reviewed beacon timer initialization with register traces from madwifi: what we
are doing is correct :). one minor fix: use 3 instead of 0x00000003 - it's more
readable.
drivers/net/wireless/ath5k/hw.c:        Changes-licensed-under: ISC
Signed-off-by: Bruno Randolf <bruno@thinktube.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                break;
 
        default:
-               timer1 = (next_beacon - AR5K_TUNE_DMA_BEACON_RESP) <<
-                   0x00000003;
-               timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) <<
-                   0x00000003;
+               timer1 = (next_beacon - AR5K_TUNE_DMA_BEACON_RESP) << 3;
+               timer2 = (next_beacon - AR5K_TUNE_SW_BEACON_RESP) << 3;
        }
 
        timer3 = next_beacon + (ah->ah_atim_window ? ah->ah_atim_window : 1);