b43: bus: add helpers for getting/setting wldev from/in bus core

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/bus.c

@@ -225,3 +225,32 @@ struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
 	return dev;
 }
 #endif /* CONFIG_B43_SSB */
+
+void *b43_bus_get_wldev(struct b43_bus_dev *dev)
+{
+	switch (dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		return bcma_get_drvdata(dev->bdev);
+#endif
+#ifdef CONFIG_B43_SSB
+	case B43_BUS_SSB:
+		return ssb_get_drvdata(dev->sdev);
+#endif
+	}
+	return NULL;
+}
+
+void b43_bus_set_wldev(struct b43_bus_dev *dev, void *wldev)
+{
+	switch (dev->bus_type) {
+#ifdef CONFIG_B43_BCMA
+	case B43_BUS_BCMA:
+		bcma_set_drvdata(dev->bdev, wldev);
+#endif
+#ifdef CONFIG_B43_SSB
+	case B43_BUS_SSB:
+		ssb_set_drvdata(dev->sdev, wldev);
+#endif
+	}
+}

drivers/net/wireless/b43/bus.h

@@ -64,4 +64,7 @@ static inline bool b43_bus_host_is_sdio(struct b43_bus_dev *dev)
 struct b43_bus_dev *b43_bus_dev_bcma_init(struct bcma_device *core);
 struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);
 
+void *b43_bus_get_wldev(struct b43_bus_dev *dev);
+void b43_bus_set_wldev(struct b43_bus_dev *dev, void *data);
+
 #endif /* B43_BUS_H_ */

drivers/net/wireless/b43/main.c

@@ -5000,13 +5000,13 @@ static void b43_one_core_detach(struct b43_bus_dev *dev)
 	/* Do not cancel ieee80211-workqueue based work here.
 	 * See comment in b43_remove(). */
 
-	wldev = ssb_get_drvdata(dev->sdev);
+	wldev = b43_bus_get_wldev(dev);
 	wl = wldev->wl;
 	b43_debugfs_remove_device(wldev);
 	b43_wireless_core_detach(wldev);
 	list_del(&wldev->list);
 	wl->nr_devs--;
-	ssb_set_drvdata(dev->sdev, NULL);
+	b43_bus_set_wldev(dev, NULL);
 	kfree(wldev);
 }
 
@@ -5032,7 +5032,7 @@ static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl)
 
 	list_add(&wldev->list, &wl->devlist);
 	wl->nr_devs++;
-	ssb_set_drvdata(dev->sdev, wldev);
+	b43_bus_set_wldev(dev, wldev);
 	b43_debugfs_add_device(wldev);
 
       out: