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32 lines
693 B
32 lines
693 B
--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -1006,16 +1006,26 @@ void ath9k_hw_init_global_settings(struc
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if (IS_CHAN_HALF_RATE(chan)) {
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eifs = 175;
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- rx_lat *= 2;
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+
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+ if (!AR_SREV_9300_20_OR_LATER(ah))
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+ rx_lat = 10;
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+ else
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+ rx_lat *= 2;
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+
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tx_lat *= 2;
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if (IS_CHAN_A_FAST_CLOCK(ah, chan))
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- tx_lat += 11;
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+ tx_lat += 11;
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slottime = 13;
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sifstime = 32;
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} else if (IS_CHAN_QUARTER_RATE(chan)) {
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eifs = 340;
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- rx_lat = (rx_lat * 4) - 1;
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+
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+ if (!AR_SREV_9300_20_OR_LATER(ah))
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+ rx_lat = 20;
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+ else
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+ rx_lat = (rx_lat * 4) - 1;
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+
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tx_lat *= 4;
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if (IS_CHAN_A_FAST_CLOCK(ah, chan))
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tx_lat += 22;
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