ath5k: report PHY error frames only for chips which need it

Only report PHY error frames for ANI on chipsets which do not have PHY error
counters in hardware.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath5k/desc.c

@@ -651,7 +651,8 @@ static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah,
 			rs->rs_status |= AR5K_RXERR_PHY;
 			rs->rs_phyerr = AR5K_REG_MS(rx_status->rx_status_1,
 				AR5K_5212_RX_DESC_STATUS1_PHY_ERROR_CODE);
-			ath5k_ani_phy_error_report(ah, rs->rs_phyerr);
+			if (!ah->ah_capabilities.cap_has_phyerr_counters)
+				ath5k_ani_phy_error_report(ah, rs->rs_phyerr);
 		}
 
 		if (rx_status->rx_status_1 &