diff options
| author | Rajkumar Manoharan <rmanohar@qca.qualcomm.com> | 2011-07-29 17:38:16 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-09 15:51:58 -0400 |
| commit | cca1fe1aedefede896b3ff2cc1a2493fa0d0035c (patch) | |
| tree | a995a822df30831b8b1ca9c535eaf4463eac7ff8 | |
| parent | 0f9dc298215ed96383378eca1a6f63a1d190f44a (diff) | |
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>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mac.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index 8ff0b88a29b9..1aadc4757e67 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -531,17 +531,18 @@ 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 ((rxsp->status11 & AR_RxDone) == 0) - return -EINPROGRESS; + if (!rxs) { + if ((rxsp->status11 & AR_RxDone) == 0) + return -EINPROGRESS; - if (MS(rxsp->ds_info, AR_DescId) != 0x168c) - return -EINVAL; + if (MS(rxsp->ds_info, AR_DescId) != 0x168c) + return -EINVAL; - if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0) - return -EINPROGRESS; + if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0) + return -EINPROGRESS; - if (!rxs) return 0; + } rxs->rs_status = 0; rxs->rs_flags = 0; |