diff options
| author | Oleksij Rempel <linux@rempel-privat.de> | 2015-03-22 19:29:53 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-30 11:31:31 +0300 |
| commit | 9c05babd933e1c4a811867c4d5aa170d788eeaf9 (patch) | |
| tree | df3c6e50fd6fa870c66e525a8d31c2fc24bc544a /drivers/net/wireless/ath/ath9k/ani.c | |
| parent | 03822782e8293db08f28507b85588656ff02f354 (diff) | |
ath9k: use one shot read in ath9k_hw_update_mibstats
this will reduce some overhead on usb bus.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ani.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ani.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index ca01d17d130f..25e45e4d1a60 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -107,11 +107,21 @@ static const struct ani_cck_level_entry cck_level_table[] = { static void ath9k_hw_update_mibstats(struct ath_hw *ah, struct ath9k_mib_stats *stats) { - stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL); - stats->rts_bad += REG_READ(ah, AR_RTS_FAIL); - stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL); - stats->rts_good += REG_READ(ah, AR_RTS_OK); - stats->beacons += REG_READ(ah, AR_BEACON_CNT); + u32 addr[5] = {AR_RTS_OK, AR_RTS_FAIL, AR_ACK_FAIL, + AR_FCS_FAIL, AR_BEACON_CNT}; + u32 data[5]; + + REG_READ_MULTI(ah, &addr[0], &data[0], 5); + /* AR_RTS_OK */ + stats->rts_good += data[0]; + /* AR_RTS_FAIL */ + stats->rts_bad += data[1]; + /* AR_ACK_FAIL */ + stats->ackrcv_bad += data[2]; + /* AR_FCS_FAIL */ + stats->fcs_bad += data[3]; + /* AR_BEACON_CNT */ + stats->beacons += data[4]; } static void ath9k_ani_restart(struct ath_hw *ah) |