ath5k: Correct usage of AR5K_CFG_ADHOC

This corrects usage of AR5K_CFG_ADHOC introduced in
"ath5k: Update PCU code". Also,
the name of the indicator is changed to AR5K_CFG_IBSS to more
accurately reflect its function. This change restores
beaconing in AP and mesh modes.
Signed-off-by: Steve Brown <sbrown@cortland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath5k/pcu.c

@@ -65,7 +65,7 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah)
 		if (ah->ah_version == AR5K_AR5210)
 			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
 		else
-			AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_ADHOC);
+			AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
 		break;
 
 	case NL80211_IFTYPE_AP:
@@ -75,7 +75,7 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah)
 		if (ah->ah_version == AR5K_AR5210)
 			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
 		else
-			AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_ADHOC);
+			AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
 		break;
 
 	case NL80211_IFTYPE_STATION:

drivers/net/wireless/ath5k/reg.h

@@ -73,7 +73,7 @@
 #define	AR5K_CFG_SWRD		0x00000004	/* Byte-swap RX descriptor */
 #define	AR5K_CFG_SWRB		0x00000008	/* Byte-swap RX buffer */
 #define	AR5K_CFG_SWRG		0x00000010	/* Byte-swap Register access */
-#define AR5K_CFG_ADHOC		0x00000020 	/* AP/Adhoc indication [5211+] */
+#define AR5K_CFG_IBSS		0x00000020 	/* 0-BSS, 1-IBSS [5211+] */
 #define AR5K_CFG_PHY_OK		0x00000100	/* [5211+] */
 #define AR5K_CFG_EEBS		0x00000200	/* EEPROM is busy */
 #define	AR5K_CFG_CLKGD		0x00000400	/* Clock gated (Disable dynamic clock) */