Driver core: add bus_sort_breadthfirst() function

[linux-2.6-omap-h63xx.git] / drivers / pci / probe.c

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index cce2f4cb1fbf37985d7303ec2e34d9f507d92aee..dd9161a054e1c1264891a918a634d5a60fa0d062 100644 (file)
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -304,6 +304,9 @@ 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);
                }
        } else {
                sz = pci_size(l, sz, mask);
@@ -313,6 +316,9 @@ 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);
        }
 
  out:
@@ -383,7 +389,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
                        res->start = base;
                if (!res->end)
                        res->end = limit + 0xfff;
-               printk(KERN_INFO "PCI: bridge %s io port: [%llx, %llx]\n", pci_name(dev), res->start, res->end);
+               printk(KERN_DEBUG "PCI: bridge %s io port: [%llx, %llx]\n",
+                       pci_name(dev), (unsigned long long) res->start,
+                       (unsigned long long) res->end);
        }
 
        res = child->resource[1];
@@ -395,7 +403,9 @@ 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_INFO "PCI: bridge %s 32bit mmio: [%llx, %llx]\n", pci_name(dev), res->start, res->end);
+               printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: [%llx, %llx]\n",
+                       pci_name(dev), (unsigned long long) res->start,
+                       (unsigned long long) res->end);
        }
 
        res = child->resource[2];
@@ -431,7 +441,9 @@ 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_INFO "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n", pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64)?"64":"32",res->start, res->end);
+               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);
        }
 }
 
@@ -1225,8 +1237,11 @@ 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;
 
@@ -1239,50 +1254,7 @@ 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);
 }