Eliminate ATH_GET_NETDEV_DEV, it breaks on some CentOS kernels

Instead, use sc->sc_bdev to find the physical device.  sc->sc_bdev is
NULL on AHB and we don't use SET_NETDEV_DEV on AHB anyway, so do it on
PCI only.


git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@4170 0192ed92-7a03-0410-a25b-9323aeb14dbd

ath/if_ath.c

@@ -1493,7 +1493,9 @@ ath_vap_create(struct ieee80211com *ic, const char *name,
 	}
 	if (sc->sc_hastsfadd)
 		ath_hal_settsfadjust(sc->sc_ah, sc->sc_stagbeacons);
-	SET_NETDEV_DEV(dev, ATH_GET_NETDEV_DEV(mdev));
+#ifdef ATH_PCI
+	SET_NETDEV_DEV(dev, &((struct pci_dev *)sc->sc_bdev)->dev);
+#endif
 	/* complete setup */
 	(void) ieee80211_vap_attach(vap,
 		ieee80211_media_change, ieee80211_media_status);

ath/if_athvar.h

@@ -125,12 +125,6 @@ typedef void irqreturn_t;
 #define	SET_NETDEV_DEV(ndev, pdev)
 #endif
 
-#ifdef to_net_dev
-#define ATH_GET_NETDEV_DEV(ndev)	((ndev)->dev.parent)
-#else
-#define ATH_GET_NETDEV_DEV(ndev)	((ndev)->class_dev.dev)
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
 static inline struct net_device *_alloc_netdev(int sizeof_priv, const char *mask,
 					       void (*setup)(struct net_device *))