ath10k: configure thermal throttle while powering up

Thermal throttling is not handled in software restart and device
bootup. Also it needs to be configured whenever quiet period got
updated. Fix that.

Reported-by: Matthias Kaehlcke <mka@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 812365c..d684edf 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -2008,6 +2008,7 @@ static ssize_t ath10k_write_quiet_period(struct file *file,
        }
        mutex_lock(&ar->conf_mutex);
        ar->thermal.quiet_period = period;
+       ath10k_thermal_set_throttling(ar);
        mutex_unlock(&ar->conf_mutex);
 
        return count;

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 2409147..60e416e 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3157,6 +3157,7 @@ static int ath10k_start(struct ieee80211_hw *hw)
        ath10k_regd_update(ar);
 
        ath10k_spectral_start(ar);
+       ath10k_thermal_set_throttling(ar);
 
        mutex_unlock(&ar->conf_mutex);
        return 0;

diff --git a/drivers/net/wireless/ath/ath10k/thermal.c b/drivers/net/wireless/ath/ath10k/thermal.c
index dc0ebf3..8640f41 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/thermal.c
+++ b/drivers/net/wireless/ath/ath10k/thermal.c
@@ -73,7 +73,6 @@ ath10k_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
                                      unsigned long throttle_state)
 {
        struct ath10k *ar = cdev->devdata;
-       u32 period, duration, enabled;
        int num_bss, ret = 0;
 
        mutex_lock(&ar->conf_mutex);
@@ -99,19 +98,8 @@ ath10k_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
                ret = -ENETDOWN;
                goto out;
        }
-       period = ar->thermal.quiet_period;
-       duration = (period * throttle_state) / 100;
-       enabled = duration ? 1 : 0;
-
-       ret = ath10k_wmi_pdev_set_quiet_mode(ar, period, duration,
-                                            ATH10K_QUIET_START_OFFSET,
-                                            enabled);
-       if (ret) {
-               ath10k_warn(ar, "failed to set quiet mode period %u duarion %u enabled %u ret %d\n",
-                           period, duration, enabled, ret);
-               goto out;
-       }
        ar->thermal.throttle_state = throttle_state;
+       ath10k_thermal_set_throttling(ar);
 out:
        mutex_unlock(&ar->conf_mutex);
        return ret;
@@ -186,6 +174,26 @@ static struct attribute *ath10k_hwmon_attrs[] = {
 };
 ATTRIBUTE_GROUPS(ath10k_hwmon);
 
+void ath10k_thermal_set_throttling(struct ath10k *ar)
+{
+       u32 period, duration, enabled;
+       int ret;
+
+       lockdep_assert_held(&ar->conf_mutex);
+
+       period = ar->thermal.quiet_period;
+       duration = (period * ar->thermal.throttle_state) / 100;
+       enabled = duration ? 1 : 0;
+
+       ret = ath10k_wmi_pdev_set_quiet_mode(ar, period, duration,
+                                            ATH10K_QUIET_START_OFFSET,
+                                            enabled);
+       if (ret) {
+               ath10k_warn(ar, "failed to set quiet mode period %u duarion %u enabled %u ret %d\n",
+                           period, duration, enabled, ret);
+       }
+}
+
 int ath10k_thermal_register(struct ath10k *ar)
 {
        struct thermal_cooling_device *cdev;

diff --git a/drivers/net/wireless/ath/ath10k/thermal.h b/drivers/net/wireless/ath/ath10k/thermal.h
index 5728010..b610ea5 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/thermal.h
+++ b/drivers/net/wireless/ath/ath10k/thermal.h
@@ -40,6 +40,7 @@ struct ath10k_thermal {
 int ath10k_thermal_register(struct ath10k *ar);
 void ath10k_thermal_unregister(struct ath10k *ar);
 void ath10k_thermal_event_temperature(struct ath10k *ar, int temperature);
+void ath10k_thermal_set_throttling(struct ath10k *ar);
 #else
 static inline int ath10k_thermal_register(struct ath10k *ar)
 {
@@ -55,5 +56,9 @@ static inline void ath10k_thermal_event_temperature(struct ath10k *ar,
 {
 }
 
+static inline void ath10k_thermal_set_throttling(struct ath10k *ar)
+{
+}
+
 #endif
 #endif /* _THERMAL_ */