Update ath5k to use the common cycle counters in it's ANI implementation.
Signed-off-by: Bruno Randolf <br1@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath5k/ani.c | 34 ++++++++++++--------------------
drivers/net/wireless/ath/ath5k/ani.h | 5 +----
drivers/net/wireless/ath/ath5k/debug.c | 21 ++++++++++----------
3 files changed, 25 insertions(+), 35 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c
index e4a5f04..67b41d9 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -360,36 +360,28 @@ ath5k_ani_lower_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as)
* Return an approximation of the time spent "listening" in milliseconds (ms)
* since the last call of this function by deducting the cycles spent
* transmitting and receiving from the total cycle count.
- * Save profile count values for debugging/statistics and because we might want
- * to use them later.
- *
- * We assume no one else clears these registers!
*/
static int
ath5k_hw_ani_get_listen_time(struct ath5k_hw *ah, struct ath5k_ani_state *as)
{
+ struct ath_common *common = ath5k_hw_common(ah);
int listen;
- /* freeze */
- ath5k_hw_reg_write(ah, AR5K_MIBC_FMC, AR5K_MIBC);
- /* read */
- as->pfc_cycles = ath5k_hw_reg_read(ah, AR5K_PROFCNT_CYCLE);
- as->pfc_busy = ath5k_hw_reg_read(ah, AR5K_PROFCNT_RXCLR);
- as->pfc_tx = ath5k_hw_reg_read(ah, AR5K_PROFCNT_TX);
- as->pfc_rx = ath5k_hw_reg_read(ah, AR5K_PROFCNT_RX);
- /* clear */
- ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_TX);
- ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_RX);
- ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_RXCLR);
- ath5k_hw_reg_write(ah, 0, AR5K_PROFCNT_CYCLE);
- /* un-freeze */
- ath5k_hw_reg_write(ah, 0, AR5K_MIBC);
+ ath_hw_cycle_counters_lock(common);
+ ath_hw_cycle_counters_update(common);
/* TODO: where does 44000 come from? (11g clock rate?) */
- listen = (as->pfc_cycles - as->pfc_rx - as->pfc_tx) / 44000;
+ listen = (common->cc_ani.cycles - common->cc_ani.rx_frame -
+ common->cc_ani.tx_frame) / 44000;
+
+ if (common->cc_ani.cycles == 0 || listen < 0)
+ listen = 0;
+
+ memcpy(&as->last_cc, &common->cc_ani, sizeof(struct ath_cycle_counters));
+ memset(&common->cc_ani, 0, sizeof(struct ath_cycle_counters));
+
+ ath_hw_cycle_counters_unlock(common);
- if (as->pfc_cycles == 0 || listen < 0)
- return 0;
return listen;
}
diff --git a/drivers/net/wireless/ath/ath5k/ani.h b/drivers/net/wireless/ath/ath5k/ani.h
index 55cf26d..d0a6640 100644
--- a/drivers/net/wireless/ath/ath5k/ani.h
+++ b/drivers/net/wireless/ath/ath5k/ani.h
@@ -75,10 +75,7 @@ struct ath5k_ani_state {
unsigned int cck_errors;
/* debug/statistics only: numbers from last ANI calibration */
- unsigned int pfc_tx;
- unsigned int pfc_rx;
- unsigned int pfc_busy;
- unsigned int pfc_cycles;
+ struct ath_cycle_counters last_cc;
unsigned int last_listen;
unsigned int last_ofdm_errors;
unsigned int last_cck_errors;
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 0f06e84..f0f8e43 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -711,20 +711,21 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf,
len += snprintf(buf+len, sizeof(buf)-len,
"beacon RSSI average:\t%d\n",
sc->ah->ah_beacon_rssi_avg.avg);
+
+#define CC_PRINT(_struct, _field) \
+ _struct._field, \
+ _struct.cycles > 0 ? \
+ _struct._field*100/_struct.cycles : 0
+
len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
- as->pfc_tx,
- as->pfc_cycles > 0 ?
- as->pfc_tx*100/as->pfc_cycles : 0);
+ CC_PRINT(as->last_cc, tx_frame));
len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
- as->pfc_rx,
- as->pfc_cycles > 0 ?
- as->pfc_rx*100/as->pfc_cycles : 0);
+ CC_PRINT(as->last_cc, rx_frame));
len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
- as->pfc_busy,
- as->pfc_cycles > 0 ?
- as->pfc_busy*100/as->pfc_cycles : 0);
+ CC_PRINT(as->last_cc, rx_busy));
+#undef CC_PRINT
len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
- as->pfc_cycles);
+ as->last_cc.cycles);
len += snprintf(buf+len, sizeof(buf)-len,
"listen time\t\t%d\tlast: %d\n",
as->listen_time, as->last_listen);
--
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