1 files changed, 48 insertions, 137 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 36698e57b97f..aaaf0a1fed22 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -14,8 +14,6 @@
 
 #define CARDBUS_LATENCY_TIMER   176     /* secondary latency timer */
 #define CARDBUS_RESERVE_BUSNR   3
-#define PCI_CFG_SPACE_SIZE      256
-#define PCI_CFG_SPACE_EXP_SIZE  4096
 
 /* Ugh.  Need to stop exporting this to modules. */
 LIST_HEAD(pci_root_buses);
@@ -44,72 +42,6 @@ int no_pci_devices(void)
 }
 EXPORT_SYMBOL(no_pci_devices);
 
-#ifdef HAVE_PCI_LEGACY
-/**
- * pci_create_legacy_files - create legacy I/O port and memory files
- * @b: bus to create files under
- *
- * Some platforms allow access to legacy I/O port and ISA memory space on
- * a per-bus basis.  This routine creates the files and ties them into
- * their associated read, write and mmap files from pci-sysfs.c
- *
- * On error unwind, but don't propogate the error to the caller
- * as it is ok to set up the PCI bus without these files.
- */
-static void pci_create_legacy_files(struct pci_bus *b)
-{
-        int error;
-
-        b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
-                               GFP_ATOMIC);
-        if (!b->legacy_io)
-                goto kzalloc_err;
-
-        b->legacy_io->attr.name = "legacy_io";
-        b->legacy_io->size = 0xffff;
-        b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
-        b->legacy_io->read = pci_read_legacy_io;
-        b->legacy_io->write = pci_write_legacy_io;
-        error = device_create_bin_file(&b->dev, b->legacy_io);
-        if (error)
-                goto legacy_io_err;
-
-        /* Allocated above after the legacy_io struct */
-        b->legacy_mem = b->legacy_io + 1;
-        b->legacy_mem->attr.name = "legacy_mem";
-        b->legacy_mem->size = 1024*1024;
-        b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
-        b->legacy_mem->mmap = pci_mmap_legacy_mem;
-        error = device_create_bin_file(&b->dev, b->legacy_mem);
-        if (error)
-                goto legacy_mem_err;
-
-        return;
-
-legacy_mem_err:
-        device_remove_bin_file(&b->dev, b->legacy_io);
-legacy_io_err:
-        kfree(b->legacy_io);
-        b->legacy_io = NULL;
-kzalloc_err:
-        printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
-               "and ISA memory resources to sysfs\n");
-        return;
-}
-
-void pci_remove_legacy_files(struct pci_bus *b)
-{
-        if (b->legacy_io) {
-                device_remove_bin_file(&b->dev, b->legacy_io);
-                device_remove_bin_file(&b->dev, b->legacy_mem);
-                kfree(b->legacy_io); /* both are allocated here */
-        }
-}
-#else /* !HAVE_PCI_LEGACY */
-static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
-void pci_remove_legacy_files(struct pci_bus *bus) { return; }
-#endif /* HAVE_PCI_LEGACY */
-
 /*
  * PCI Bus Class Devices
  */
@@ -219,7 +151,7 @@ static inline enum pci_bar_type decode_bar(struct resource *res, u32 bar)
 
         res->flags = bar & ~PCI_BASE_ADDRESS_MEM_MASK;
 
-        if (res->flags == PCI_BASE_ADDRESS_MEM_TYPE_64)
+        if (res->flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
                 return pci_bar_mem64;
         return pci_bar_mem32;
 }
@@ -304,9 +236,8 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
                 } else {
                         res->start = l64;
                         res->end = l64 + sz64;
-                        printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
-                                pci_name(dev), pos, (unsigned long long)res->start,
-                                (unsigned long long)res->end);
+                        dev_printk(KERN_DEBUG, &dev->dev,
+                                "reg %x 64bit mmio: %pR\n", pos, res);
                 }
         } else {
                 sz = pci_size(l, sz, mask);
@@ -316,9 +247,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 
                 res->start = l;
                 res->end = l + sz;
-                printk(KERN_DEBUG "PCI: %s reg %x %s: [%llx, %llx]\n", pci_name(dev),
-                        pos, (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
-                        (unsigned long long)res->start, (unsigned long long)res->end);
+
+                dev_printk(KERN_DEBUG, &dev->dev, "reg %x %s: %pR\n", pos,
+                        (res->flags & IORESOURCE_IO) ? "io port" : "32bit mmio",
+                        res);
         }
 
  out:
@@ -389,9 +321,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
                         res->start = base;
                 if (!res->end)
                         res->end = limit + 0xfff;
-                printk(KERN_DEBUG "PCI: bridge %s io port: [%llx, %llx]\n",
-                        pci_name(dev), (unsigned long long) res->start,
-                        (unsigned long long) res->end);
+                dev_printk(KERN_DEBUG, &dev->dev, "bridge io port: %pR\n", res);
         }
 
         res = child->resource[1];
@@ -403,9 +333,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
                 res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
                 res->start = base;
                 res->end = limit + 0xfffff;
-                printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: [%llx, %llx]\n",
-                        pci_name(dev), (unsigned long long) res->start,
-                        (unsigned long long) res->end);
+                dev_printk(KERN_DEBUG, &dev->dev, "bridge 32bit mmio: %pR\n",
+                        res);
         }
 
         res = child->resource[2];
@@ -441,9 +370,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
                 res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH;
                 res->start = base;
                 res->end = limit + 0xfffff;
-                printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n",
-                        pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
-                        (unsigned long long) res->start, (unsigned long long) res->end);
+                dev_printk(KERN_DEBUG, &dev->dev, "bridge %sbit mmio pref: %pR\n",
+                        (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
+                        res);
         }
 }
 
@@ -764,7 +693,7 @@ static int pci_setup_device(struct pci_dev * dev)
         dev->class = class;
         class >>= 8;
 
-        dev_dbg(&dev->dev, "found [%04x/%04x] class %06x header type %02x\n",
+        dev_dbg(&dev->dev, "found [%04x:%04x] class %06x header type %02x\n",
                  dev->vendor, dev->device, class, dev->hdr_type);
 
         /* "Unknown power state" */
@@ -846,6 +775,11 @@ static int pci_setup_device(struct pci_dev * dev)
         return 0;
 }
 
+static void pci_release_capabilities(struct pci_dev *dev)
+{
+        pci_vpd_release(dev);
+}
+
 /**
  * pci_release_dev - free a pci device structure when all users of it are finished.
  * @dev: device that's been disconnected
@@ -858,7 +792,7 @@ static void pci_release_dev(struct device *dev)
         struct pci_dev *pci_dev;
 
         pci_dev = to_pci_dev(dev);
-        pci_vpd_release(pci_dev);
+        pci_release_capabilities(pci_dev);
         kfree(pci_dev);
 }
 
@@ -889,8 +823,9 @@ static void set_pcie_port_type(struct pci_dev *pdev)
 int pci_cfg_space_size_ext(struct pci_dev *dev)
 {
         u32 status;
+        int pos = PCI_CFG_SPACE_SIZE;
 
-        if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL)
+        if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
                 goto fail;
         if (status == 0xffffffff)
                 goto fail;
@@ -938,8 +873,6 @@ struct pci_dev *alloc_pci_dev(void)
 
         INIT_LIST_HEAD(&dev->bus_list);
 
-        pci_msi_init_pci_dev(dev);
-
         return dev;
 }
 EXPORT_SYMBOL(alloc_pci_dev);
@@ -951,6 +884,7 @@ EXPORT_SYMBOL(alloc_pci_dev);
 static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 {
         struct pci_dev *dev;
+        struct pci_slot *slot;
         u32 l;
         u8 hdr_type;
         int delay = 1;
@@ -999,6 +933,10 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
         dev->error_state = pci_channel_io_normal;
         set_pcie_port_type(dev);
 
+        list_for_each_entry(slot, &bus->slots, list)
+                if (PCI_SLOT(devfn) == slot->number)
+                        dev->slot = slot;
+
         /* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
            set this higher, assuming the system even supports it.  */
         dev->dma_mask = 0xffffffff;
@@ -1007,9 +945,22 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
                 return NULL;
         }
 
+        return dev;
+}
+
+static void pci_init_capabilities(struct pci_dev *dev)
+{
+        /* MSI/MSI-X list */
+        pci_msi_init_pci_dev(dev);
+
+        /* Power Management */
+        pci_pm_init(dev);
+
+        /* Vital Product Data */
         pci_vpd_pci22_init(dev);
 
-        return dev;
+        /* Alternative Routing-ID Forwarding */
+        pci_enable_ari(dev);
 }
 
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
@@ -1028,8 +979,8 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
         /* Fix up broken headers */
         pci_fixup_device(pci_fixup_header, dev);
 
-        /* Initialize power management of the device */
-        pci_pm_init(dev);
+        /* Initialize various capabilities */
+        pci_init_capabilities(dev);
 
         /*
          * Add the device to our list of discovered devices
@@ -1237,8 +1188,11 @@ EXPORT_SYMBOL(pci_scan_bridge);
 EXPORT_SYMBOL_GPL(pci_scan_child_bus);
 #endif
 
-static int __init pci_sort_bf_cmp(const struct pci_dev *a, const struct pci_dev *b)
+static int __init pci_sort_bf_cmp(const struct device *d_a, const struct device *d_b)
 {
+        const struct pci_dev *a = to_pci_dev(d_a);
+        const struct pci_dev *b = to_pci_dev(d_b);
+
         if      (pci_domain_nr(a->bus) < pci_domain_nr(b->bus)) return -1;
         else if (pci_domain_nr(a->bus) > pci_domain_nr(b->bus)) return  1;
 
@@ -1251,50 +1205,7 @@ static int __init pci_sort_bf_cmp(const struct pci_dev *a, const struct pci_dev
         return 0;
 }
 
-/*
- * Yes, this forcably breaks the klist abstraction temporarily.  It
- * just wants to sort the klist, not change reference counts and
- * take/drop locks rapidly in the process.  It does all this while
- * holding the lock for the list, so objects can't otherwise be
- * added/removed while we're swizzling.
- */
-static void __init pci_insertion_sort_klist(struct pci_dev *a, struct list_head *list)
-{
-        struct list_head *pos;
-        struct klist_node *n;
-        struct device *dev;
-        struct pci_dev *b;
-
-        list_for_each(pos, list) {
-                n = container_of(pos, struct klist_node, n_node);
-                dev = container_of(n, struct device, knode_bus);
-                b = to_pci_dev(dev);
-                if (pci_sort_bf_cmp(a, b) <= 0) {
-                        list_move_tail(&a->dev.knode_bus.n_node, &b->dev.knode_bus.n_node);
-                        return;
-                }
-        }
-        list_move_tail(&a->dev.knode_bus.n_node, list);
-}
-
 void __init pci_sort_breadthfirst(void)
 {
-        LIST_HEAD(sorted_devices);
-        struct list_head *pos, *tmp;
-        struct klist_node *n;
-        struct device *dev;
-        struct pci_dev *pdev;
-        struct klist *device_klist;
-
-        device_klist = bus_get_device_klist(&pci_bus_type);
-
-        spin_lock(&device_klist->k_lock);
-        list_for_each_safe(pos, tmp, &device_klist->k_list) {
-                n = container_of(pos, struct klist_node, n_node);
-                dev = container_of(n, struct device, knode_bus);
-                pdev = to_pci_dev(dev);
-                pci_insertion_sort_klist(pdev, &sorted_devices);
-        }
-        list_splice(&sorted_devices, &device_klist->k_list);
-        spin_unlock(&device_klist->k_lock);
+        bus_sort_breadthfirst(&pci_bus_type, &pci_sort_bf_cmp);
 }