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ath10k: cache throttle state when device is down

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Allow driver to cache the throttle state when the devie is not
yet started. Configure the cached throttle state while powering
up the device. Since thermal daemon is unaware of the up/down cycle,
it assumes that device is throttled.

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 20:36:24 +05:30 • committed by Kalle Valo
parent 091105bc06
commit 28bf0c4e3f
1 changed files with 7 additions and 7 deletions
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14
drivers/net/wireless/ath/ath10k/thermal.c
View file

@ -52,19 +52,19 @@ ath10k_thermal_set_cur_throttle_state(struct thermal_cooling_device *cdev,
struct ath10k *ar = cdev->devdata;
int ret = 0;
if (throttle_state > ATH10K_THERMAL_THROTTLE_MAX) {
ath10k_warn(ar, "throttle state %ld is exceeding the limit %d\n",
throttle_state, ATH10K_THERMAL_THROTTLE_MAX);
return -EINVAL;
}
mutex_lock(&ar->conf_mutex);
ar->thermal.throttle_state = throttle_state;
if (ar->state != ATH10K_STATE_ON) {
ret = -ENETDOWN;
goto out;
}
if (throttle_state > ATH10K_THERMAL_THROTTLE_MAX) {
ath10k_warn(ar, "throttle state %ld is exceeding the limit %d\n",
throttle_state, ATH10K_THERMAL_THROTTLE_MAX);
ret = -EINVAL;
goto out;
}
ar->thermal.throttle_state = throttle_state;
ath10k_thermal_set_throttling(ar);
out:
mutex_unlock(&ar->conf_mutex);