diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pnp/card.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index fae28913f459..3b48aef8f4eb 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c | |||
@@ -197,33 +197,34 @@ int pnp_add_card(struct pnp_card *card) | |||
197 | card->dev.bus = NULL; | 197 | card->dev.bus = NULL; |
198 | card->dev.release = &pnp_release_card; | 198 | card->dev.release = &pnp_release_card; |
199 | error = device_register(&card->dev); | 199 | error = device_register(&card->dev); |
200 | 200 | if (error) { | |
201 | if (error == 0) { | ||
202 | pnp_interface_attach_card(card); | ||
203 | spin_lock(&pnp_lock); | ||
204 | list_add_tail(&card->global_list, &pnp_cards); | ||
205 | list_add_tail(&card->protocol_list, &card->protocol->cards); | ||
206 | spin_unlock(&pnp_lock); | ||
207 | |||
208 | /* we wait until now to add devices in order to ensure the drivers | ||
209 | * will be able to use all of the related devices on the card | ||
210 | * without waiting any unresonable length of time */ | ||
211 | list_for_each(pos, &card->devices) { | ||
212 | struct pnp_dev *dev = card_to_pnp_dev(pos); | ||
213 | __pnp_add_device(dev); | ||
214 | } | ||
215 | |||
216 | /* match with card drivers */ | ||
217 | list_for_each_safe(pos, temp, &pnp_card_drivers) { | ||
218 | struct pnp_card_driver *drv = | ||
219 | list_entry(pos, struct pnp_card_driver, | ||
220 | global_list); | ||
221 | card_probe(card, drv); | ||
222 | } | ||
223 | } else | ||
224 | pnp_err("sysfs failure, card '%s' will be unavailable", | 201 | pnp_err("sysfs failure, card '%s' will be unavailable", |
225 | card->dev.bus_id); | 202 | card->dev.bus_id); |
226 | return error; | 203 | return error; |
204 | } | ||
205 | |||
206 | pnp_interface_attach_card(card); | ||
207 | spin_lock(&pnp_lock); | ||
208 | list_add_tail(&card->global_list, &pnp_cards); | ||
209 | list_add_tail(&card->protocol_list, &card->protocol->cards); | ||
210 | spin_unlock(&pnp_lock); | ||
211 | |||
212 | /* we wait until now to add devices in order to ensure the drivers | ||
213 | * will be able to use all of the related devices on the card | ||
214 | * without waiting an unreasonable length of time */ | ||
215 | list_for_each(pos, &card->devices) { | ||
216 | struct pnp_dev *dev = card_to_pnp_dev(pos); | ||
217 | __pnp_add_device(dev); | ||
218 | } | ||
219 | |||
220 | /* match with card drivers */ | ||
221 | list_for_each_safe(pos, temp, &pnp_card_drivers) { | ||
222 | struct pnp_card_driver *drv = | ||
223 | list_entry(pos, struct pnp_card_driver, | ||
224 | global_list); | ||
225 | card_probe(card, drv); | ||
226 | } | ||
227 | return 0; | ||
227 | } | 228 | } |
228 | 229 | ||
229 | /** | 230 | /** |
@@ -291,14 +292,15 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, | |||
291 | struct pnp_card *card; | 292 | struct pnp_card *card; |
292 | 293 | ||
293 | if (!clink || !id) | 294 | if (!clink || !id) |
294 | goto done; | 295 | return NULL; |
296 | |||
295 | card = clink->card; | 297 | card = clink->card; |
296 | drv = clink->driver; | 298 | drv = clink->driver; |
297 | if (!from) { | 299 | if (!from) { |
298 | pos = card->devices.next; | 300 | pos = card->devices.next; |
299 | } else { | 301 | } else { |
300 | if (from->card != card) | 302 | if (from->card != card) |
301 | goto done; | 303 | return NULL; |
302 | pos = from->card_list.next; | 304 | pos = from->card_list.next; |
303 | } | 305 | } |
304 | while (pos != &card->devices) { | 306 | while (pos != &card->devices) { |
@@ -308,7 +310,6 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, | |||
308 | pos = pos->next; | 310 | pos = pos->next; |
309 | } | 311 | } |
310 | 312 | ||
311 | done: | ||
312 | return NULL; | 313 | return NULL; |
313 | 314 | ||
314 | found: | 315 | found: |