PCI: remove pci_find_device_reverse()

This patch removes the no longer used pci_find_device_reverse().
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/pci/search.c

@@ -357,43 +357,6 @@ pci_get_device_reverse(unsigned int vendor, unsigned int device, struct pci_dev
 	return dev;
 }
 
-/**
- * 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
@@ -469,7 +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);

include/linux/pci.h

@@ -469,7 +469,6 @@ extern void pci_sort_breadthfirst(void);
 /* Generic PCI functions exported to card drivers */
 
 struct pci_dev *pci_find_device (unsigned int vendor, unsigned int device, const struct pci_dev *from);
-struct pci_dev *pci_find_device_reverse (unsigned int vendor, unsigned int device, const struct pci_dev *from);
 struct pci_dev *pci_find_slot (unsigned int bus, unsigned int devfn);
 int pci_find_capability (struct pci_dev *dev, int cap);
 int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);