diff options
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/phy.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c index 89deca37a988..b6b0de600506 100644 --- a/drivers/net/wireless/ath/carl9170/phy.c +++ b/drivers/net/wireless/ath/carl9170/phy.c @@ -1029,8 +1029,6 @@ static int carl9170_init_rf_bank4_pwr(struct ar9170 *ar, bool band5ghz, if (err) return err; - msleep(20); - return 0; } @@ -1554,15 +1552,6 @@ static int carl9170_set_power_cal(struct ar9170 *ar, u32 freq, return carl9170_regwrite_result(); } -/* TODO: replace this with sign_extend32(noise, 8) */ -static int carl9170_calc_noise_dbm(u32 raw_noise) -{ - if (raw_noise & 0x100) - return ~0x1ff | raw_noise; - else - return raw_noise; -} - int carl9170_get_noisefloor(struct ar9170 *ar) { static const u32 phy_regs[] = { @@ -1578,11 +1567,11 @@ int carl9170_get_noisefloor(struct ar9170 *ar) return err; for (i = 0; i < 2; i++) { - ar->noise[i] = carl9170_calc_noise_dbm( - (phy_res[i] >> 19) & 0x1ff); + ar->noise[i] = sign_extend32(GET_VAL( + AR9170_PHY_CCA_MIN_PWR, phy_res[i]), 8); - ar->noise[i + 2] = carl9170_calc_noise_dbm( - (phy_res[i + 2] >> 23) & 0x1ff); + ar->noise[i + 2] = sign_extend32(GET_VAL( + AR9170_PHY_EXT_CCA_MIN_PWR, phy_res[i + 2]), 8); } return 0; @@ -1669,12 +1658,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, return err; cmd = CARL9170_CMD_RF_INIT; - - msleep(100); - - err = carl9170_echo_test(ar, 0xaabbccdd); - if (err) - return err; } else { cmd = CARL9170_CMD_FREQUENCY; } @@ -1685,6 +1668,8 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE, 0x200); + if (err) + return err; err = carl9170_init_rf_bank4_pwr(ar, channel->band == IEEE80211_BAND_5GHZ, |