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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>
This commit is contained in:
Rajkumar Manoharan 2015-03-15 20:36:22 +05:30 committed by Kalle Valo
parent 972f051364
commit 8515b5c79a
4 changed files with 28 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath10k/debug.c
View File

@ -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;

1
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -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;

34
drivers/net/wireless/ath/ath10k/thermal.c
View File

@ -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;

5
drivers/net/wireless/ath/ath10k/thermal.h
View File

@ -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_ */