On Tue, Jan 10, 2023 at 4:04 PM Daniel Lezcano
<daniel.lezcano@xxxxxxxxxx> wrote:
>
> From: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
>
> The tsens driver reprogram the next trip points in the irq
> handler. This function then call thermal_zone_device_update().
>
> However, thermal_zone_device_update() calls thermal_zone_set_trips()
> and from there it calls the backend 'set_trips' ops. This one in turn
> reprogram the next trip points (low/high).
>
> Consequently, the code setting the next trip points interrupt in the
> interrupt handle is not needed and could be removed.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Acked-by: Amit Kucheria <amitk@xxxxxxxxxx>
> ---
> drivers/thermal/qcom/tsens.c | 46 +-----------------------------------
> 1 file changed, 1 insertion(+), 45 deletions(-)
>
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index b5b136ff323f..58693ee8c430 100644
> --- a/drivers/thermal/qcom/tsens.c
> +++ b/drivers/thermal/qcom/tsens.c
> @@ -472,52 +472,8 @@ static irqreturn_t tsens_irq_thread(int irq, void *data)
> continue;
> if (!tsens_threshold_violated(priv, hw_id, &d))
> continue;
> - ret = get_temp_tsens_valid(s, &temp);
> - if (ret) {
> - dev_err(priv->dev, "[%u] %s: error reading sensor\n",
> - hw_id, __func__);
> - continue;
> - }
>
> - spin_lock_irqsave(&priv->ul_lock, flags);
> -
> - tsens_read_irq_state(priv, hw_id, s, &d);
> -
> - if (d.up_viol &&
> - !masked_irq(hw_id, d.up_irq_mask, tsens_version(priv))) {
> - tsens_set_interrupt(priv, hw_id, UPPER, disable);
> - if (d.up_thresh > temp) {
> - dev_dbg(priv->dev, "[%u] %s: re-arm upper\n",
> - hw_id, __func__);
> - tsens_set_interrupt(priv, hw_id, UPPER, enable);
> - } else {
> - trigger = true;
> - /* Keep irq masked */
> - }
> - } else if (d.low_viol &&
> - !masked_irq(hw_id, d.low_irq_mask, tsens_version(priv))) {
> - tsens_set_interrupt(priv, hw_id, LOWER, disable);
> - if (d.low_thresh < temp) {
> - dev_dbg(priv->dev, "[%u] %s: re-arm low\n",
> - hw_id, __func__);
> - tsens_set_interrupt(priv, hw_id, LOWER, enable);
> - } else {
> - trigger = true;
> - /* Keep irq masked */
> - }
> - }
> -
> - spin_unlock_irqrestore(&priv->ul_lock, flags);
> -
> - if (trigger) {
> - dev_dbg(priv->dev, "[%u] %s: TZ update trigger (%d mC)\n",
> - hw_id, __func__, temp);
> - thermal_zone_device_update(s->tzd,
> - THERMAL_EVENT_UNSPECIFIED);
> - } else {
> - dev_dbg(priv->dev, "[%u] %s: no violation: %d\n",
> - hw_id, __func__, temp);
> - }
> + thermal_zone_device_update(s->tzd, THERMAL_EVENT_UNSPECIFIED);
>
> if (tsens_version(priv) < VER_0_1) {
> /* Constraint: There is only 1 interrupt control register for all
> --
> 2.34.1
>
