aboutsummaryrefslogtreecommitdiff
path: root/drivers/pci/search.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/search.c')
-rw-r--r--drivers/pci/search.c48
1 files changed, 2 insertions, 46 deletions
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index fab381ed853..ff98eaddaa7 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -200,11 +200,8 @@ static struct pci_dev * pci_find_subsys(unsigned int vendor,
* can cause some machines to crash. So here we detect and flag that
* situation and bail out early.
*/
- if (unlikely(list_empty(&pci_devices))) {
- printk(KERN_INFO "pci_find_subsys() called while pci_devices "
- "is still empty\n");
+ if (unlikely(list_empty(&pci_devices)))
return NULL;
- }
down_read(&pci_bus_sem);
n = from ? from->global_list.next : pci_devices.next;
@@ -278,11 +275,8 @@ pci_get_subsys(unsigned int vendor, unsigned int device,
* can cause some machines to crash. So here we detect and flag that
* situation and bail out early.
*/
- if (unlikely(list_empty(&pci_devices))) {
- printk(KERN_NOTICE "pci_get_subsys() called while pci_devices "
- "is still empty\n");
+ if (unlikely(list_empty(&pci_devices)))
return NULL;
- }
down_read(&pci_bus_sem);
n = from ? from->global_list.next : pci_devices.next;
@@ -364,43 +358,6 @@ exit:
}
/**
- * pci_find_device_reverse - begin or continue searching for a PCI device by vendor/device id
- * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids
- * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
- * @from: Previous PCI device found in search, or %NULL for new search.
- *
- * Iterates through the list of known PCI devices in the reverse order of
- * pci_find_device().
- * If a PCI device is found with a matching @vendor and @device, a pointer to
- * its device structure is returned. Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL as the @from argument.
- * Otherwise if @from is not %NULL, searches continue from previous device
- * on the global list.
- */
-struct pci_dev *
-pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct pci_dev *from)
-{
- struct list_head *n;
- struct pci_dev *dev;
-
- WARN_ON(in_interrupt());
- down_read(&pci_bus_sem);
- n = from ? from->global_list.prev : pci_devices.prev;
-
- while (n && (n != &pci_devices)) {
- dev = pci_dev_g(n);
- if ((vendor == PCI_ANY_ID || dev->vendor == vendor) &&
- (device == PCI_ANY_ID || dev->device == device))
- goto exit;
- n = n->prev;
- }
- dev = NULL;
-exit:
- up_read(&pci_bus_sem);
- return dev;
-}
-
-/**
* pci_get_class - begin or continue searching for a PCI device by class
* @class: search for a PCI device with this class designation
* @from: Previous PCI device found in search, or %NULL for new search.
@@ -475,7 +432,6 @@ EXPORT_SYMBOL(pci_dev_present);
EXPORT_SYMBOL(pci_find_present);
EXPORT_SYMBOL(pci_find_device);
-EXPORT_SYMBOL(pci_find_device_reverse);
EXPORT_SYMBOL(pci_find_slot);
/* For boot time work */
EXPORT_SYMBOL(pci_find_bus);