Merge branch 'pci/misc' into next

* pci/misc:
  PCI: Report pci_pme_active() kmalloc failure
  mn10300/PCI: Remove useless pcibios_last_bus
  frv/PCI: Remove pcibios_last_bus
  PCI: Fail MSI/MSI-X initialization if device is not in PCI_D0
  x86/PCI: Coalesce multiple overlapping host bridge windows
  MAINTAINERS: Add arch/x86/pci to PCI file patterns
  PCI/PM: Remove pci_pm_complete()
  PCI: Add pci_dev_show_local_cpu() to simplify code
  mn10300/PCI: Remove unused pci_mem_start
  cris/PCI: Remove unused pci_mem_start
  PCI: Make pci_dev_pm_ops static

Conflicts:
	drivers/pci/pci-sysfs.c

13 files changed, 29 insertions, 85 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index bc6d82162ebe..906d440f1afe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6338,6 +6338,7 @@ S:	Supported
 F:      Documentation/PCI/
 F:      drivers/pci/
 F:      include/linux/pci*
+F:      arch/x86/pci/
 
 PCI DRIVER FOR NVIDIA TEGRA
 M:      Thierry Reding <thierry.reding@gmail.com>
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index 146da904cdd8..f666734926d5 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -11,7 +11,6 @@
 
 #define pcibios_assign_all_busses(void) 1
 
-extern unsigned long pci_mem_start;
 #define PCIBIOS_MIN_IO          0x1000
 #define PCIBIOS_MIN_MEM         0x10000000
 
diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h
index 76c4e73d643d..a7e487fe76ed 100644
--- a/arch/frv/mb93090-mb00/pci-frv.h
+++ b/arch/frv/mb93090-mb00/pci-frv.h
@@ -30,7 +30,6 @@ void pcibios_resource_survey(void);
 
 /* pci-vdk.c */
 
-extern int __nongpreldata pcibios_last_bus;
 extern struct pci_ops *__nongpreldata pci_root_ops;
 
 /* pci-irq.c */
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index deb67843693c..efa5d65b0007 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -25,7 +25,6 @@
 
 unsigned int __nongpreldata pci_probe = 1;
 
-int  __nongpreldata pcibios_last_bus = -1;
 struct pci_ops *__nongpreldata pci_root_ops;
 
 /*
@@ -220,37 +219,6 @@ static struct pci_ops * __init pci_check_direct(void)
 }
 
 /*
- * Discover remaining PCI buses in case there are peer host bridges.
- * We use the number of last PCI bus provided by the PCI BIOS.
- */
-static void __init pcibios_fixup_peer_bridges(void)
-{
-        struct pci_bus bus;
-        struct pci_dev dev;
-        int n;
-        u16 l;
-
-        if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff)
-                return;
-        printk("PCI: Peer bridge fixup\n");
-        for (n=0; n <= pcibios_last_bus; n++) {
-                if (pci_find_bus(0, n))
-                        continue;
-                bus.number = n;
-                bus.ops = pci_root_ops;
-                dev.bus = &bus;
-                for(dev.devfn=0; dev.devfn<256; dev.devfn += 8)
-                        if (!pci_read_config_word(&dev, PCI_VENDOR_ID, &l) &&
-                            l != 0x0000 && l != 0xffff) {
-                                printk("Found device at %02x:%02x [%04x]\n", n, dev.devfn, l);
-                                printk("PCI: Discovered peer bus %02x\n", n);
-                                pci_scan_bus(n, pci_root_ops, NULL);
-                                break;
-                        }
-        }
-}
-
-/*
  * Exceptions for specific devices. Usually work-arounds for fatal design flaws.
  */
 
@@ -418,7 +386,6 @@ int __init pcibios_init(void)
         pci_scan_root_bus(NULL, 0, pci_root_ops, NULL, &resources);
 
         pcibios_irq_init();
-        pcibios_fixup_peer_bridges();
         pcibios_fixup_irqs();
         pcibios_resource_survey();
 
@@ -432,9 +399,6 @@ char * __init pcibios_setup(char *str)
         if (!strcmp(str, "off")) {
                 pci_probe = 0;
                 return NULL;
-        } else if (!strncmp(str, "lastbus=", 8)) {
-                pcibios_last_bus = simple_strtol(str+8, NULL, 0);
-                return NULL;
         }
         return str;
 }
diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index 6f31cc0f1a87..166323824683 100644
--- a/arch/mn10300/include/asm/pci.h
+++ b/arch/mn10300/include/asm/pci.h
@@ -44,7 +44,6 @@ extern void unit_pci_init(void);
 #define pcibios_assign_all_busses()     0
 #endif
 
-extern unsigned long pci_mem_start;
 #define PCIBIOS_MIN_IO          0xBE000004
 #define PCIBIOS_MIN_MEM         0xB8000000
 
diff --git a/arch/mn10300/kernel/setup.c b/arch/mn10300/kernel/setup.c
index ebac9c11f796..2ad7f32fa122 100644
--- a/arch/mn10300/kernel/setup.c
+++ b/arch/mn10300/kernel/setup.c
@@ -35,9 +35,6 @@
 
 struct mn10300_cpuinfo boot_cpu_data;
 
-/* For PCI or other memory-mapped resources */
-unsigned long pci_mem_start = 0x18000000;
-
 static char __initdata cmd_line[COMMAND_LINE_SIZE];
 char redboot_command_line[COMMAND_LINE_SIZE] =
         "console=ttyS0,115200 root=/dev/mtdblock3 rw";
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h
index 7fa66a0e4624..9e17aca5a2a1 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.h
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.h
@@ -35,7 +35,6 @@ extern void pcibios_resource_survey(void);
 
 /* pci.c */
 
-extern int pcibios_last_bus;
 extern struct pci_ops *pci_root_ops;
 
 extern struct irq_routing_table *pcibios_get_irq_routing_table(void);
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c
index e37fac0461f3..6b4339f8c9c2 100644
--- a/arch/mn10300/unit-asb2305/pci.c
+++ b/arch/mn10300/unit-asb2305/pci.c
@@ -24,7 +24,6 @@
 
 unsigned int pci_probe = 1;
 
-int pcibios_last_bus = -1;
 struct pci_ops *pci_root_ops;
 
 /*
@@ -392,10 +391,6 @@ char *__init pcibios_setup(char *str)
         if (!strcmp(str, "off")) {
                 pci_probe = 0;
                 return NULL;
-
-        } else if (!strncmp(str, "lastbus=", 8)) {
-                pcibios_last_bus = simple_strtol(str+8, NULL, 0);
-                return NULL;
         }
 
         return str;
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index b30e937689d6..7fb24e53d4c8 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -354,12 +354,12 @@ static void coalesce_windows(struct pci_root_info *info, unsigned long type)
                          * the kernel resource tree doesn't allow overlaps.
                          */
                         if (resource_overlaps(res1, res2)) {
-                                res1->start = min(res1->start, res2->start);
-                                res1->end = max(res1->end, res2->end);
+                                res2->start = min(res1->start, res2->start);
+                                res2->end = max(res1->end, res2->end);
                                 dev_info(&info->bridge->dev,
                                          "host bridge window expanded to %pR; %pR ignored\n",
-                                         res1, res2);
-                                res2->flags = 0;
+                                         res2, res1);
+                                res1->flags = 0;
                         }
                 }
         }
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index d5f90d6383bc..604265c40853 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -831,7 +831,7 @@ int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
         int status, maxvec;
         u16 msgctl;
 
-        if (!dev->msi_cap)
+        if (!dev->msi_cap || dev->current_state != PCI_D0)
                 return -EINVAL;
 
         pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl);
@@ -862,7 +862,7 @@ int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
         int ret, nvec;
         u16 msgctl;
 
-        if (!dev->msi_cap)
+        if (!dev->msi_cap || dev->current_state != PCI_D0)
                 return -EINVAL;
 
         pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl);
@@ -955,7 +955,7 @@ int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec)
         int status, nr_entries;
         int i, j;
 
-        if (!entries || !dev->msix_cap)
+        if (!entries || !dev->msix_cap || dev->current_state != PCI_D0)
                 return -EINVAL;
 
         status = pci_msi_check_device(dev, nvec, PCI_CAP_ID_MSIX);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 9f85960a62ed..840fdc5ba0d8 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -602,18 +602,10 @@ static int pci_pm_prepare(struct device *dev)
         return error;
 }
 
-static void pci_pm_complete(struct device *dev)
-{
-        struct device_driver *drv = dev->driver;
-
-        if (drv && drv->pm && drv->pm->complete)
-                drv->pm->complete(dev);
-}
 
 #else /* !CONFIG_PM_SLEEP */
 
 #define pci_pm_prepare  NULL
-#define pci_pm_complete NULL
 
 #endif /* !CONFIG_PM_SLEEP */
 
@@ -1124,9 +1116,8 @@ static int pci_pm_runtime_idle(struct device *dev)
 
 #ifdef CONFIG_PM
 
-const struct dev_pm_ops pci_dev_pm_ops = {
+static const struct dev_pm_ops pci_dev_pm_ops = {
         .prepare = pci_pm_prepare,
-        .complete = pci_pm_complete,
         .suspend = pci_pm_suspend,
         .resume = pci_pm_resume,
         .freeze = pci_pm_freeze,
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 82cc45867eaa..2aaa83c85a4e 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -76,9 +76,11 @@ static ssize_t broken_parity_status_store(struct device *dev,
 }
 static DEVICE_ATTR_RW(broken_parity_status);
 
-static ssize_t local_cpus_show(struct device *dev,
-                        struct device_attribute *attr, char *buf)
-{               
+static ssize_t pci_dev_show_local_cpu(struct device *dev,
+                int type,
+                struct device_attribute *attr,
+                char *buf)
+{
         const struct cpumask *mask;
         int len;
 
@@ -88,29 +90,26 @@ static ssize_t local_cpus_show(struct device *dev,
 #else
         mask = cpumask_of_pcibus(to_pci_dev(dev)->bus);
 #endif
-        len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
+        len = type ?
+                cpumask_scnprintf(buf, PAGE_SIZE-2, mask) :
+                cpulist_scnprintf(buf, PAGE_SIZE-2, mask);
+
         buf[len++] = '\n';
         buf[len] = '\0';
         return len;
 }
+
+static ssize_t local_cpus_show(struct device *dev,
+                        struct device_attribute *attr, char *buf)
+{
+        return pci_dev_show_local_cpu(dev, 1, attr, buf);
+}
 static DEVICE_ATTR_RO(local_cpus);
 
 static ssize_t local_cpulist_show(struct device *dev,
                         struct device_attribute *attr, char *buf)
 {
-        const struct cpumask *mask;
-        int len;
-
-#ifdef CONFIG_NUMA
-        mask = (dev_to_node(dev) == -1) ? cpu_online_mask :
-                                          cpumask_of_node(dev_to_node(dev));
-#else
-        mask = cpumask_of_pcibus(to_pci_dev(dev)->bus);
-#endif
-        len = cpulist_scnprintf(buf, PAGE_SIZE-2, mask);
-        buf[len++] = '\n';
-        buf[len] = '\0';
-        return len;
+        return pci_dev_show_local_cpu(dev, 0, attr, buf);
 }
 static DEVICE_ATTR_RO(local_cpulist);
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index c0805f26f339..457f801fc49d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1638,8 +1638,10 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
                 if (enable) {
                         pme_dev = kmalloc(sizeof(struct pci_pme_device),
                                           GFP_KERNEL);
-                        if (!pme_dev)
-                                goto out;
+                        if (!pme_dev) {
+                                dev_warn(&dev->dev, "can't enable PME#\n");
+                                return;
+                        }
                         pme_dev->dev = dev;
                         mutex_lock(&pci_pme_list_mutex);
                         list_add(&pme_dev->list, &pci_pme_list);
@@ -1660,7 +1662,6 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
                 }
         }
 
-out:
         dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
 }