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ath9k: We don't support non-HT devices, so remove superfluous code. 

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2008-11-18 09:06:18 +05:30 committed by John W. Linville
parent be0418ada3
commit ffd651c620
1 changed files with 0 additions and 39 deletions
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39
drivers/net/wireless/ath9k/xmit.c
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@ -14,10 +14,6 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Implementation of transmit path.
*/
#include "core.h"
#define BITS_PER_BYTE 8
@ -698,41 +694,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
}
/*
* For non-HT devices, calculate RTS/CTS duration in software
* and disable multi-rate retry.
*/
if (flags && !(ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)) {
/*
* Compute the transmit duration based on the frame
* size and the size of an ACK frame. We call into the
* HAL to do the computation since it depends on the
* characteristics of the actual PHY being used.
*
* NB: CTS is assumed the same size as an ACK so we can
* use the precalculated ACK durations.
*/
if (flags & ATH9K_TXDESC_RTSENA) { /* SIFS + CTS */
ctsduration += bf_isshpreamble(bf) ?
rt->info[cix].spAckDuration :
rt->info[cix].lpAckDuration;
}
ctsduration += series[0].PktDuration;
if ((bf->bf_flags & ATH9K_TXDESC_NOACK) == 0) { /* SIFS + ACK */
ctsduration += bf_isshpreamble(bf) ?
rt->info[rix].spAckDuration :
rt->info[rix].lpAckDuration;
}
/*
* Disable multi-rate retry when using RTS/CTS by clearing
* series 1, 2 and 3.
*/
memset(&series[1], 0, sizeof(struct ath9k_11n_rate_series) * 3);
}
/*
* set dur_update_en for l-sig computation except for PS-Poll frames
*/