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mt76x2: dfs: remove unnecessary mt76x2_dfs_chan_state() routine

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Remove chennel busy-idle logic since it is not used on mt7612-mt7662 based
devices

Signed-off-by: Lorenzo Bianconi <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2017-01-31 11:31:09 +01:00
committed by Felix Fietkau
parent 85d12fea1a
commit 36ad8c3df2
2 changed files with 0 additions and 45 deletions
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mt76x2_dfs.c
-34
View File
@@ -295,32 +295,6 @@ static bool mt76x2_dfs_check_hw_pulse(struct mt76x2_dev *dev,
return ret;
}
static void mt76x2_dfs_chan_state(struct mt76x2_dev *dev)
{
u64 ch_active_time, ch_busy_time;
u32 ch_active_delta, ch_busy_delta;
struct mt76_channel_state *state;
struct cfg80211_chan_def *chandef = &dev->mt76.chandef;
struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
mt76x2_update_channel(&dev->mt76);
state = mt76_channel_state(&dev->mt76, chandef->chan);
spin_lock_bh(&dev->mt76.cc_lock);
ch_active_time = state->cc_active;
ch_busy_time = state->cc_busy;
spin_unlock_bh(&dev->mt76.cc_lock);
ch_active_delta = ch_active_time - dfs_pd->ch_active_time;
ch_busy_delta = ch_busy_time - dfs_pd->ch_busy_time;
dfs_pd->ch_busy = (MT_DFS_FRAC(ch_busy_delta, ch_active_delta) >
MT_DFS_FRAC(80, 100));
dfs_pd->ch_active_time = ch_active_time;
dfs_pd->ch_busy_time = ch_busy_time;
}
void mt76x2_dfs_tasklet(unsigned long arg)
{
struct mt76x2_dev *dev = (struct mt76x2_dev *)arg;
@@ -331,14 +305,6 @@ void mt76x2_dfs_tasklet(unsigned long arg)
if (test_bit(MT76_SCANNING, &dev->mt76.state))
goto out;
if (++dfs_pd->ch_state_cnt > MT_DFS_CH_STATE_INTERVAL) {
dfs_pd->ch_state_cnt = 0;
mt76x2_dfs_chan_state(dev);
}
if (dfs_pd->ch_busy)
goto out;
engine_mask = mt76_rr(dev, MT_BBP(DFS, 1));
if (!(engine_mask & 0xf))
goto out;
mt76x2_dfs.h
-11
View File
@@ -21,13 +21,8 @@
#include <linux/nl80211.h>
#define MT_DFS_GP_INTERVAL (10 << 4) /* 64 us unit */
#define MT_DFS_CH_STATE_INTERVAL 20
#define MT_DFS_NUM_ENGINES 4
/* scaled fraction values */
#define MT_DFS_SCALE 16
#define MT_DFS_FRAC(val, div) (((val) << MT_DFS_SCALE) / div)
/* bbp params */
#define MT_DFS_SYM_ROUND 0
#define MT_DFS_DELTA_DELAY 2
@@ -74,13 +69,7 @@ struct mt76x2_dfs_pattern_detector {
u8 chirp_pulse_cnt;
u32 chirp_pulse_ts;
u16 ch_state_cnt;
u64 ch_active_time;
u64 ch_busy_time;
bool ch_busy;
struct mt76x2_dfs_engine_stats stats[MT_DFS_NUM_ENGINES];
struct tasklet_struct dfs_tasklet;
};