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PCI: rename pci_update_slot_number to pci_renumber_slot
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The GPL exported symbol pci_update_slot_number has been renamed to
pci_renumber_slot. Some of the safety checks were unnecessary and
were removed.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Alex Chiang authored and Jesse Barnes committed Oct 22, 2008
1 parent 1359f27 commit d25b7c8
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Showing 2 changed files with 6 additions and 11 deletions.
15 changes: 5 additions & 10 deletions drivers/pci/slot.c
Original file line number Diff line number Diff line change
Expand Up @@ -175,35 +175,30 @@ struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
EXPORT_SYMBOL_GPL(pci_create_slot);

/**
* pci_update_slot_number - update %struct pci_slot -> number
* pci_renumber_slot - update %struct pci_slot -> number
* @slot - %struct pci_slot to update
* @slot_nr - new number for slot
*
* The primary purpose of this interface is to allow callers who earlier
* created a placeholder slot in pci_create_slot() by passing a -1 as
* slot_nr, to update their %struct pci_slot with the correct @slot_nr.
*/

void pci_update_slot_number(struct pci_slot *slot, int slot_nr)
void pci_renumber_slot(struct pci_slot *slot, int slot_nr)
{
int name_count = 0;
struct pci_slot *tmp;

down_write(&pci_bus_sem);

list_for_each_entry(tmp, &slot->bus->slots, list) {
WARN_ON(tmp->number == slot_nr);
if (!strcmp(kobject_name(&tmp->kobj), kobject_name(&slot->kobj)))
name_count++;
goto out;
}

if (name_count > 1)
printk(KERN_WARNING "pci_update_slot_number found %d slots with the same name: %s\n", name_count, kobject_name(&slot->kobj));

slot->number = slot_nr;
out:
up_write(&pci_bus_sem);
}
EXPORT_SYMBOL_GPL(pci_update_slot_number);
EXPORT_SYMBOL_GPL(pci_renumber_slot);

/**
* pci_destroy_slot - decrement refcount for physical PCI slot
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2 changes: 1 addition & 1 deletion include/linux/pci.h
Original file line number Diff line number Diff line change
Expand Up @@ -512,7 +512,7 @@ struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
const char *name);
void pci_destroy_slot(struct pci_slot *slot);
void pci_update_slot_number(struct pci_slot *slot, int slot_nr);
void pci_renumber_slot(struct pci_slot *slot, int slot_nr);
int pci_scan_slot(struct pci_bus *bus, int devfn);
struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
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