Merge branch 'linus' into cpus4096

Conflicts:

	drivers/acpi/processor_throttling.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

15 files changed, 241 insertions, 57 deletions

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 5112c84f5421..da140611bb57 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -8,8 +8,7 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
 
 ifdef CONFIG_FTRACE
 # Do not profile debug utilities
-CFLAGS_REMOVE_tsc_64.o = -pg
-CFLAGS_REMOVE_tsc_32.o = -pg
+CFLAGS_REMOVE_tsc.o = -pg
 CFLAGS_REMOVE_rtc.o = -pg
 endif
 
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index de2d2e4ebad9..7c074eec39fb 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -56,6 +56,12 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
         if (cpu_has(c, X86_FEATURE_ACPI))
                 buf[2] |= ACPI_PDC_T_FFH;
 
+        /*
+         * If mwait/monitor is unsupported, C2/C3_FFH will be disabled
+         */
+        if (!cpu_has(c, X86_FEATURE_MWAIT))
+                buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
+
         obj->type = ACPI_TYPE_BUFFER;
         obj->buffer.length = 12;
         obj->buffer.pointer = (u8 *) buf;
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 793ad2045f58..868de3d5c39d 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -158,6 +158,8 @@ static int __init acpi_sleep_setup(char *str)
                         acpi_realmode_flags |= 2;
                 if (strncmp(str, "s3_beep", 7) == 0)
                         acpi_realmode_flags |= 4;
+                if (strncmp(str, "old_ordering", 12) == 0)
+                        acpi_old_suspend_ordering();
                 str = strchr(str, ',');
                 if (str != NULL)
                         str += strspn(str, ", \t");
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 75cb5da4ea0a..bf9b441331e9 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -1213,9 +1213,9 @@ static int suspend(int vetoable)
         if (err != APM_SUCCESS)
                 apm_error("suspend", err);
         err = (err == APM_SUCCESS) ? 0 : -EIO;
-        device_power_up();
+        device_power_up(PMSG_RESUME);
         local_irq_enable();
-        device_resume();
+        device_resume(PMSG_RESUME);
         queue_event(APM_NORMAL_RESUME, NULL);
         spin_lock(&user_list_lock);
         for (as = user_list; as != NULL; as = as->next) {
@@ -1240,7 +1240,7 @@ static void standby(void)
                 apm_error("standby", err);
 
         local_irq_disable();
-        device_power_up();
+        device_power_up(PMSG_RESUME);
         local_irq_enable();
 }
 
@@ -1326,7 +1326,7 @@ static void check_events(void)
                         ignore_bounce = 1;
                         if ((event != APM_NORMAL_RESUME)
                             || (ignore_normal_resume == 0)) {
-                                device_resume();
+                                device_resume(PMSG_RESUME);
                                 queue_event(event, NULL);
                         }
                         ignore_normal_resume = 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index a4665f37cfc5..a0e11c0cc872 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -120,7 +120,18 @@ static struct chipset early_qrk[] __initdata = {
         {}
 };
 
-static void __init check_dev_quirk(int num, int slot, int func)
+/**
+ * check_dev_quirk - apply early quirks to a given PCI device
+ * @num: bus number
+ * @slot: slot number
+ * @func: PCI function
+ *
+ * Check the vendor & device ID against the early quirks table.
+ *
+ * If the device is single function, let early_quirks() know so we don't
+ * poke at this device again.
+ */
+static int __init check_dev_quirk(int num, int slot, int func)
 {
         u16 class;
         u16 vendor;
@@ -131,7 +142,7 @@ static void __init check_dev_quirk(int num, int slot, int func)
         class = read_pci_config_16(num, slot, func, PCI_CLASS_DEVICE);
 
         if (class == 0xffff)
-                return;
+                return -1; /* no class, treat as single function */
 
         vendor = read_pci_config_16(num, slot, func, PCI_VENDOR_ID);
 
@@ -154,7 +165,9 @@ static void __init check_dev_quirk(int num, int slot, int func)
         type = read_pci_config_byte(num, slot, func,
                                     PCI_HEADER_TYPE);
         if (!(type & 0x80))
-                return;
+                return -1;
+
+        return 0;
 }
 
 void __init early_quirks(void)
@@ -167,6 +180,9 @@ void __init early_quirks(void)
         /* Poor man's PCI discovery */
         for (num = 0; num < 32; num++)
                 for (slot = 0; slot < 32; slot++)
-                        for (func = 0; func < 8; func++)
-                                check_dev_quirk(num, slot, func);
+                        for (func = 0; func < 8; func++) {
+                                /* Only probe function 0 on single fn devices */
+                                if (check_dev_quirk(num, slot, func))
+                                        break;
+                        }
 }
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 5b20a5e7ac28..a23e8233b9ac 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -96,7 +96,7 @@ int __init get_memcfg_numaq(void)
 void __init numaq_tsc_disable(void)
 {
         if (!found_numaq)
-                return -1;
+                return;
 
         if (num_online_nodes() > 1) {
                 printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 7dceea947232..4d629c62f4f8 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -7,6 +7,12 @@
 #include <linux/module.h>
 #include <linux/pm.h>
 #include <linux/clockchips.h>
+#include <asm/system.h>
+
+unsigned long idle_halt;
+EXPORT_SYMBOL(idle_halt);
+unsigned long idle_nomwait;
+EXPORT_SYMBOL(idle_nomwait);
 
 struct kmem_cache *task_xstate_cachep;
 
@@ -325,7 +331,27 @@ static int __init idle_setup(char *str)
                 pm_idle = poll_idle;
         } else if (!strcmp(str, "mwait"))
                 force_mwait = 1;
-        else
+        else if (!strcmp(str, "halt")) {
+                /*
+                 * When the boot option of idle=halt is added, halt is
+                 * forced to be used for CPU idle. In such case CPU C2/C3
+                 * won't be used again.
+                 * To continue to load the CPU idle driver, don't touch
+                 * the boot_option_idle_override.
+                 */
+                pm_idle = default_idle;
+                idle_halt = 1;
+                return 0;
+        } else if (!strcmp(str, "nomwait")) {
+                /*
+                 * If the boot option of "idle=nomwait" is added,
+                 * it means that mwait will be disabled for CPU C2/C3
+                 * states. In such case it won't touch the variable
+                 * of boot_option_idle_override.
+                 */
+                idle_nomwait = 1;
+                return 0;
+        } else
                 return -1;
 
         boot_option_idle_override = 1;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 36c540d4ac4b..531b55b8e81a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -684,6 +684,11 @@ void __init setup_arch(char **cmdline_p)
                 clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
         }
 
+#ifdef CONFIG_PCI
+        if (pci_early_dump_regs)
+                early_dump_pci_devices();
+#endif
+
         finish_e820_parsing();
 
 #ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 3c36f92160c9..7603c0553909 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -358,6 +358,7 @@ static cycle_t read_tsc(void)
                 ret : clocksource_tsc.cycle_last;
 }
 
+#ifdef CONFIG_X86_64
 static cycle_t __vsyscall_fn vread_tsc(void)
 {
         cycle_t ret = (cycle_t)vget_cycles();
@@ -365,6 +366,7 @@ static cycle_t __vsyscall_fn vread_tsc(void)
         return ret >= __vsyscall_gtod_data.clock.cycle_last ?
                 ret : __vsyscall_gtod_data.clock.cycle_last;
 }
+#endif
 
 static struct clocksource clocksource_tsc = {
         .name                   = "tsc",
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 27de2435e008..306049edd553 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start,
                 unsigned long pud_phys;
                 pud_t *pud;
 
-                next = start + PGDIR_SIZE;
+                next = (start + PGDIR_SIZE) & PGDIR_MASK;
                 if (next > end)
                         next = end;
 
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index f41d67f8f831..1eb2973a301c 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -156,10 +156,9 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *memory_affinity)
 
         num_memory_chunks++;
 
-        printk(KERN_DEBUG "Memory range %08lx to %08lx (type %x)"
+        printk(KERN_DEBUG "Memory range %08lx to %08lx"
                           " in proximity domain %02x %s\n",
                 start_pfn, end_pfn,
-                memory_affinity->memory_type,
                 pxm,
                 ((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
                  "enabled and removable" : "enabled" ) );
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 20b9f59f95df..b67732bbb85a 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -20,6 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
                                 PCI_PROBE_MMCONF;
 
+unsigned int pci_early_dump_regs;
 static int pci_bf_sort;
 int pci_routeirq;
 int pcibios_last_bus = -1;
@@ -31,7 +32,7 @@ struct pci_raw_ops *raw_pci_ext_ops;
 int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                 int reg, int len, u32 *val)
 {
-        if (reg < 256 && raw_pci_ops)
+        if (domain == 0 && reg < 256 && raw_pci_ops)
                 return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
         if (raw_pci_ext_ops)
                 return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
@@ -41,7 +42,7 @@ int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
 int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                 int reg, int len, u32 val)
 {
-        if (reg < 256 && raw_pci_ops)
+        if (domain == 0 && reg < 256 && raw_pci_ops)
                 return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
         if (raw_pci_ext_ops)
                 return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
@@ -121,6 +122,21 @@ void __init dmi_check_skip_isa_align(void)
         dmi_check_system(can_skip_pciprobe_dmi_table);
 }
 
+static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+{
+        struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
+
+        if (pci_probe & PCI_NOASSIGN_ROMS) {
+                if (rom_r->parent)
+                        return;
+                if (rom_r->start) {
+                        /* we deal with BIOS assigned ROM later */
+                        return;
+                }
+                rom_r->start = rom_r->end = rom_r->flags = 0;
+        }
+}
+
 /*
  *  Called after each bus is probed, but before its children
  *  are examined.
@@ -128,7 +144,11 @@ void __init dmi_check_skip_isa_align(void)
 
 void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
+        struct pci_dev *dev;
+
         pci_read_bridge_bases(b);
+        list_for_each_entry(dev, &b->devices, bus_list)
+                pcibios_fixup_device_resources(dev);
 }
 
 /*
@@ -481,12 +501,18 @@ char * __devinit  pcibios_setup(char *str)
         else if (!strcmp(str, "rom")) {
                 pci_probe |= PCI_ASSIGN_ROMS;
                 return NULL;
+        } else if (!strcmp(str, "norom")) {
+                pci_probe |= PCI_NOASSIGN_ROMS;
+                return NULL;
         } else if (!strcmp(str, "assign-busses")) {
                 pci_probe |= PCI_ASSIGN_ALL_BUSSES;
                 return NULL;
         } else if (!strcmp(str, "use_crs")) {
                 pci_probe |= PCI_USE__CRS;
                 return NULL;
+        } else if (!strcmp(str, "earlydump")) {
+                pci_early_dump_regs = 1;
+                return NULL;
         } else if (!strcmp(str, "routeirq")) {
                 pci_routeirq = 1;
                 return NULL;
diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c
index 42df4b6606df..858dbe3399f9 100644
--- a/arch/x86/pci/early.c
+++ b/arch/x86/pci/early.c
@@ -49,7 +49,14 @@ void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val)
 {
         PDprintk("%x writing to %x: %x\n", slot, offset, val);
         outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
-        outb(val, 0xcfc);
+        outb(val, 0xcfc + (offset&3));
+}
+
+void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val)
+{
+        PDprintk("%x writing to %x: %x\n", slot, offset, val);
+        outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+        outw(val, 0xcfc + (offset&2));
 }
 
 int early_pci_allowed(void)
@@ -57,3 +64,54 @@ int early_pci_allowed(void)
         return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) ==
                         PCI_PROBE_CONF1;
 }
+
+void early_dump_pci_device(u8 bus, u8 slot, u8 func)
+{
+        int i;
+        int j;
+        u32 val;
+
+        printk("PCI: %02x:%02x:%02x", bus, slot, func);
+
+        for (i = 0; i < 256; i += 4) {
+                if (!(i & 0x0f))
+                        printk("\n%04x:",i);
+
+                val = read_pci_config(bus, slot, func, i);
+                for (j = 0; j < 4; j++) {
+                        printk(" %02x", val & 0xff);
+                        val >>= 8;
+                }
+        }
+        printk("\n");
+}
+
+void early_dump_pci_devices(void)
+{
+        unsigned bus, slot, func;
+
+        if (!early_pci_allowed())
+                return;
+
+        for (bus = 0; bus < 256; bus++) {
+                for (slot = 0; slot < 32; slot++) {
+                        for (func = 0; func < 8; func++) {
+                                u32 class;
+                                u8 type;
+                                class = read_pci_config(bus, slot, func,
+                                                        PCI_CLASS_REVISION);
+                                if (class == 0xffffffff)
+                                        break;
+
+                                early_dump_pci_device(bus, slot, func);
+
+                                /* No multi-function device? */
+                                type = read_pci_config_byte(bus, slot, func,
+                                                               PCI_HEADER_TYPE);
+                                if (!(type & 0x80))
+                                        break;
+                        }
+                }
+        }
+}
+
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index dc568c6b83f8..6a06a2eb0597 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -45,7 +45,8 @@ struct irq_router {
         char *name;
         u16 vendor, device;
         int (*get)(struct pci_dev *router, struct pci_dev *dev, int pirq);
-        int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq, int new);
+        int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq,
+                int new);
 };
 
 struct irq_router_handler {
@@ -77,7 +78,8 @@ static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
         for (i = 0; i < rt->size; i++)
                 sum += addr[i];
         if (!sum) {
-                DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
+                DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n",
+                        rt);
                 return rt;
         }
         return NULL;
@@ -183,7 +185,8 @@ static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset,
         return (nr & 1) ? (x >> 4) : (x & 0xf);
 }
 
-static void write_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr, unsigned int val)
+static void write_config_nybble(struct pci_dev *router, unsigned offset,
+        unsigned nr, unsigned int val)
 {
         u8 x;
         unsigned reg = offset + (nr >> 1);
@@ -467,7 +470,8 @@ static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int
         return inb(0xc01) & 0xf;
 }
 
-static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev,
+        int pirq, int irq)
 {
         outb(pirq, 0xc00);
         outb(irq, 0xc01);
@@ -660,7 +664,8 @@ static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router
 }
 
 
-static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int serverworks_router_probe(struct irq_router *r,
+                struct pci_dev *router, u16 device)
 {
         switch (device) {
         case PCI_DEVICE_ID_SERVERWORKS_OSB4:
@@ -827,10 +832,12 @@ static void __init pirq_find_router(struct irq_router *r)
 
         for (h = pirq_routers; h->vendor; h++) {
                 /* First look for a router match */
-                if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
+                if (rt->rtr_vendor == h->vendor &&
+                        h->probe(r, pirq_router_dev, rt->rtr_device))
                         break;
                 /* Fall back to a device match */
-                if (pirq_router_dev->vendor == h->vendor && h->probe(r, pirq_router_dev, pirq_router_dev->device))
+                if (pirq_router_dev->vendor == h->vendor &&
+                        h->probe(r, pirq_router_dev, pirq_router_dev->device))
                         break;
         }
         printk(KERN_INFO "PCI: Using IRQ router %s [%04x/%04x] at %s\n",
@@ -845,11 +852,13 @@ static void __init pirq_find_router(struct irq_router *r)
 static struct irq_info *pirq_get_info(struct pci_dev *dev)
 {
         struct irq_routing_table *rt = pirq_table;
-        int entries = (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info);
+        int entries = (rt->size - sizeof(struct irq_routing_table)) /
+                sizeof(struct irq_info);
         struct irq_info *info;
 
         for (info = rt->slots; entries--; info++)
-                if (info->bus == dev->bus->number && PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
+                if (info->bus == dev->bus->number &&
+                        PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
                         return info;
         return NULL;
 }
@@ -890,7 +899,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                 DBG(" -> not routed\n" KERN_DEBUG);
                 return 0;
         }
-        DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask, pirq_table->exclusive_irqs);
+        DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask,
+                pirq_table->exclusive_irqs);
         mask &= pcibios_irq_mask;
 
         /* Work around broken HP Pavilion Notebooks which assign USB to
@@ -903,7 +913,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
         }
 
         /* same for Acer Travelmate 360, but with CB and irq 11 -> 10 */
-        if (acer_tm360_irqrouting && dev->irq == 11 && dev->vendor == PCI_VENDOR_ID_O2) {
+        if (acer_tm360_irqrouting && dev->irq == 11 &&
+                dev->vendor == PCI_VENDOR_ID_O2) {
                 pirq = 0x68;
                 mask = 0x400;
                 dev->irq = r->get(pirq_router_dev, dev, pirq);
@@ -920,15 +931,16 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                         newirq = 0;
                 else
                         printk("\n" KERN_WARNING
-                        "PCI: IRQ %i for device %s doesn't match PIRQ mask "
-                        "- try pci=usepirqmask\n" KERN_DEBUG, newirq,
-                        pci_name(dev));
+                                "PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n"
+                                KERN_DEBUG, newirq,
+                                pci_name(dev));
         }
         if (!newirq && assign) {
                 for (i = 0; i < 16; i++) {
                         if (!(mask & (1 << i)))
                                 continue;
-                        if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, IRQF_SHARED))
+                        if (pirq_penalty[i] < pirq_penalty[newirq] &&
+                                can_request_irq(i, IRQF_SHARED))
                                 newirq = i;
                 }
         }
@@ -944,7 +956,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                 DBG(" -> got IRQ %d\n", irq);
                 msg = "Found";
                 eisa_set_level_irq(irq);
-        } else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
+        } else if (newirq && r->set &&
+                (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
                 DBG(" -> assigning IRQ %d", newirq);
                 if (r->set(pirq_router_dev, dev, pirq, newirq)) {
                         eisa_set_level_irq(newirq);
@@ -962,7 +975,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                 } else
                         return 0;
         }
-        printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq, pci_name(dev));
+        printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq,
+                pci_name(dev));
 
         /* Update IRQ for all devices with the same pirq value */
         while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) {
@@ -974,7 +988,10 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                 if (!info)
                         continue;
                 if (info->irq[pin].link == pirq) {
-                        /* We refuse to override the dev->irq information. Give a warning! */
+                        /*
+                         * We refuse to override the dev->irq
+                         * information. Give a warning!
+                         */
                         if (dev2->irq && dev2->irq != irq && \
                         (!(pci_probe & PCI_USE_PIRQ_MASK) || \
                         ((1 << dev2->irq) & mask))) {
@@ -987,7 +1004,9 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                         dev2->irq = irq;
                         pirq_penalty[irq]++;
                         if (dev != dev2)
-                                printk(KERN_INFO "PCI: Sharing IRQ %d with %s\n", irq, pci_name(dev2));
+                                printk(KERN_INFO
+                                        "PCI: Sharing IRQ %d with %s\n",
+                                        irq, pci_name(dev2));
                 }
         }
         return 1;
@@ -1001,15 +1020,21 @@ static void __init pcibios_fixup_irqs(void)
         DBG(KERN_DEBUG "PCI: IRQ fixup\n");
         while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
                 /*
-                 * If the BIOS has set an out of range IRQ number, just ignore it.
-                 * Also keep track of which IRQ's are already in use.
+                 * If the BIOS has set an out of range IRQ number, just
+                 * ignore it.  Also keep track of which IRQ's are
+                 * already in use.
                  */
                 if (dev->irq >= 16) {
-                        DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n", pci_name(dev), dev->irq);
+                        DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n",
+                                pci_name(dev), dev->irq);
                         dev->irq = 0;
                 }
-                /* If the IRQ is already assigned to a PCI device, ignore its ISA use penalty */
-                if (pirq_penalty[dev->irq] >= 100 && pirq_penalty[dev->irq] < 100000)
+                /*
+                 * If the IRQ is already assigned to a PCI device,
+                 * ignore its ISA use penalty
+                 */
+                if (pirq_penalty[dev->irq] >= 100 &&
+                                pirq_penalty[dev->irq] < 100000)
                         pirq_penalty[dev->irq] = 0;
                 pirq_penalty[dev->irq]++;
         }
@@ -1025,8 +1050,13 @@ static void __init pcibios_fixup_irqs(void)
                         int irq;
 
                         if (pin) {
-                                pin--;          /* interrupt pins are numbered starting from 1 */
-                                irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
+                                /*
+                                 * interrupt pins are numbered starting
+                                 * from 1
+                                 */
+                                pin--;
+                                irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
+                                        PCI_SLOT(dev->devfn), pin);
         /*
          * Busses behind bridges are typically not listed in the MP-table.
          * In this case we have to look up the IRQ based on the parent bus,
@@ -1067,7 +1097,8 @@ static int __init fix_broken_hp_bios_irq9(const struct dmi_system_id *d)
 {
         if (!broken_hp_bios_irq9) {
                 broken_hp_bios_irq9 = 1;
-                printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
+                printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
+                        d->ident);
         }
         return 0;
 }
@@ -1080,7 +1111,8 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d)
 {
         if (!acer_tm360_irqrouting) {
                 acer_tm360_irqrouting = 1;
-                printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
+                printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
+                        d->ident);
         }
         return 0;
 }
@@ -1092,7 +1124,8 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
                         DMI_MATCH(DMI_BIOS_VERSION, "GE.M1.03"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook Model GE"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION,
+                                "HP Pavilion Notebook Model GE"),
                         DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
                 },
         },
@@ -1131,7 +1164,10 @@ int __init pcibios_irq_init(void)
                                 if (!(pirq_table->exclusive_irqs & (1 << i)))
                                         pirq_penalty[i] += 100;
                 }
-                /* If we're using the I/O APIC, avoid using the PCI IRQ routing table */
+                /*
+                 * If we're using the I/O APIC, avoid using the PCI IRQ
+                 * routing table
+                 */
                 if (io_apic_assign_pci_irqs)
                         pirq_table = NULL;
         }
@@ -1175,7 +1211,7 @@ static int pirq_enable_irq(struct pci_dev *dev)
         if (pin && !pcibios_lookup_irq(dev, 1) && !dev->irq) {
                 char *msg = "";
 
-                pin--;          /* interrupt pins are numbered starting from 1 */
+                pin--; /* interrupt pins are numbered starting from 1 */
 
                 if (io_apic_assign_pci_irqs) {
                         int irq;
@@ -1195,13 +1231,16 @@ static int pirq_enable_irq(struct pci_dev *dev)
                                 irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
                                                 PCI_SLOT(bridge->devfn), pin);
                                 if (irq >= 0)
-                                        printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
-                                                pci_name(bridge), 'A' + pin, irq);
+                                        printk(KERN_WARNING
+                                                "PCI: using PPB %s[%c] to get irq %d\n",
+                                                pci_name(bridge),
+                                                'A' + pin, irq);
                                 dev = bridge;
                         }
                         dev = temp_dev;
                         if (irq >= 0) {
-                                printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
+                                printk(KERN_INFO
+                                        "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
                                         pci_name(dev), 'A' + pin, irq);
                                 dev->irq = irq;
                                 return 0;
@@ -1212,12 +1251,17 @@ static int pirq_enable_irq(struct pci_dev *dev)
                 else
                         msg = " Please try using pci=biosirq.";
 
-                /* With IDE legacy devices the IRQ lookup failure is not a problem.. */
-                if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE && !(dev->class & 0x5))
+                /*
+                 * With IDE legacy devices the IRQ lookup failure is not
+                 * a problem..
+                 */
+                if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
+                                !(dev->class & 0x5))
                         return 0;
 
-                printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
-                       'A' + pin, pci_name(dev), msg);
+                printk(KERN_WARNING
+                        "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
+                        'A' + pin, pci_name(dev), msg);
         }
         return 0;
 }
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index b2270a55b0cf..3e25deb821ac 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -28,6 +28,7 @@
 #define PCI_USE__CRS            0x10000
 #define PCI_CHECK_ENABLE_AMD_MMCONF     0x20000
 #define PCI_HAS_IO_ECS          0x40000
+#define PCI_NOASSIGN_ROMS       0x80000
 
 extern unsigned int pci_probe;
 extern unsigned long pirq_table_addr;