aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/search.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/search.c')
-rw-r--r--drivers/pci/search.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 622b3f8ba820..f8ae2b7db0a7 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -61,7 +61,7 @@ struct pci_bus * __devinit pci_find_bus(int domain, int busnr)
61 * @from: Previous PCI bus found, or %NULL for new search. 61 * @from: Previous PCI bus found, or %NULL for new search.
62 * 62 *
63 * Iterates through the list of known PCI busses. A new search is 63 * Iterates through the list of known PCI busses. A new search is
64 * initiated by passing %NULL to the @from argument. Otherwise if 64 * initiated by passing %NULL as the @from argument. Otherwise if
65 * @from is not %NULL, searches continue from next device on the 65 * @from is not %NULL, searches continue from next device on the
66 * global list. 66 * global list.
67 */ 67 */
@@ -148,13 +148,14 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
148 * @from: Previous PCI device found in search, or %NULL for new search. 148 * @from: Previous PCI device found in search, or %NULL for new search.
149 * 149 *
150 * Iterates through the list of known PCI devices. If a PCI device is 150 * Iterates through the list of known PCI devices. If a PCI device is
151 * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its 151 * found with a matching @vendor, @device, @ss_vendor and @ss_device, a
152 * device structure is returned. Otherwise, %NULL is returned. 152 * pointer to its device structure is returned. Otherwise, %NULL is returned.
153 * A new search is initiated by passing %NULL to the @from argument. 153 * A new search is initiated by passing %NULL as the @from argument.
154 * Otherwise if @from is not %NULL, searches continue from next device on the global list. 154 * Otherwise if @from is not %NULL, searches continue from next device
155 * on the global list.
155 * 156 *
156 * NOTE: Do not use this function anymore, use pci_get_subsys() instead, as 157 * NOTE: Do not use this function any more; use pci_get_subsys() instead, as
157 * the pci device returned by this function can disappear at any moment in 158 * the PCI device returned by this function can disappear at any moment in
158 * time. 159 * time.
159 */ 160 */
160static struct pci_dev * pci_find_subsys(unsigned int vendor, 161static struct pci_dev * pci_find_subsys(unsigned int vendor,
@@ -191,14 +192,15 @@ exit:
191 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids 192 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
192 * @from: Previous PCI device found in search, or %NULL for new search. 193 * @from: Previous PCI device found in search, or %NULL for new search.
193 * 194 *
194 * Iterates through the list of known PCI devices. If a PCI device is 195 * Iterates through the list of known PCI devices. If a PCI device is found
195 * found with a matching @vendor and @device, a pointer to its device structure is 196 * with a matching @vendor and @device, a pointer to its device structure is
196 * returned. Otherwise, %NULL is returned. 197 * returned. Otherwise, %NULL is returned.
197 * A new search is initiated by passing %NULL to the @from argument. 198 * A new search is initiated by passing %NULL as the @from argument.
198 * Otherwise if @from is not %NULL, searches continue from next device on the global list. 199 * Otherwise if @from is not %NULL, searches continue from next device
200 * on the global list.
199 * 201 *
200 * NOTE: Do not use this function anymore, use pci_get_device() instead, as 202 * NOTE: Do not use this function any more; use pci_get_device() instead, as
201 * the pci device returned by this function can disappear at any moment in 203 * the PCI device returned by this function can disappear at any moment in
202 * time. 204 * time.
203 */ 205 */
204struct pci_dev * 206struct pci_dev *
@@ -215,11 +217,11 @@ pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *
215 * @ss_device: PCI subsystem device id to match, or %PCI_ANY_ID to match all device ids 217 * @ss_device: PCI subsystem device id to match, or %PCI_ANY_ID to match all device ids
216 * @from: Previous PCI device found in search, or %NULL for new search. 218 * @from: Previous PCI device found in search, or %NULL for new search.
217 * 219 *
218 * Iterates through the list of known PCI devices. If a PCI device is 220 * Iterates through the list of known PCI devices. If a PCI device is found
219 * found with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its 221 * with a matching @vendor, @device, @ss_vendor and @ss_device, a pointer to its
220 * device structure is returned, and the reference count to the device is 222 * device structure is returned, and the reference count to the device is
221 * incremented. Otherwise, %NULL is returned. A new search is initiated by 223 * incremented. Otherwise, %NULL is returned. A new search is initiated by
222 * passing %NULL to the @from argument. Otherwise if @from is not %NULL, 224 * passing %NULL as the @from argument. Otherwise if @from is not %NULL,
223 * searches continue from next device on the global list. 225 * searches continue from next device on the global list.
224 * The reference count for @from is always decremented if it is not %NULL. 226 * The reference count for @from is always decremented if it is not %NULL.
225 */ 227 */
@@ -262,7 +264,7 @@ exit:
262 * found with a matching @vendor and @device, the reference count to the 264 * found with a matching @vendor and @device, the reference count to the
263 * device is incremented and a pointer to its device structure is returned. 265 * device is incremented and a pointer to its device structure is returned.
264 * Otherwise, %NULL is returned. A new search is initiated by passing %NULL 266 * Otherwise, %NULL is returned. A new search is initiated by passing %NULL
265 * to the @from argument. Otherwise if @from is not %NULL, searches continue 267 * as the @from argument. Otherwise if @from is not %NULL, searches continue
266 * from next device on the global list. The reference count for @from is 268 * from next device on the global list. The reference count for @from is
267 * always decremented if it is not %NULL. 269 * always decremented if it is not %NULL.
268 */ 270 */
@@ -279,11 +281,13 @@ pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from)
279 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids 281 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
280 * @from: Previous PCI device found in search, or %NULL for new search. 282 * @from: Previous PCI device found in search, or %NULL for new search.
281 * 283 *
282 * Iterates through the list of known PCI devices in the reverse order of pci_find_device(). 284 * Iterates through the list of known PCI devices in the reverse order of
285 * pci_find_device().
283 * If a PCI device is found with a matching @vendor and @device, a pointer to 286 * If a PCI device is found with a matching @vendor and @device, a pointer to
284 * its device structure is returned. Otherwise, %NULL is returned. 287 * its device structure is returned. Otherwise, %NULL is returned.
285 * A new search is initiated by passing %NULL to the @from argument. 288 * A new search is initiated by passing %NULL as the @from argument.
286 * Otherwise if @from is not %NULL, searches continue from previous device on the global list. 289 * Otherwise if @from is not %NULL, searches continue from previous device
290 * on the global list.
287 */ 291 */
288struct pci_dev * 292struct pci_dev *
289pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct pci_dev *from) 293pci_find_device_reverse(unsigned int vendor, unsigned int device, const struct pci_dev *from)
@@ -317,7 +321,7 @@ exit:
317 * found with a matching @class, the reference count to the device is 321 * found with a matching @class, the reference count to the device is
318 * incremented and a pointer to its device structure is returned. 322 * incremented and a pointer to its device structure is returned.
319 * Otherwise, %NULL is returned. 323 * Otherwise, %NULL is returned.
320 * A new search is initiated by passing %NULL to the @from argument. 324 * A new search is initiated by passing %NULL as the @from argument.
321 * Otherwise if @from is not %NULL, searches continue from next device 325 * Otherwise if @from is not %NULL, searches continue from next device
322 * on the global list. The reference count for @from is always decremented 326 * on the global list. The reference count for @from is always decremented
323 * if it is not %NULL. 327 * if it is not %NULL.