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authorRafał Miłecki <zajec5@gmail.com>2011-07-20 14:02:39 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-07-22 09:51:14 -0400
commit24aad3f4c8a5c0a7514733fb9fa70994e24a5707 (patch)
tree3a540538cd43c7d1800304e31b17454a60a9bd28 /drivers
parenteb90e9e85c36dd2dd730d2eacec74db84491033d (diff)
b43: (un)initialize driver on the BCMA bus
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/b43/main.c48
1 files changed, 44 insertions, 4 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 269483a52b3c..d9f53b791b21 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -5235,19 +5235,59 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
5235static int b43_bcma_probe(struct bcma_device *core) 5235static int b43_bcma_probe(struct bcma_device *core)
5236{ 5236{
5237 struct b43_bus_dev *dev; 5237 struct b43_bus_dev *dev;
5238 struct b43_wl *wl;
5239 int err;
5238 5240
5239 dev = b43_bus_dev_bcma_init(core); 5241 dev = b43_bus_dev_bcma_init(core);
5240 if (!dev) 5242 if (!dev)
5241 return -ENODEV; 5243 return -ENODEV;
5242 5244
5243 b43err(NULL, "BCMA is not supported yet!"); 5245 wl = b43_wireless_init(dev);
5244 kfree(dev); 5246 if (IS_ERR(wl)) {
5245 return -EOPNOTSUPP; 5247 err = PTR_ERR(wl);
5248 goto bcma_out;
5249 }
5250
5251 err = b43_one_core_attach(dev, wl);
5252 if (err)
5253 goto bcma_err_wireless_exit;
5254
5255 err = ieee80211_register_hw(wl->hw);
5256 if (err)
5257 goto bcma_err_one_core_detach;
5258 b43_leds_register(wl->current_dev);
5259
5260bcma_out:
5261 return err;
5262
5263bcma_err_one_core_detach:
5264 b43_one_core_detach(dev);
5265bcma_err_wireless_exit:
5266 ieee80211_free_hw(wl->hw);
5267 return err;
5246} 5268}
5247 5269
5248static void b43_bcma_remove(struct bcma_device *core) 5270static void b43_bcma_remove(struct bcma_device *core)
5249{ 5271{
5250 /* TODO */ 5272 struct b43_wldev *wldev = bcma_get_drvdata(core);
5273 struct b43_wl *wl = wldev->wl;
5274
5275 /* We must cancel any work here before unregistering from ieee80211,
5276 * as the ieee80211 unreg will destroy the workqueue. */
5277 cancel_work_sync(&wldev->restart_work);
5278
5279 /* Restore the queues count before unregistering, because firmware detect
5280 * might have modified it. Restoring is important, so the networking
5281 * stack can properly free resources. */
5282 wl->hw->queues = wl->mac80211_initially_registered_queues;
5283 b43_leds_stop(wldev);
5284 ieee80211_unregister_hw(wl->hw);
5285
5286 b43_one_core_detach(wldev->dev);
5287
5288 b43_leds_unregister(wl);
5289
5290 ieee80211_free_hw(wl->hw);
5251} 5291}
5252 5292
5253static struct bcma_driver b43_bcma_driver = { 5293static struct bcma_driver b43_bcma_driver = {