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path: root/drivers/pci/probe.c
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Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c68
1 files changed, 20 insertions, 48 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index cce2f4cb1fbf..dd9161a054e1 100644
--- 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);
}