Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (74 commits)
  PCI: make msi_free_irqs() to use msix_mask_irq() instead of open coded write
  PCI: Fix the NIU MSI-X problem in a better way
  PCI ASPM: remove get_root_port_link
  PCI ASPM: cleanup pcie_aspm_sanity_check
  PCI ASPM: remove has_switch field
  PCI ASPM: cleanup calc_Lx_latency
  PCI ASPM: cleanup pcie_aspm_get_cap_device
  PCI ASPM: cleanup clkpm checks
  PCI ASPM: cleanup __pcie_aspm_check_state_one
  PCI ASPM: cleanup initialization
  PCI ASPM: cleanup change input argument of aspm functions
  PCI ASPM: cleanup misc in struct pcie_link_state
  PCI ASPM: cleanup clkpm state in struct pcie_link_state
  PCI ASPM: cleanup latency field in struct pcie_link_state
  PCI ASPM: cleanup aspm state field in struct pcie_link_state
  PCI ASPM: fix typo in struct pcie_link_state
  PCI: drivers/pci/slot.c should depend on CONFIG_SYSFS
  PCI: remove redundant __msi_set_enable()
  PCI PM: consistently use type bool for wake enable variable
  x86/ACPI: Correct maximum allowed _CRS returned resources and warn if exceeded
  ...

41 files changed, 2862 insertions, 2116 deletions

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 431f8b43955..7ec7d88c599 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -266,6 +266,7 @@ config ACPI_DEBUG_FUNC_TRACE
 
 config ACPI_PCI_SLOT
 	tristate "PCI slot detection driver"
+	depends on SYSFS
 	default n
 	help
 	  This driver creates entries in /sys/bus/pci/slots/ for all PCI
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index b77ae679427..1ebd6b4c743 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -2,10 +2,11 @@
 # Makefile for the PCI bus specific drivers.
 #
 
-obj-y		+= access.o bus.o probe.o remove.o pci.o quirks.o slot.o \
+obj-y		+= access.o bus.o probe.o remove.o pci.o quirks.o \
 			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
 			irq.o
 obj-$(CONFIG_PROC_FS) += proc.o
+obj-$(CONFIG_SYSFS) += slot.o
 
 # Build PCI Express stuff if needed
 obj-$(CONFIG_PCIEPORTBUS) += pcie/
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 0f370651268..db23200c487 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -66,6 +66,25 @@ EXPORT_SYMBOL(pci_bus_write_config_byte);
 EXPORT_SYMBOL(pci_bus_write_config_word);
 EXPORT_SYMBOL(pci_bus_write_config_dword);
 
+/**
+ * pci_bus_set_ops - Set raw operations of pci bus
+ * @bus:	pci bus struct
+ * @ops:	new raw operations
+ *
+ * Return previous raw operations
+ */
+struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops)
+{
+	struct pci_ops *old_ops;
+	unsigned long flags;
+
+	spin_lock_irqsave(&pci_lock, flags);
+	old_ops = bus->ops;
+	bus->ops = ops;
+	spin_unlock_irqrestore(&pci_lock, flags);
+	return old_ops;
+}
+EXPORT_SYMBOL(pci_bus_set_ops);
 
 /**
  * pci_read_vpd - Read one entry from Vital Product Data
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 97a8194063b..cef28a79103 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -41,9 +41,14 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
 		void *alignf_data)
 {
 	int i, ret = -ENOMEM;
+	resource_size_t max = -1;
 
 	type_mask |= IORESOURCE_IO | IORESOURCE_MEM;
 
+	/* don't allocate too high if the pref mem doesn't support 64bit*/
+	if (!(res->flags & IORESOURCE_MEM_64))
+		max = PCIBIOS_MAX_MEM_32;
+
 	for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
 		struct resource *r = bus->resource[i];
 		if (!r)
@@ -62,7 +67,7 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
 		/* Ok, try it out.. */
 		ret = allocate_resource(r, res, size,
 					r->start ? : min,
-					-1, align,
+					max, align,
 					alignf, alignf_data);
 		if (ret == 0)
 			break;
@@ -201,13 +206,18 @@ void pci_enable_bridges(struct pci_bus *bus)
  *  Walk the given bus, including any bridged devices
  *  on buses under this bus.  Call the provided callback
  *  on each device found.
+ *
+ *  We check the return of @cb each time. If it returns anything
+ *  other than 0, we break out.
+ *
  */
-void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
+void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
 		  void *userdata)
 {
 	struct pci_dev *dev;
 	struct pci_bus *bus;
 	struct list_head *next;
+	int retval;
 
 	bus = top;
 	down_read(&pci_bus_sem);
@@ -231,8 +241,10 @@ void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
 
 		/* Run device routines with the device locked */
 		down(&dev->dev.sem);
-		cb(dev, userdata);
+		retval = cb(dev, userdata);
 		up(&dev->dev.sem);
+		if (retval)
+			break;
 	}
 	up_read(&pci_bus_sem);
 }
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 9aa4fe100a0..66f29bc00be 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -4,7 +4,7 @@
 
 menuconfig HOTPLUG_PCI
 	tristate "Support for PCI Hotplug"
-	depends on PCI && HOTPLUG
+	depends on PCI && HOTPLUG && SYSFS
 	---help---
 	  Say Y here if you have a motherboard with a PCI Hotplug controller.
 	  This allows you to add and remove PCI cards while the machine is
@@ -41,7 +41,7 @@ config HOTPLUG_PCI_FAKE
 
 config HOTPLUG_PCI_COMPAQ
 	tristate "Compaq PCI Hotplug driver"
-	depends on X86 && PCI_BIOS && PCI_LEGACY
+	depends on X86 && PCI_BIOS
 	help
 	  Say Y here if you have a motherboard with a Compaq PCI Hotplug
 	  controller.
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 43c10bd261b..4dd7114964a 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -77,7 +77,6 @@ static int get_latch_status	(struct hotplug_slot *slot, u8 *value);
 static int get_adapter_status	(struct hotplug_slot *slot, u8 *value);
 
 static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
-	.owner			= THIS_MODULE,
 	.enable_slot		= enable_slot,
 	.disable_slot		= disable_slot,
 	.set_attention_status	= set_attention_status,
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index de94f4feef8..a5b9f6ae507 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -72,7 +72,6 @@ static int get_adapter_status(struct hotplug_slot *slot, u8 * value);
 static int get_latch_status(struct hotplug_slot *slot, u8 * value);
 
 static struct hotplug_slot_ops cpci_hotplug_slot_ops = {
-	.owner = THIS_MODULE,
 	.enable_slot = enable_slot,
 	.disable_slot = disable_slot,
 	.set_attention_status = set_attention_status,
diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index afaf8f69f73..53836001d51 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -150,25 +150,25 @@ struct ctrl_reg {			/* offset */
 
 /* offsets to the controller registers based on the above structure layout */
 enum ctrl_offsets {
-	SLOT_RST = 		offsetof(struct ctrl_reg, slot_RST),
+	SLOT_RST =		offsetof(struct ctrl_reg, slot_RST),
 	SLOT_ENABLE =		offsetof(struct ctrl_reg, slot_enable),
 	MISC =			offsetof(struct ctrl_reg, misc),
 	LED_CONTROL =		offsetof(struct ctrl_reg, led_control),
 	INT_INPUT_CLEAR =	offsetof(struct ctrl_reg, int_input_clear),
-	INT_MASK = 		offsetof(struct ctrl_reg, int_mask),
-	CTRL_RESERVED0 = 	offsetof(struct ctrl_reg, reserved0),
+	INT_MASK =		offsetof(struct ctrl_reg, int_mask),
+	CTRL_RESERVED0 =	offsetof(struct ctrl_reg, reserved0),
 	CTRL_RESERVED1 =	offsetof(struct ctrl_reg, reserved1),
 	CTRL_RESERVED2 =	offsetof(struct ctrl_reg, reserved1),
-	GEN_OUTPUT_AB = 	offsetof(struct ctrl_reg, gen_output_AB),
-	NON_INT_INPUT = 	offsetof(struct ctrl_reg, non_int_input),
+	GEN_OUTPUT_AB =		offsetof(struct ctrl_reg, gen_output_AB),
+	NON_INT_INPUT =		offsetof(struct ctrl_reg, non_int_input),
 	CTRL_RESERVED3 =	offsetof(struct ctrl_reg, reserved3),
 	CTRL_RESERVED4 =	offsetof(struct ctrl_reg, reserved4),
 	CTRL_RESERVED5 =	offsetof(struct ctrl_reg, reserved5),
 	CTRL_RESERVED6 =	offsetof(struct ctrl_reg, reserved6),
 	CTRL_RESERVED7 =	offsetof(struct ctrl_reg, reserved7),
 	CTRL_RESERVED8 =	offsetof(struct ctrl_reg, reserved8),
-	SLOT_MASK = 		offsetof(struct ctrl_reg, slot_mask),
-	CTRL_RESERVED9 = 	offsetof(struct ctrl_reg, reserved9),
+	SLOT_MASK =		offsetof(struct ctrl_reg, slot_mask),
+	CTRL_RESERVED9 =	offsetof(struct ctrl_reg, reserved9),
 	CTRL_RESERVED10 =	offsetof(struct ctrl_reg, reserved10),
 	CTRL_RESERVED11 =	offsetof(struct ctrl_reg, reserved11),
 	SLOT_SERR =		offsetof(struct ctrl_reg, slot_SERR),
@@ -190,7 +190,9 @@ struct hrt {
 	u32 reserved2;
 } __attribute__ ((packed));
 
-/* offsets to the hotplug resource table registers based on the above structure layout */
+/* offsets to the hotplug resource table registers based on the above
+ * structure layout
+ */
 enum hrt_offsets {
 	SIG0 =			offsetof(struct hrt, sig0),
 	SIG1 =			offsetof(struct hrt, sig1),
@@ -217,18 +219,20 @@ struct slot_rt {
 	u16 pre_mem_length;
 } __attribute__ ((packed));
 
-/* offsets to the hotplug slot resource table registers based on the above structure layout */
+/* offsets to the hotplug slot resource table registers based on the above
+ * structure layout
+ */
 enum slot_rt_offsets {
 	DEV_FUNC =		offsetof(struct slot_rt, dev_func),
-	PRIMARY_BUS = 		offsetof(struct slot_rt, primary_bus),
-	SECONDARY_BUS = 	offsetof(struct slot_rt, secondary_bus),
-	MAX_BUS = 		offsetof(struct slot_rt, max_bus),
-	IO_BASE = 		offsetof(struct slot_rt, io_base),
-	IO_LENGTH = 		offsetof(struct slot_rt, io_length),
-	MEM_BASE = 		offsetof(struct slot_rt, mem_base),
-	MEM_LENGTH = 		offsetof(struct slot_rt, mem_length),
-	PRE_MEM_BASE = 		offsetof(struct slot_rt, pre_mem_base),
-	PRE_MEM_LENGTH = 	offsetof(struct slot_rt, pre_mem_length),
+	PRIMARY_BUS =		offsetof(struct slot_rt, primary_bus),
+	SECONDARY_BUS =		offsetof(struct slot_rt, secondary_bus),
+	MAX_BUS =		offsetof(struct slot_rt, max_bus),
+	IO_BASE =		offsetof(struct slot_rt, io_base),
+	IO_LENGTH =		offsetof(struct slot_rt, io_length),
+	MEM_BASE =		offsetof(struct slot_rt, mem_base),
+	MEM_LENGTH =		offsetof(struct slot_rt, mem_length),
+	PRE_MEM_BASE =		offsetof(struct slot_rt, pre_mem_base),
+	PRE_MEM_LENGTH =	offsetof(struct slot_rt, pre_mem_length),
 };
 
 struct pci_func {
@@ -286,8 +290,8 @@ struct event_info {
 struct controller {
 	struct controller *next;
 	u32 ctrl_int_comp;
-	struct mutex crit_sect;		/* critical section mutex */
-	void __iomem *hpc_reg;		/* cookie for our pci controller location */
+	struct mutex crit_sect;	/* critical section mutex */
+	void __iomem *hpc_reg;	/* cookie for our pci controller location */
 	struct pci_resource *mem_head;
 	struct pci_resource *p_mem_head;
 	struct pci_resource *io_head;
@@ -299,7 +303,7 @@ struct controller {
 	u8 next_event;
 	u8 interrupt;
 	u8 cfgspc_irq;
-	u8 bus;				/* bus number for the pci hotplug controller */
+	u8 bus;			/* bus number for the pci hotplug controller */
 	u8 rev;
 	u8 slot_device_offset;
 	u8 first_slot;
@@ -401,46 +405,57 @@ struct resource_lists {
 
 
 /* debugfs functions for the hotplug controller info */
-extern void cpqhp_initialize_debugfs		(void);
-extern void cpqhp_shutdown_debugfs		(void);
-extern void cpqhp_create_debugfs_files		(struct controller *ctrl);
-extern void cpqhp_remove_debugfs_files		(struct controller *ctrl);
+extern void cpqhp_initialize_debugfs(void);
+extern void cpqhp_shutdown_debugfs(void);
+extern void cpqhp_create_debugfs_files(struct controller *ctrl);
+extern void cpqhp_remove_debugfs_files(struct controller *ctrl);
 
 /* controller functions */
-extern void	cpqhp_pushbutton_thread		(unsigned long event_pointer);
-extern irqreturn_t cpqhp_ctrl_intr		(int IRQ, void *data);
-extern int	cpqhp_find_available_resources	(struct controller *ctrl, void __iomem *rom_start);
-extern int	cpqhp_event_start_thread	(void);
-extern void	cpqhp_event_stop_thread		(void);
-extern struct pci_func *cpqhp_slot_create	(unsigned char busnumber);
-extern struct pci_func *cpqhp_slot_find		(unsigned char bus, unsigned char device, unsigned char index);
-extern int	cpqhp_process_SI		(struct controller *ctrl, struct pci_func *func);
-extern int	cpqhp_process_SS		(struct controller *ctrl, struct pci_func *func);
-extern int	cpqhp_hardware_test		(struct controller *ctrl, int test_num);
+extern void cpqhp_pushbutton_thread(unsigned long event_pointer);
+extern irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data);
+extern int cpqhp_find_available_resources(struct controller *ctrl,
+					  void __iomem *rom_start);
+extern int cpqhp_event_start_thread(void);
+extern void cpqhp_event_stop_thread(void);
+extern struct pci_func *cpqhp_slot_create(unsigned char busnumber);
+extern struct pci_func *cpqhp_slot_find(unsigned char bus, unsigned char device,
+					unsigned char index);
+extern int cpqhp_process_SI(struct controller *ctrl, struct pci_func *func);
+extern int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func);
+extern int cpqhp_hardware_test(struct controller *ctrl, int test_num);
 
 /* resource functions */
 extern int	cpqhp_resource_sort_and_combine	(struct pci_resource **head);
 
 /* pci functions */
-extern int	cpqhp_set_irq			(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
-extern int	cpqhp_get_bus_dev		(struct controller *ctrl, u8 *bus_num, u8 *dev_num, u8 slot);
-extern int	cpqhp_save_config		(struct controller *ctrl, int busnumber, int is_hot_plug);
-extern int	cpqhp_save_base_addr_length	(struct controller *ctrl, struct pci_func * func);
-extern int	cpqhp_save_used_resources	(struct controller *ctrl, struct pci_func * func);
-extern int	cpqhp_configure_board		(struct controller *ctrl, struct pci_func * func);
-extern int	cpqhp_save_slot_config		(struct controller *ctrl, struct pci_func * new_slot);
-extern int	cpqhp_valid_replace		(struct controller *ctrl, struct pci_func * func);
-extern void	cpqhp_destroy_board_resources	(struct pci_func * func);
-extern int	cpqhp_return_board_resources	(struct pci_func * func, struct resource_lists * resources);
-extern void	cpqhp_destroy_resource_list	(struct resource_lists * resources);
-extern int	cpqhp_configure_device		(struct controller* ctrl, struct pci_func* func);
-extern int	cpqhp_unconfigure_device	(struct pci_func* func);
+extern int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
+extern int cpqhp_get_bus_dev(struct controller *ctrl, u8 *bus_num, u8 *dev_num,
+			     u8 slot);
+extern int cpqhp_save_config(struct controller *ctrl, int busnumber,
+			     int is_hot_plug);
+extern int cpqhp_save_base_addr_length(struct controller *ctrl,
+				       struct pci_func *func);
+extern int cpqhp_save_used_resources(struct controller *ctrl,
+				     struct pci_func *func);
+extern int cpqhp_configure_board(struct controller *ctrl,
+				 struct pci_func *func);
+extern int cpqhp_save_slot_config(struct controller *ctrl,
+				  struct pci_func *new_slot);
+extern int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func);
+extern void cpqhp_destroy_board_resources(struct pci_func *func);
+extern int cpqhp_return_board_resources	(struct pci_func *func,
+					 struct resource_lists *resources);
+extern void cpqhp_destroy_resource_list(struct resource_lists *resources);
+extern int cpqhp_configure_device(struct controller *ctrl,
+				  struct pci_func *func);
+extern int cpqhp_unconfigure_device(struct pci_func *func);
 
 /* Global variables */
 extern int cpqhp_debug;
 extern int cpqhp_legacy_mode;
 extern struct controller *cpqhp_ctrl_list;
 extern struct pci_func *cpqhp_slot_list[256];
+extern struct irq_routing_table *cpqhp_routing_table;
 
 /* these can be gotten rid of, but for debugging they are purty */
 extern u8 cpqhp_nic_irq;
@@ -449,7 +464,7 @@ extern u8 cpqhp_disk_irq;
 
 /* inline functions */
 
-static inline char *slot_name(struct slot *slot)
+static inline const char *slot_name(struct slot *slot)
 {
 	return hotplug_slot_name(slot->hotplug_slot);
 }
@@ -458,9 +473,9 @@ static inline char *slot_name(struct slot *slot)
  * return_resource
  *
  * Puts node back in the resource list pointed to by head
- *
  */
-static inline void return_resource(struct pci_resource **head, struct pci_resource *node)
+static inline void return_resource(struct pci_resource **head,
+				   struct pci_resource *node)
 {
 	if (!node || !head)
 		return;
@@ -471,7 +486,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
 static inline void set_SOGO(struct controller *ctrl)
 {
 	u16 misc;
-	
+
 	misc = readw(ctrl->hpc_reg + MISC);
 	misc = (misc | 0x0001) & 0xFFFB;
 	writew(misc, ctrl->hpc_reg + MISC);
@@ -481,7 +496,7 @@ static inline void set_SOGO(struct controller *ctrl)
 static inline void amber_LED_on(struct controller *ctrl, u8 slot)
 {
 	u32 led_control;
-	
+
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control |= (0x01010000L << slot);
 	writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -491,7 +506,7 @@ static inline void amber_LED_on(struct controller *ctrl, u8 slot)
 static inline void amber_LED_off(struct controller *ctrl, u8 slot)
 {
 	u32 led_control;
-	
+
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control &= ~(0x01010000L << slot);
 	writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -504,7 +519,7 @@ static inline int read_amber_LED(struct controller *ctrl, u8 slot)
 
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control &= (0x01010000L << slot);
-	
+
 	return led_control ? 1 : 0;
 }
 
@@ -512,7 +527,7 @@ static inline int read_amber_LED(struct controller *ctrl, u8 slot)
 static inline void green_LED_on(struct controller *ctrl, u8 slot)
 {
 	u32 led_control;
-	
+
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control |= 0x0101L << slot;
 	writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -521,7 +536,7 @@ static inline void green_LED_on(struct controller *ctrl, u8 slot)
 static inline void green_LED_off(struct controller *ctrl, u8 slot)
 {
 	u32 led_control;
-	
+
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control &= ~(0x0101L << slot);
 	writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -531,7 +546,7 @@ static inline void green_LED_off(struct controller *ctrl, u8 slot)
 static inline void green_LED_blink(struct controller *ctrl, u8 slot)
 {
 	u32 led_control;
-	
+
 	led_control = readl(ctrl->hpc_reg + LED_CONTROL);
 	led_control &= ~(0x0101L << slot);
 	led_control |= (0x0001L << slot);
@@ -575,22 +590,21 @@ static inline u8 read_slot_enable(struct controller *ctrl)
 }
 
 
-/*
+/**
  * get_controller_speed - find the current frequency/mode of controller.
  *
  * @ctrl: controller to get frequency/mode for.
  *
  * Returns controller speed.
- *
  */
 static inline u8 get_controller_speed(struct controller *ctrl)
 {
 	u8 curr_freq;
- 	u16 misc;
- 	
+	u16 misc;
+
 	if (ctrl->pcix_support) {
 		curr_freq = readb(ctrl->hpc_reg + NEXT_CURR_FREQ);
-		if ((curr_freq & 0xB0) == 0xB0) 
+		if ((curr_freq & 0xB0) == 0xB0)
 			return PCI_SPEED_133MHz_PCIX;
 		if ((curr_freq & 0xA0) == 0xA0)
 			return PCI_SPEED_100MHz_PCIX;
@@ -602,19 +616,18 @@ static inline u8 get_controller_speed(struct controller *ctrl)
 		return PCI_SPEED_33MHz;
 	}
 
- 	misc = readw(ctrl->hpc_reg + MISC);
- 	return (misc & 0x0800) ? PCI_SPEED_66MHz : PCI_SPEED_33MHz;
+	misc = readw(ctrl->hpc_reg + MISC);
+	return (misc & 0x0800) ? PCI_SPEED_66MHz : PCI_SPEED_33MHz;
 }
- 
 
-/*
+
+/**
  * get_adapter_speed - find the max supported frequency/mode of adapter.
  *
  * @ctrl: hotplug controller.
  * @hp_slot: hotplug slot where adapter is installed.
  *
  * Returns adapter speed.
- *
  */
 static inline u8 get_adapter_speed(struct controller *ctrl, u8 hp_slot)
 {
@@ -672,7 +685,8 @@ static inline int get_slot_enabled(struct controller *ctrl, struct slot *slot)
 }
 
 
-static inline int cpq_get_latch_status(struct controller *ctrl, struct slot *slot)
+static inline int cpq_get_latch_status(struct controller *ctrl,
+				       struct slot *slot)
 {
 	u32 status;
 	u8 hp_slot;
@@ -687,7 +701,8 @@ static inline int cpq_get_latch_status(struct controller *ctrl, struct slot *slo
 }
 
 
-static inline int get_presence_status(struct controller *ctrl, struct slot *slot)
+static inline int get_presence_status(struct controller *ctrl,
+				      struct slot *slot)
 {
 	int presence_save = 0;
 	u8 hp_slot;
@@ -696,7 +711,8 @@ static inline int get_presence_status(struct controller *ctrl, struct slot *slot
 	hp_slot = slot->device - ctrl->slot_device_offset;
 
 	tempdword = readl(ctrl->hpc_reg + INT_INPUT_CLEAR);
-	presence_save = (int) ((((~tempdword) >> 23) | ((~tempdword) >> 15)) >> hp_slot) & 0x02;
+	presence_save = (int) ((((~tempdword) >> 23) | ((~tempdword) >> 15))
+				>> hp_slot) & 0x02;
 
 	return presence_save;
 }
@@ -718,5 +734,12 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl)
 	return retval;
 }
 
-#endif
+#include <asm/pci_x86.h>
+static inline int cpqhp_routing_table_length(void)
+{
+	BUG_ON(cpqhp_routing_table == NULL);
+	return ((cpqhp_routing_table->size - sizeof(struct irq_routing_table)) /
+		sizeof(struct irq_info));
+}
 
+#endif
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index c2e1bcbb28a..075b4f4b6e0 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -25,8 +25,7 @@
  * Send feedback to <greg@kroah.com>
  *
  * Jan 12, 2003 -	Added 66/100/133MHz PCI-X support,
- * 			Torben Mathiasen <torben.mathiasen@hp.com>
- *
+ *			Torben Mathiasen <torben.mathiasen@hp.com>
  */
 
 #include <linux/module.h>
@@ -45,7 +44,6 @@
 
 #include "cpqphp.h"
 #include "cpqphp_nvram.h"
-#include <asm/pci_x86.h>
 
 
 /* Global variables */
@@ -53,6 +51,7 @@ int cpqhp_debug;
 int cpqhp_legacy_mode;
 struct controller *cpqhp_ctrl_list;	/* = NULL */
 struct pci_func *cpqhp_slot_list[256];
+struct irq_routing_table *cpqhp_routing_table;
 
 /* local variables */
 static void __iomem *smbios_table;
@@ -78,33 +77,6 @@ MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
 
 #define CPQHPC_MODULE_MINOR 208
 
-static int one_time_init	(void);
-static int set_attention_status	(struct hotplug_slot *slot, u8 value);
-static int process_SI		(struct hotplug_slot *slot);
-static int process_SS		(struct hotplug_slot *slot);
-static int hardware_test	(struct hotplug_slot *slot, u32 value);
-static int get_power_status	(struct hotplug_slot *slot, u8 *value);
-static int get_attention_status	(struct hotplug_slot *slot, u8 *value);
-static int get_latch_status	(struct hotplug_slot *slot, u8 *value);
-static int get_adapter_status	(struct hotplug_slot *slot, u8 *value);
-static int get_max_bus_speed	(struct hotplug_slot *slot, enum pci_bus_speed *value);
-static int get_cur_bus_speed	(struct hotplug_slot *slot, enum pci_bus_speed *value);
-
-static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = {
-	.owner =		THIS_MODULE,
-	.set_attention_status =	set_attention_status,
-	.enable_slot =		process_SI,
-	.disable_slot =		process_SS,
-	.hardware_test =	hardware_test,
-	.get_power_status =	get_power_status,
-	.get_attention_status =	get_attention_status,
-	.get_latch_status =	get_latch_status,
-	.get_adapter_status =	get_adapter_status,
-  	.get_max_bus_speed =	get_max_bus_speed,
-  	.get_cur_bus_speed =	get_cur_bus_speed,
-};
-
-
 static inline int is_slot64bit(struct slot *slot)
 {
 	return (readb(slot->p_sm_slot + SMBIOS_SLOT_WIDTH) == 0x06) ? 1 : 0;
@@ -144,7 +116,7 @@ static void __iomem * detect_SMBIOS_pointer(void __iomem *begin, void __iomem *e
 			break;
 		}
 	}
-	
+
 	if (!status)
 		fp = NULL;
 
@@ -171,7 +143,7 @@ static int init_SERR(struct controller * ctrl)
 	tempdword = ctrl->first_slot;
 
 	number_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0F;
-	// Loop through slots
+	/* Loop through slots */
 	while (number_of_slots) {
 		physical_slot = tempdword;
 		writeb(0, ctrl->hpc_reg + SLOT_SERR);
@@ -182,41 +154,42 @@ static int init_SERR(struct controller * ctrl)
 	return 0;
 }
 
-
-/* nice debugging output */
-static int pci_print_IRQ_route (void)
+static int init_cpqhp_routing_table(void)
 {
-	struct irq_routing_table *routing_table;
 	int len;
-	int loop;
-
-	u8 tbus, tdevice, tslot;
 
-	routing_table = pcibios_get_irq_routing_table();
-	if (routing_table == NULL) {
-		err("No BIOS Routing Table??? Not good\n");
+	cpqhp_routing_table = pcibios_get_irq_routing_table();
+	if (cpqhp_routing_table == NULL)
 		return -ENOMEM;
-	}
 
-	len = (routing_table->size - sizeof(struct irq_routing_table)) /
-			sizeof(struct irq_info);
-	// Make sure I got at least one entry
+	len = cpqhp_routing_table_length();
 	if (len == 0) {
-		kfree(routing_table);
+		kfree(cpqhp_routing_table);
+		cpqhp_routing_table = NULL;
 		return -1;
 	}
 
-	dbg("bus dev func slot\n");
+	return 0;
+}
+
+/* nice debugging output */
+static void pci_print_IRQ_route(void)
+{
+	int len;
+	int loop;
+	u8 tbus, tdevice, tslot;
+
+	len = cpqhp_routing_table_length();
 
+	dbg("bus dev func slot\n");
 	for (loop = 0; loop < len; ++loop) {
-		tbus = routing_table->slots[loop].bus;
-		tdevice = routing_table->slots[loop].devfn;
-		tslot = routing_table->slots[loop].slot;
+		tbus = cpqhp_routing_table->slots[loop].bus;
+		tdevice =