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authorChristian Lamparter <chunkeey@googlemail.com>2010-09-17 22:42:37 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-09-21 11:05:21 -0400
commit9adc9e0ff397fb2d4f383cc2d399b18adc32e6eb (patch)
tree64b9b6ef3ce64dbc179df66414ed0bb6d047e7ce
parente278c5a90368408bd191743e7c6f978f068f4b8d (diff)
downloadop-kernel-dev-9adc9e0ff397fb2d4f383cc2d399b18adc32e6eb.zip
op-kernel-dev-9adc9e0ff397fb2d4f383cc2d399b18adc32e6eb.tar.gz
carl9170: don't load bogus nf of chain 1
According to Atheros, chain 1 is not connected. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/carl9170/carl9170.h2
-rw-r--r--drivers/net/wireless/ath/carl9170/debug.c8
-rw-r--r--drivers/net/wireless/ath/carl9170/phy.c11
3 files changed, 9 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index 9f1d603..d43675a 100644
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -321,7 +321,7 @@ struct ar9170 {
/* PHY */
struct ieee80211_channel *channel;
- int noise[6];
+ int noise[4];
unsigned int chan_fail;
unsigned int total_chan_fail;
u8 heavy_clip;
diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c
index 3e9b0e8..19b4836 100644
--- a/drivers/net/wireless/ath/carl9170/debug.c
+++ b/drivers/net/wireless/ath/carl9170/debug.c
@@ -436,12 +436,10 @@ static char *carl9170_debugfs_phy_noise_read(struct ar9170 *ar, char *buf,
return buf;
}
- ADD(buf, *len, bufsize, "Chain 1: %10d dBm, ext. chan.:%10d dBm\n",
- ar->noise[1], ar->noise[4]);
+ ADD(buf, *len, bufsize, "Chain 0: %10d dBm, ext. chan.:%10d dBm\n",
+ ar->noise[0], ar->noise[2]);
ADD(buf, *len, bufsize, "Chain 2: %10d dBm, ext. chan.:%10d dBm\n",
- ar->noise[2], ar->noise[5]);
- ADD(buf, *len, bufsize, "Combined %10d dBm, ext. chan.:%10d dBm\n",
- ar->noise[0], ar->noise[3]);
+ ar->noise[1], ar->noise[3]);
return buf;
}
diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c
index 7df8f71..fa349b8 100644
--- a/drivers/net/wireless/ath/carl9170/phy.c
+++ b/drivers/net/wireless/ath/carl9170/phy.c
@@ -1566,9 +1566,8 @@ static int carl9170_calc_noise_dbm(u32 raw_noise)
int carl9170_get_noisefloor(struct ar9170 *ar)
{
static const u32 phy_regs[] = {
- AR9170_PHY_REG_CCA, AR9170_PHY_REG_CH1_CCA,
- AR9170_PHY_REG_CH2_CCA, AR9170_PHY_REG_EXT_CCA,
- AR9170_PHY_REG_CH1_EXT_CCA, AR9170_PHY_REG_CH2_EXT_CCA };
+ AR9170_PHY_REG_CCA, AR9170_PHY_REG_CH2_CCA,
+ AR9170_PHY_REG_EXT_CCA, AR9170_PHY_REG_CH2_EXT_CCA };
u32 phy_res[ARRAY_SIZE(phy_regs)];
int err, i;
@@ -1578,12 +1577,12 @@ int carl9170_get_noisefloor(struct ar9170 *ar)
if (err)
return err;
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < 2; i++) {
ar->noise[i] = carl9170_calc_noise_dbm(
(phy_res[i] >> 19) & 0x1ff);
- ar->noise[i + 3] = carl9170_calc_noise_dbm(
- (phy_res[i + 3] >> 23) & 0x1ff);
+ ar->noise[i + 2] = carl9170_calc_noise_dbm(
+ (phy_res[i + 2] >> 23) & 0x1ff);
}
return 0;
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