1 --- a/drivers/net/wireless/ath/ath9k/xmit.c
2 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
5 #define HT_LTF(_ns) (4 * (_ns))
6 #define SYMBOL_TIME(_ns) ((_ns) << 2) /* ns * 4 us */
7 -#define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 5) /* ns * 3.6 us */
8 +#define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 6) /* ns * 3.6 us */
9 #define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2)
10 -#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18)
11 +#define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*6)-4)/18)
13 #define OFDM_SIFS_TIME 16