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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  PCI: clear bridge resource range if BIOS assigned bad one
  PCI: hotplug/cpqphp, fix NULL dereference
  Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"
  PCI: change resource collision messages from KERN_ERR to KERN_INFO
This commit is contained in:
Linus Torvalds 2010-06-11 14:15:44 -07:00
commit eda054770e
9 changed files with 17 additions and 130 deletions
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7
drivers/pci/hotplug/cpqphp_core.c
View file

@ -828,7 +828,14 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_name(pdev), err);
return err;
}
bus = pdev->subordinate;
if (!bus) {
dev_notice(&pdev->dev, "the device is not a bridge, "
"skipping\n");
rc = -ENODEV;
goto err_disable_device;
}
/* Need to read VID early b/c it's used to differentiate CPQ and INTC
* discovery

37
drivers/pci/pci-sysfs.c
View file

@ -1035,39 +1035,6 @@ error:
return retval;
}
static void pci_remove_slot_links(struct pci_dev *dev)
{
char func[10];
struct pci_slot *slot;
sysfs_remove_link(&dev->dev.kobj, "slot");
list_for_each_entry(slot, &dev->bus->slots, list) {
if (slot->number != PCI_SLOT(dev->devfn))
continue;
snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
sysfs_remove_link(&slot->kobj, func);
}
}
static int pci_create_slot_links(struct pci_dev *dev)
{
int result = 0;
char func[10];
struct pci_slot *slot;
list_for_each_entry(slot, &dev->bus->slots, list) {
if (slot->number != PCI_SLOT(dev->devfn))
continue;
result = sysfs_create_link(&dev->dev.kobj, &slot->kobj, "slot");
if (result)
goto out;
snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
result = sysfs_create_link(&slot->kobj, &dev->dev.kobj, func);
}
out:
return result;
}
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
{
int retval;
@ -1130,8 +1097,6 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
if (retval)
goto err_vga_file;
pci_create_slot_links(pdev);
return 0;
err_vga_file:
@ -1181,8 +1146,6 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
if (!sysfs_initialized)
return;
pci_remove_slot_links(pdev);
pci_remove_capabilities_sysfs(pdev);
if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)

10
drivers/pci/setup-res.c
View file

@ -97,16 +97,16 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
root = pci_find_parent_resource(dev, res);
if (!root) {
dev_err(&dev->dev, "no compatible bridge window for %pR\n",
res);
dev_info(&dev->dev, "no compatible bridge window for %pR\n",
res);
return -EINVAL;
}
conflict = request_resource_conflict(root, res);
if (conflict) {
dev_err(&dev->dev,
"address space collision: %pR conflicts with %s %pR\n",
res, conflict->name, conflict);
dev_info(&dev->dev,
"address space collision: %pR conflicts with %s %pR\n",
res, conflict->name, conflict);
return -EBUSY;
}

48
drivers/pci/slot.c
View file

@ -97,50 +97,6 @@ static ssize_t cur_speed_read_file(struct pci_slot *slot, char *buf)
return bus_speed_read(slot->bus->cur_bus_speed, buf);
}
static void remove_sysfs_files(struct pci_slot *slot)
{
char func[10];
struct list_head *tmp;
list_for_each(tmp, &slot->bus->devices) {
struct pci_dev *dev = pci_dev_b(tmp);
if (PCI_SLOT(dev->devfn) != slot->number)
continue;
sysfs_remove_link(&dev->dev.kobj, "slot");
snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
sysfs_remove_link(&slot->kobj, func);
}
}
static int create_sysfs_files(struct pci_slot *slot)
{
int result;
char func[10];
struct list_head *tmp;
list_for_each(tmp, &slot->bus->devices) {
struct pci_dev *dev = pci_dev_b(tmp);
if (PCI_SLOT(dev->devfn) != slot->number)
continue;
result = sysfs_create_link(&dev->dev.kobj, &slot->kobj, "slot");
if (result)
goto fail;
snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn));
result = sysfs_create_link(&slot->kobj, &dev->dev.kobj, func);
if (result)
goto fail;
}
return 0;
fail:
remove_sysfs_files(slot);
return result;
}
static void pci_slot_release(struct kobject *kobj)
{
struct pci_dev *dev;
@ -153,8 +109,6 @@ static void pci_slot_release(struct kobject *kobj)
if (PCI_SLOT(dev->devfn) == slot->number)
dev->slot = NULL;
remove_sysfs_files(slot);
list_del(&slot->list);
kfree(slot);
@ -346,8 +300,6 @@ placeholder:
INIT_LIST_HEAD(&slot->list);
list_add(&slot->list, &parent->slots);
create_sysfs_files(slot);
list_for_each_entry(dev, &parent->devices, bus_list)
if (PCI_SLOT(dev->devfn) == slot_nr)
dev->slot = slot;