| 1 | --- a/drivers/net/wireless/ath/ath9k/hw.c |
| 2 | +++ b/drivers/net/wireless/ath/ath9k/hw.c |
| 3 | @@ -1007,31 +1007,35 @@ void ath9k_hw_init_global_settings(struc |
| 4 | if (IS_CHAN_HALF_RATE(chan)) { |
| 5 | eifs = 175; |
| 6 | |
| 7 | - if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 8 | + if (!AR_SREV_9300_20_OR_LATER(ah)) { |
| 9 | rx_lat = 10; |
| 10 | - else |
| 11 | + sifstime = 8; |
| 12 | + } else { |
| 13 | rx_lat *= 2; |
| 14 | + sifstime = 32; |
| 15 | + } |
| 16 | |
| 17 | tx_lat *= 2; |
| 18 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
| 19 | tx_lat += 11; |
| 20 | |
| 21 | slottime = 13; |
| 22 | - sifstime = 32; |
| 23 | } else if (IS_CHAN_QUARTER_RATE(chan)) { |
| 24 | eifs = 340; |
| 25 | |
| 26 | - if (!AR_SREV_9300_20_OR_LATER(ah)) |
| 27 | + if (!AR_SREV_9300_20_OR_LATER(ah)) { |
| 28 | rx_lat = 20; |
| 29 | - else |
| 30 | + sifstime = 8; |
| 31 | + } else { |
| 32 | rx_lat = (rx_lat * 4) - 1; |
| 33 | + sifstime = 64; |
| 34 | + } |
| 35 | |
| 36 | tx_lat *= 4; |
| 37 | if (IS_CHAN_A_FAST_CLOCK(ah, chan)) |
| 38 | tx_lat += 22; |
| 39 | |
| 40 | slottime = 21; |
| 41 | - sifstime = 64; |
| 42 | } else { |
| 43 | if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { |
| 44 | eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO; |
| 45 | |
