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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-01-19 11:22:54 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-01-19 11:22:54 +0000
commita1926d1745114789687ac029ae8c58944b7d2256 (patch)
treec303e75615e378451a80b97bfd2c1ba54029d9bb /drivers/net/wireless/ath/carl9170/phy.c
parent492e917635a0fa05439bb562fd51577efc9cef30 (diff)
parent52fc43f7c1c416b114e88ff39635c36e67ef15b6 (diff)
Merge branch 'for-2.6.38' into for-2.6.39
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/phy.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/phy.c27
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 89deca37a98..b6b0de60050 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,