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PCI: enhance physical slot debug information

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Convert usages of pr_debug to dev_dbg and add physical slot name.

Note that we use dev_dbg on the struct pci_bus and still manually
print out the PCI slot number (instead of calling dev_dbg on a
pci_dev) because a struct pci_bus with empty physical slots will
not have any pci_devs.

Reviewed-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Alex Chiang 2009-02-04 11:25:22 -07:00 committed by Jesse Barnes
parent 6a82e21823
commit 6279504141
1 changed files with 8 additions and 10 deletions
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18
drivers/pci/slot.c
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@ -1,8 +1,8 @@
/*
* drivers/pci/slot.c
* Copyright (C) 2006 Matthew Wilcox <matthew@wil.cx>
* Copyright (C) 2006-2008 Hewlett-Packard Development Company, L.P.
* Alex Chiang <achiang@hp.com>
* Copyright (C) 2006-2009 Hewlett-Packard Development Company, L.P.
* Alex Chiang <achiang@hp.com>
*/
#include <linux/kobject.h>
@ -52,8 +52,8 @@ static void pci_slot_release(struct kobject *kobj)
struct pci_dev *dev;
struct pci_slot *slot = to_pci_slot(kobj);
pr_debug("%s: releasing pci_slot on %x:%d\n", __func__,
slot->bus->number, slot->number);
dev_dbg(&slot->bus->dev, "dev %02x, released physical slot %s\n",
slot->number, pci_slot_name(slot));
list_for_each_entry(dev, &slot->bus->devices, bus_list)
if (PCI_SLOT(dev->devfn) == slot->number)
@ -248,9 +248,8 @@ placeholder:
if (PCI_SLOT(dev->devfn) == slot_nr)
dev->slot = slot;
/* Don't care if debug printk has a -1 for slot_nr */
pr_debug("%s: created pci_slot on %04x:%02x:%02x\n",
__func__, pci_domain_nr(parent), parent->number, slot_nr);
dev_dbg(&parent->dev, "dev %02x, created physical slot %s\n",
slot_nr, pci_slot_name(slot));
out:
kfree(slot_name);
@ -299,9 +298,8 @@ EXPORT_SYMBOL_GPL(pci_renumber_slot);
*/
void pci_destroy_slot(struct pci_slot *slot)
{
pr_debug("%s: dec refcount to %d on %04x:%02x:%02x\n", __func__,
atomic_read(&slot->kobj.kref.refcount) - 1,
pci_domain_nr(slot->bus), slot->bus->number, slot->number);
dev_dbg(&slot->bus->dev, "dev %02x, dec refcount to %d\n",
slot->number, atomic_read(&slot->kobj.kref.refcount) - 1);
down_write(&pci_bus_sem);
kobject_put(&slot->kobj);