diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/desc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath5k/desc.c b/drivers/net/wireless/ath/ath5k/desc.c index 0391813befd..dd7cd95c364 100644 --- a/drivers/net/wireless/ath/ath5k/desc.c +++ b/drivers/net/wireless/ath/ath5k/desc.c @@ -184,6 +184,11 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, { struct ath5k_hw_4w_tx_ctl *tx_ctl; unsigned int frame_len; + + /* + * Use local variables for these to reduce load/store access on + * uncached memory + */ u32 txctl0 = 0, txctl1 = 0, txctl2 = 0, txctl3 = 0; tx_ctl = &desc->ud.ds_tx5212.tx_ctl; @@ -209,7 +214,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, if (tx_power > AR5K_TUNE_MAX_TXPOWER) tx_power = AR5K_TUNE_MAX_TXPOWER; - /* Clear descriptor */ + /* Clear descriptor status area */ memset(&desc->ud.ds_tx5212.tx_stat, 0, sizeof(desc->ud.ds_tx5212.tx_stat)); |