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: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -531,17 +531,18 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
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/* TODO: byte swap on big endian for ar9300_10 */
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if ((rxsp->status11 & AR_RxDone) == 0)
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return -EINPROGRESS;
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if (!rxs) {
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if ((rxsp->status11 & AR_RxDone) == 0)
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return -EINPROGRESS;
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if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
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return -EINVAL;
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if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
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return -EINVAL;
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if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
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return -EINPROGRESS;
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if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
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return -EINPROGRESS;
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if (!rxs)
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return 0;
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}
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rxs->rs_status = 0;
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rxs->rs_flags = 0;
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