) {
-		pci_set_power_state (cp->pdev, 0);
+		pci_set_power_state (cp->pdev, PCI_D0);
 		pci_restore_state (cp->pdev);
 	}
 	

drivers/net/8139too.c

@@ -2607,7 +2607,7 @@ static int rtl8139_suspend (struct pci_dev *pdev, u32 state)
 
 	spin_unlock_irqrestore (&tp->lock, flags);
 
-	pci_set_power_state (pdev, 3);
+	pci_set_power_state (pdev, PCI_D3hot);
 
 	return 0;
 }
@@ -2620,7 +2620,7 @@ static int rtl8139_resume (struct pci_dev *pdev)
 	pci_restore_state (pdev);
 	if (!netif_running (dev))
 		return 0;
-	pci_set_power_state (pdev, 0);
+	pci_set_power_state (pdev, PCI_D0);
 	rtl8139_init_ring (dev);
 	rtl8139_hw_start (dev);
 	netif_device_attach (dev);

drivers/net/amd8111e.c

@@ -1826,17 +1826,17 @@ static int amd8111e_suspend(struct pci_dev *pci_dev, u32 state)
 		if(lp->options & OPTION_WAKE_PHY_ENABLE)
 			amd8111e_enable_link_change(lp);	
 		
-		pci_enable_wake(pci_dev, 3, 1);
-		pci_enable_wake(pci_dev, 4, 1); /* D3 cold */
+		pci_enable_wake(pci_dev, PCI_D3hot, 1);
+		pci_enable_wake(pci_dev, PCI_D3cold, 1);
 
 	}
 	else{		
-		pci_enable_wake(pci_dev, 3, 0);
-		pci_enable_wake(pci_dev, 4, 0); /* 4 == D3 cold */
+		pci_enable_wake(pci_dev, PCI_D3hot, 0);
+		pci_enable_wake(pci_dev, PCI_D3cold, 0);
 	}
 	
 	pci_save_state(pci_dev);
-	pci_set_power_state(pci_dev, 3);
+	pci_set_power_state(pci_dev, PCI_D3hot);
 
 	return 0;
 }
@@ -1848,11 +1848,11 @@ static int amd8111e_resume(struct pci_dev *pci_dev)
 	if (!netif_running(dev))
 		return 0;
 
-	pci_set_power_state(pci_dev, 0);
+	pci_set_power_state(pci_dev, PCI_D0);
 	pci_restore_state(pci_dev);
 
-	pci_enable_wake(pci_dev, 3, 0);
-	pci_enable_wake(pci_dev, 4, 0); /* D3 cold */
+	pci_enable_wake(pci_dev, PCI_D3hot, 0);
+	pci_enable_wake(pci_dev, PCI_D3cold, 0); /* D3 cold */
 
 	netif_device_attach(dev);
 

drivers/net/e100.c

@@ -2326,7 +2326,7 @@ static int e100_suspend(struct pci_dev *pdev, u32 state)
 	pci_save_state(pdev);
 	pci_enable_wake(pdev, state, nic->flags & (wol_magic | e100_asf(nic)));
 	pci_disable_device(pdev);
-	pci_set_power_state(pdev, state);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
 	return 0;
 }
@@ -2336,7 +2336,7 @@ static int e100_resume(struct pci_dev *pdev)
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct nic *nic = netdev_priv(netdev);
 
-	pci_set_power_state(pdev, 0);
+	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 	e100_hw_init(nic);
 

drivers/net/eepro100.c

@@ -1014,7 +1014,7 @@ speedo_open(struct net_device *dev)
 	if (netif_msg_ifup(sp))
 		printk(KERN_DEBUG "%s: speedo_open() irq %d.\n", dev->name, dev->irq);
 
-	pci_set_power_state(sp->pdev, 0);
+	pci_set_power_state(sp->pdev, PCI_D0);
 
 	/* Set up the Tx queue early.. */
 	sp->cur_tx = 0;
@@ -1963,7 +1963,7 @@ speedo_close(struct net_device *dev)
 	if (netif_msg_ifdown(sp))
 		printk(KERN_DEBUG "%s: %d multicast blocks dropped.\n", dev->name, i);
 
-	pci_set_power_state(sp->pdev, 2);
+	pci_set_power_state(sp->pdev, PCI_D2);
 
 	return 0;
 }
@@ -2088,7 +2088,7 @@ static int speedo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 		   access from the timeout handler.
 		   They are currently serialized only with MDIO access from the
 		   timer routine.  2000/05/09 SAW */
-		saved_acpi = pci_set_power_state(sp->pdev, 0);
+		saved_acpi = pci_set_power_state(sp->pdev, PCI_D0);
 		t = del_timer_sync(&sp->timer);
 		data->val_out = mdio_read(dev, data->phy_id & 0x1f, data->reg_num & 0x1f);
 		if (t)
@@ -2099,7 +2099,7 @@ static int speedo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	case SIOCSMIIREG:		/* Write MII PHY register. */
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
-		saved_acpi = pci_set_power_state(sp->pdev, 0);
+		saved_acpi = pci_set_power_state(sp->pdev, PCI_D0);
 		t = del_timer_sync(&sp->timer);
 		mdio_write(dev, data->phy_id, data->reg_num, data->val_in);
 		if (t)

drivers/net/pci-skeleton.c

@@ -1921,7 +1921,7 @@ static int netdrv_suspend (struct pci_dev *pdev, u32 state)
 	spin_unlock_irqrestore (&tp->lock, flags);
 
 	pci_save_state (pdev);
-	pci_set_power_state (pdev, 3);
+	pci_set_power_state (pdev, PCI_D3hot);
 
 	return 0;
 }
@@ -1934,7 +1934,7 @@ static int netdrv_resume (struct pci_dev *pdev)
 
 	if (!netif_running(dev))
 		return 0;
-	pci_set_power_state (pdev, 0);
+	pci_set_power_state (pdev, PCI_D0);
 	pci_restore_state (pdev);
 	netif_device_attach (dev);
 	netdrv_hw_start (dev);

drivers/net/sis900.c

@@ -2238,7 +2238,7 @@ static int sis900_suspend(struct pci_dev *pci_dev, u32 state)
 	/* Stop the chip's Tx and Rx Status Machine */
 	outl(RxDIS | TxDIS | inl(ioaddr + cr), ioaddr + cr);
 
-	pci_set_power_state(pci_dev, 3);
+	pci_set_power_state(pci_dev, PCI_D3hot);
 	pci_save_state(pci_dev);
 
 	return 0;
@@ -2253,7 +2253,7 @@ static int sis900_resume(struct pci_dev *pci_dev)
 	if(!netif_running(net_dev))
 		return 0;
 	pci_restore_state(pci_dev);
-	pci_set_power_state(pci_dev, 0);
+	pci_set_power_state(pci_dev, PCI_D0);
 
 	sis900_init_rxfilter(net_dev);
 

drivers/net/starfire.c

@@ -2159,7 +2159,7 @@ static void __devexit starfire_remove_one (struct pci_dev *pdev)
 
 
 	/* XXX: add wakeup code -- requires firmware for MagicPacket */
-	pci_set_power_state(pdev, 3);	/* go to sleep in D3 mode */
+	pci_set_power_state(pdev, PCI_D3hot);	/* go to sleep in D3 mode */
 	pci_disable_device(pdev);
 
 	iounmap((char *)dev->base_addr);

drivers/net/typhoon.c

@@ -1890,7 +1890,7 @@ typhoon_sleep(struct typhoon *tp, int state, u16 events)
 
 	pci_enable_wake(tp->pdev, state, 1);
 	pci_disable_device(pdev);
-	return pci_set_power_state(pdev, state);
+	return pci_set_power_state(pdev, pci_choose_state(pdev, state));
 }
 
 static int
@@ -1899,7 +1899,7 @@ typhoon_wakeup(struct typhoon *tp, int wait_type)
 	struct pci_dev *pdev = tp->pdev;
 	void __iomem *ioaddr = tp->ioaddr;
 
-	pci_set_power_state(pdev, 0);
+	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 
 	/* Post 2.x.x versions of the Sleep Image require a reset before
@@ -2553,7 +2553,7 @@ typhoon_remove_one(struct pci_dev *pdev)
 	struct typhoon *tp = netdev_priv(dev);
 
 	unregister_netdev(dev);
-	pci_set_power_state(pdev, 0);
+	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 	typhoon_reset(tp->ioaddr, NoWait);
 	iounmap(tp->ioaddr);

drivers/net/via-rhine.c

@@ -1974,7 +1974,7 @@ static int rhine_resume(struct pci_dev *pdev)
         if (request_irq(dev->irq, rhine_interrupt, SA_SHIRQ, dev->name, dev))
 		printk(KERN_ERR "via-rhine %s: request_irq failed\n", dev->name);
 
-	ret = pci_set_power_state(pdev, 0);
+	ret = pci_set_power_state(pdev, PCI_D0);
 	if (debug > 1)
 		printk(KERN_INFO "%s: Entering power state D0 %s (%d).\n",
 			dev->name, ret ? "failed" : "succeeded", ret);

drivers/net/via-velocity.c

@@ -804,7 +804,7 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi
 	
 	/* and leave the chip powered down */
 	
-	pci_set_power_state(pdev, 3);
+	pci_set_power_state(pdev, PCI_D3hot);
 #ifdef CONFIG_PM
 	{
 		unsigned long flags;
@@ -1742,7 +1742,7 @@ static int velocity_open(struct net_device *dev)
 		goto err_free_rd_ring;
 	
 	/* Ensure chip is running */	
-	pci_set_power_state(vptr->pdev, 0);
+	pci_set_power_state(vptr->pdev, PCI_D0);
 	
 	velocity_init_registers(vptr, VELOCITY_INIT_COLD);
 
@@ -1750,7 +1750,7 @@ static int velocity_open(struct net_device *dev)
 			  dev->name, dev);
 	if (ret < 0) {
 		/* Power down the chip */
-		pci_set_power_state(vptr->pdev, 3);
+		pci_set_power_state(vptr->pdev, PCI_D3hot);
 		goto err_free_td_ring;
 	}
 
@@ -1868,7 +1868,7 @@ static int velocity_close(struct net_device *dev)
 		free_irq(dev->irq, dev);
 		
 	/* Power down the chip */
-	pci_set_power_state(vptr->pdev, 3);
+	pci_set_power_state(vptr->pdev, PCI_D3hot);
 	
 	/* Free the resources */
 	velocity_free_td_ring(vptr);
@@ -2194,8 +2194,8 @@ static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	/* If we are asked for information and the device is power
 	   saving then we need to bring the device back up to talk to it */
 	   	
-	if(!netif_running(dev))
-		pci_set_power_state(vptr->pdev, 0);
+	if (!netif_running(dev))
+		pci_set_power_state(vptr->pdev, PCI_D0);
 		
 	switch (cmd) {
 	case SIOCGMIIPHY:	/* Get address of MII PHY in use. */
@@ -2207,8 +2207,8 @@ static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	default:
 		ret = -EOPNOTSUPP;
 	}
-	if(!netif_running(dev))
-		pci_set_power_state(vptr->pdev, 3);
+	if (!netif_running(dev))
+		pci_set_power_state(vptr->pdev, PCI_D3hot);
 		
 		
 	return ret;
@@ -2818,8 +2818,8 @@ static void enable_flow_control_ability(struct velocity_info *vptr)
 static int velocity_ethtool_up(struct net_device *dev)
 {
 	struct velocity_info *vptr = dev->priv;
-	if(!netif_running(dev))
-		pci_set_power_state(vptr->pdev, 0);
+	if (!netif_running(dev))
+		pci_set_power_state(vptr->pdev, PCI_D0);
 	return 0;
 }	
 
@@ -2834,8 +2834,8 @@ static int velocity_ethtool_up(struct net_device *dev)
 static void velocity_ethtool_down(struct net_device *dev)
 {
 	struct velocity_info *vptr = dev->priv;
-	if(!netif_running(dev))
-		pci_set_power_state(vptr->pdev, 3);
+	if (!netif_running(dev))
+		pci_set_power_state(vptr->pdev, PCI_D3hot);
 }
 
 static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -3229,15 +3229,15 @@ static int velocity_suspend(struct pci_dev *pdev, u32 state)
 		velocity_shutdown(vptr);
 		velocity_set_wol(vptr);
 		pci_enable_wake(pdev, 3, 1);
-		pci_set_power_state(pdev, 3);
+		pci_set_power_state(pdev, PCI_D3hot);
 	} else {
 		velocity_save_context(vptr, &vptr->context);
 		velocity_shutdown(vptr);
 		pci_disable_device(pdev);
-		pci_set_power_state(pdev, state);
+		pci_set_power_state(pdev, pci_choose_state(pdev, state));
 	}
 #else
-	pci_set_power_state(pdev, state);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 #endif
 	spin_unlock_irqrestore(&vptr->lock, flags);
 	return 0;
@@ -3252,7 +3252,7 @@ static int velocity_resume(struct pci_dev *pdev)
 	if(!netif_running(vptr->dev))
 		return 0;
 
-	pci_set_power_state(pdev, 0);
+	pci_set_power_state(pdev, PCI_D0);
 	pci_enable_wake(pdev, 0, 0);
 	pci_restore_state(pdev);
 

drivers/pci/hotplug/cpci_hotplug_pci.c

@@ -32,7 +32,7 @@
 #include "pci_hotplug.h"
 #include "cpci_hotplug.h"
 
-#if !defined(CONFIG_HOTPLUG_CPCI_MODULE)
+#if !defined(MODULE)
 #define MY_NAME	"cpci_hotplug"
 #else
 #define MY_NAME	THIS_MODULE->name

drivers/pci/hotplug/cpcihp_generic.c

@@ -45,7 +45,7 @@
 #define DRIVER_AUTHOR	"Scott Murray <scottm@somanetworks.com>"
 #define DRIVER_DESC	"Generic port I/O CompactPCI Hot Plug Driver"
 
-#if !defined(CONFIG_HOTPLUG_CPCI_GENERIC_MODULE)
+#if !defined(MODULE)
 #define MY_NAME	"cpcihp_generic"
 #else
 #define MY_NAME	THIS_MODULE->name

drivers/pci/hotplug/cpqphp_pci.c

@@ -151,18 +151,29 @@ static int PCI_RefinedAccessConfig(struct pci_bus *bus, unsigned int devfn, u8 o
  */
 int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
 {
-	int rc;
-	u16 temp_word;
-	struct pci_dev fakedev;
-	struct pci_bus fakebus;
+	int rc = 0;
 
 	if (cpqhp_legacy_mode) {
-		fakedev.devfn = dev_num << 3;
-		fakedev.bus = &fakebus;
-		fakebus.number = bus_num;
+		struct pci_dev *fakedev;
+		struct pci_bus *fakebus;
+		u16 temp_word;
+
+		fakedev = kmalloc(sizeof(*fakedev), GFP_KERNEL);
+		fakebus = kmalloc(sizeof(*fakebus), GFP_KERNEL);
+		if (!fakedev || !fakebus) {
+			kfree(fakedev);
+			kfree(fakebus);
+			return -ENOMEM;
+		}
+
+		fakedev->devfn = dev_num << 3;
+		fakedev->bus = fakebus;
+		fakebus->number = bus_num;
 		dbg("%s: dev %d, bus %d, pin %d, num %d\n",
 		    __FUNCTION__, dev_num, bus_num, int_pin, irq_num);
-		rc = pcibios_set_irq_routing(&fakedev, int_pin - 0x0a, irq_num);
+		rc = pcibios_set_irq_routing(fakedev, int_pin - 0x0a, irq_num);
+		kfree(fakedev);
+		kfree(fakebus);
 		dbg("%s: rc %d\n", __FUNCTION__, rc);
 		if (!rc)
 			return !rc;
@@ -176,9 +187,10 @@ int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num)
 		// This should only be for x86 as it sets the Edge Level Control Register
 		outb((u8) (temp_word & 0xFF), 0x4d0);
 		outb((u8) ((temp_word & 0xFF00) >> 8), 0x4d1);
+		rc = 0;
 	}
 
-	return 0;
+	return rc;
 }
 
 

drivers/pci/hotplug/fakephp.c

@@ -40,7 +40,7 @@
 #include "pci_hotplug.h"
 #include "../pci.h"
 
-#if !defined(CONFIG_HOTPLUG_PCI_FAKE_MODULE)
+#if !defined(MODULE)
 	#define MY_NAME	"fakephp"
 #else
 	#define MY_NAME	THIS_MODULE->name

drivers/pci/hotplug/ibmphp.h

@@ -34,7 +34,7 @@
 
 extern int ibmphp_debug;
 
-#if !defined(CONFIG_HOTPLUG_PCI_IBM_MODULE)
+#if !defined(MODULE)
 	#define MY_NAME "ibmphpd"
 #else
 	#define MY_NAME THIS_MODULE->name

drivers/pci/hotplug/shpchp.h

@@ -36,7 +36,7 @@
 #include <asm/io.h>		
 #include "pci_hotplug.h"
 
-#if !defined(CONFIG_HOTPLUG_PCI_SHPC_MODULE)
+#if !defined(MODULE)
 	#define MY_NAME	"shpchp"
 #else
 	#define MY_NAME	THIS_MODULE->name

drivers/pci/pci.c

@@ -229,7 +229,7 @@ pci_find_parent_resource(const struct pci_dev *dev, struct resource *res)
 /**
  * pci_set_power_state - Set the power state of a PCI device
  * @dev: PCI device to be suspended
- * @state: Power state we're entering
+ * @state: PCI power state (D0, D1, D2, D3hot, D3cold) we're entering
  *
  * Transition a device to a new power state, using the Power Management 
  * Capabilities in the device's config space.
@@ -242,19 +242,20 @@ pci_find_parent_resource(const struct pci_dev *dev, struct resource *res)
  */
 
 int
-pci_set_power_state(struct pci_dev *dev, int state)
+pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 {
 	int pm;
-	u16 pmcsr;
+	u16 pmcsr, pmc;
 
 	/* bound the state we're entering */
-	if (state > 3) state = 3;
+	if (state > PCI_D3hot)
+		state = PCI_D3hot;
 
 	/* Validate current state:
 	 * Can enter D0 from any state, but if we can only go deeper 
 	 * to sleep if we're already in a low power state
 	 */
-	if (state > 0 && dev->current_state > state)
+	if (state != PCI_D0 && dev->current_state > state)
 		return -EINVAL;
 	else if (dev->current_state == state) 
 		return 0;        /* we're already there */
@@ -263,21 +264,30 @@ pci_set_power_state(struct pci_dev *dev, int state)
 	pm = pci_find_capability(dev, PCI_CAP_ID_PM);
 	
 	/* abort if the device doesn't support PM capabilities */
-	if (!pm) return -EIO; 
+	if (!pm)
+		return -EIO; 
+
+	pci_read_config_word(dev,pm + PCI_PM_PMC,&pmc);
+	if ((pmc & PCI_PM_CAP_VER_MASK) != 2) {
+		printk(KERN_WARNING
+		       "PCI: %s has unsupported PM cap regs version (%u)\n",
+		       dev->slot_name, pmc & PCI_PM_CAP_VER_MASK);
+		return -EIO;
+	}
 
 	/* check if this device supports the desired state */
-	if (state == 1 || state == 2) {
-		u16 pmc;
-		pci_read_config_word(dev,pm + PCI_PM_PMC,&pmc);
-		if (state == 1 && !(pmc & PCI_PM_CAP_D1)) return -EIO;
-		else if (state == 2 && !(pmc & PCI_PM_CAP_D2)) return -EIO;
+	if (state == PCI_D1 || state == PCI_D2) {
+		if (state == PCI_D1 && !(pmc & PCI_PM_CAP_D1))
+			return -EIO;
+		else if (state == PCI_D2 && !(pmc & PCI_PM_CAP_D2))
+			return -EIO;
 	}
 
 	/* If we're in D3, force entire word to 0.
 	 * This doesn't affect PME_Status, disables PME_En, and
 	 * sets PowerState to 0.
 	 */
-	if (dev->current_state >= 3)
+	if (dev->current_state >= PCI_D3hot)
 		pmcsr = 0;
 	else {
 		pci_read_config_word(dev, pm + PCI_PM_CTRL, &pmcsr);
@@ -290,15 +300,40 @@ pci_set_power_state(struct pci_dev *dev, int state)
 
 	/* Mandatory power management transition delays */
 	/* see PCI PM 1.1 5.6.1 table 18 */
-	if(state == 3 || dev->current_state == 3)
+	if (state == PCI_D3hot || dev->current_state == PCI_D3hot)
 		msleep(10);
-	else if(state == 2 || dev->current_state == 2)
+	else if (state == PCI_D2 || dev->current_state == PCI_D2)
 		udelay(200);
 	dev->current_state = state;
 
 	return 0;
 }
 
+/**
+ * pci_choose_state - Choose the power state of a PCI device
+ * @dev: PCI device to be suspended
+ * @state: target sleep state for the whole system
+ *
+ * Returns PCI power state suitable for given device and given system
+ * message.
+ */
+
+pci_power_t pci_choose_state(struct pci_dev *dev, u32 state)
+{
+	if (!pci_find_capability(dev, PCI_CAP_ID_PM))
+		return PCI_D0;
+
+	switch (state) {
+	case 0:	return PCI_D0;
+	case 2: return PCI_D2;
+	case 3: return PCI_D3hot;
+	default: BUG();
+	}
+	return PCI_D0;
+}
+
+EXPORT_SYMBOL(pci_choose_state);
+
 /**
  * pci_save_state - save the PCI configuration space of a device before suspending
  * @dev: - PCI device that we're dealing with
@@ -348,7 +383,7 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
 {
 	int err;
 
-	pci_set_power_state(dev, 0);
+	pci_set_power_state(dev, PCI_D0);
 	if ((err = pcibios_enable_device(dev, bars)) < 0)
 		return err;
 	return 0;
@@ -422,7 +457,7 @@ pci_disable_device(struct pci_dev *dev)
  * 0 if operation is successful.
  * 
  */
-int pci_enable_wake(struct pci_dev *dev, u32 state, int enable)
+int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
 {
 	int pm;
 	u16 value;

drivers/pci/probe.c

@@ -2,6 +2,7 @@
  * probe.c - PCI detection and setup code
  */
 
+#include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
@@ -336,6 +337,22 @@ struct pci_bus * __devinit pci_add_new_bus(struct pci_bus *parent, struct pci_de
 	return child;
 }
 
+static void pci_enable_crs(struct pci_dev *dev)
+{
+	u16 cap, rpctl;
+	int rpcap = pci_find_capability(dev, PCI_CAP_ID_EXP);
+	if (!rpcap)
+		return;
+
+	pci_read_config_word(dev, rpcap + PCI_CAP_FLAGS, &cap);
+	if (((cap & PCI_EXP_FLAGS_TYPE) >> 4) != PCI_EXP_TYPE_ROOT_PORT)
+		return;
+
+	pci_read_config_word(dev, rpcap + PCI_EXP_RTCTL, &rpctl);
+	rpctl |= PCI_EXP_RTCTL_CRSSVE;
+	pci_write_config_word(dev, rpcap + PCI_EXP_RTCTL, rpctl);
+}
+
 unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus);
 
 /*
@@ -366,6 +383,8 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max
 	pci_write_config_word(dev, PCI_BRIDGE_CONTROL,
 			      bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT);
 
+	pci_enable_crs(dev);
+
 	if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus) {
 		unsigned int cmax, busnr;
 		/*
@@ -375,6 +394,17 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max
 		if (pass)
 			return max;
 		busnr = (buses >> 8) & 0xFF;
+
+		/*
+		 * If we already got to this bus through a different bridge,
+		 * ignore it.  This can happen with the i450NX chipset.
+		 */
+		if (pci_find_bus(pci_domain_nr(bus), busnr)) {
+			printk(KERN_INFO "PCI: Bus %04x:%02x already known\n",
+					pci_domain_nr(bus), busnr);
+			return max;
+		}
+
 		child = pci_alloc_child_bus(bus, dev, busnr);
 		if (!child)
 			return max;
@@ -490,6 +520,7 @@ static int pci_setup_device(struct pci_dev * dev)
 
 	/* Early fixups, before probing the BARs */
 	pci_fixup_device(pci_fixup_early, dev);
+	class = dev->class >> 8;
 
 	switch (dev->hdr_type) {		    /* header type */
 	case PCI_HEADER_TYPE_NORMAL:		    /* standard header */
@@ -602,9 +633,7 @@ pci_scan_device(struct pci_bus *bus, int devfn)
 	struct pci_dev *dev;
 	u32 l;
 	u8 hdr_type;
-
-	if (pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type))
-		return NULL;
+	int delay = 1;
 
 	if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l))
 		return NULL;
@@ -614,6 +643,25 @@ pci_scan_device(struct pci_bus *bus, int devfn)
 	    l == 0x0000ffff || l == 0xffff0000)
 		return NULL;
 
+	/* Configuration request Retry Status */
+	while (l == 0xffff0001) {
+		msleep(delay);
+		delay *= 2;
+		if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l))
+			return NULL;
+		/* Card hasn't responded in 60 seconds?  Must be stuck. */
+		if (delay > 60 * 1000) {
+			printk(KERN_WARNING "Device %04x:%02x:%02x.%d not "
+					"responding\n", pci_domain_nr(bus),
+					bus->number, PCI_SLOT(devfn),
+					PCI_FUNC(devfn));
+			return NULL;
+		}
+	}
+
+	if (pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type))
+		return NULL;
+
 	dev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL);
 	if (!dev)
 		return NULL;
@@ -785,7 +833,7 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, int bus,
 
 	if (pci_find_bus(pci_domain_nr(b), bus)) {
 		/* If we already got to this bus through a different bridge, ignore it */
-		DBG("PCI: Bus %02x already known\n", bus);
+		DBG("PCI: Bus %04:%02x already known\n", pci_domain_nr(b), bus);
 		goto err_out;
 	}
 	list_add_tail(&b->node, &pci_root_buses);

drivers/pci/quirks.c

@@ -1237,6 +1237,8 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
 	}
 }
 
+extern struct pci_fixup __start_pci_fixups_early[];
+extern struct pci_fixup __end_pci_fixups_early[];
 extern struct pci_fixup __start_pci_fixups_header[];
 extern struct pci_fixup __end_pci_fixups_header[];
 extern struct pci_fixup __start_pci_fixups_final[];
@@ -1250,6 +1252,11 @@ void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
 	struct pci_fixup *start, *end;
 
 	switch(pass) {
+	case pci_fixup_early:
+		start = __start_pci_fixups_early;
+		end = __end_pci_fixups_early;
+		break;
+
 	case pci_fixup_header:
 		start = __start_pci_fixups_header;
 		end = __end_pci_fixups_header;

drivers/pci/setup-bus.c

@@ -57,8 +57,13 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		u16 class = dev->class >> 8;
 
-		if (class == PCI_CLASS_DISPLAY_VGA
-				|| class == PCI_CLASS_NOT_DEFINED_VGA)
+		/* Don't touch classless devices and host bridges.  */
+		if (class == PCI_CLASS_NOT_DEFINED ||
+		    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);

drivers/pci/setup-irq.c

@@ -53,7 +53,8 @@ pdev_fixup_irq(struct pci_dev *dev,
 		irq = 0;
 	dev->irq = irq;
 
-	DBGC((KERN_ERR "PCI fixup irq: (%s) got %d\n", dev->dev.name, dev->irq));
+	DBGC((KERN_ERR "PCI fixup irq: (%s) got %d\n", 
+		dev->dev.kobj.name, dev->irq));
 
 	/* Always tell the device, so the driver knows what is
 	   the real IRQ to use; the device does not use it. */

include/linux/pci.h

@@ -364,6 +364,20 @@
 #define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
 #define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
 #define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
+#define PCI_EXP_LNKCAP		12	/* Link Capabilities */
+#define PCI_EXP_LNKCTL		16	/* Link Control */
+#define PCI_EXP_LNKSTA		18	/* Link Status */
+#define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
+#define PCI_EXP_SLTCTL		24	/* Slot Control */
+#define PCI_EXP_SLTSTA		26	/* Slot Status */
+#define PCI_EXP_RTCTL		28	/* Root Control */
+#define  PCI_EXP_RTCTL_SECEE	0x01	/* System Error on Correctable Error */
+#define  PCI_EXP_RTCTL_SENFEE	0x02	/* System Error on Non-Fatal Error */
+#define  PCI_EXP_RTCTL_SEFEE	0x04	/* System Error on Fatal Error */
+#define  PCI_EXP_RTCTL_PMEIE	0x08	/* PME Interrupt Enable */
+#define  PCI_EXP_RTCTL_CRSSVE	0x10	/* CRS Software Visibility Enable */
+#define PCI_EXP_RTCAP		30	/* Root Capabilities */
+#define PCI_EXP_RTSTA		32	/* Root Status */
 
 /* Extended Capabilities (PCI-X 2.0 and Express) */
 #define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff)
@@ -480,6 +494,14 @@ enum pci_mmap_state {
 #define DEVICE_COUNT_COMPATIBLE	4
 #define DEVICE_COUNT_RESOURCE	12
 
+typedef int __bitwise pci_power_t;
+
+#define PCI_D0	((pci_power_t __force) 0)
+#define PCI_D1	((pci_power_t __force) 1)
+#define PCI_D2	((pci_power_t __force) 2)
+#define PCI_D3hot	((pci_power_t __force) 3)
+#define PCI_D3cold	((pci_power_t __force) 4)
+
 /*
  * The pci_dev structure is used to describe PCI devices.
  */
@@ -508,7 +530,7 @@ struct pci_dev {
 					   this if your device has broken DMA
 					   or supports 64-bit transfers.  */
 
-	u32             current_state;  /* Current operating state. In ACPI-speak,
+	pci_power_t     current_state;  /* Current operating state. In ACPI-speak,
 					   this is D0-D3, D0 being fully functional,
 					   and D3 being off. */
 
@@ -797,8 +819,9 @@ void pci_remove_rom(struct pci_dev *pdev);
 /* Power management related routines */
 int pci_save_state(struct pci_dev *dev);
 int pci_restore_state(struct pci_dev *dev);
-int pci_set_power_state(struct pci_dev *dev, int state);
-int pci_enable_wake(struct pci_dev *dev, u32 state, int enable);
+int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
+pci_power_t pci_choose_state(struct pci_dev *dev, u32 state);
+int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
 
 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
 void pci_bus_assign_resources(struct pci_bus *bus);
@@ -925,8 +948,9 @@ static inline const struct pci_device_id *pci_match_device(const struct pci_devi
 /* Power management related routines */
 static inline int pci_save_state(struct pci_dev *dev) { return 0; }
 static inline int pci_restore_state(struct pci_dev *dev) { return 0; }
-static inline int pci_set_power_state(struct pci_dev *dev, int state) { return 0; }
-static inline int pci_enable_wake(struct pci_dev *dev, u32 state, int enable) { return 0; }
+static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; }
+static inline pci_power_t pci_choose_state(struct pci_dev *dev, u32 state) { return PCI_D0; }
+static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }
 
 #define	isa_bridge	((struct pci_dev *)NULL)