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Commit cca1fe1a authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
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ath9k_hw: Optimize rx descriptor processing for AR9003 



No need to process RxDone and ds_info status again in case
valid rx status is given.

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0f9dc298

drivers/net/wireless/ath/ath9k/ar9003_mac.c

+8 −7
Original line number Diff line number Diff line
@@ -531,6 +531,7 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, 


	/* TODO: byte swap on big endian for ar9300_10 */



	if (!rxs) {

		if ((rxsp->status11 & AR_RxDone) == 0)

			return -EINPROGRESS;
@@ -540,8 +541,8 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, 
		if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)

			return -EINPROGRESS;



	if (!rxs)

		return 0;

	}



	rxs->rs_status = 0;

	rxs->rs_flags =  0;