From: Daniel Lezcano <daniel.lezcano@linaro.org>
Date: Mon, 16 Jan 2023 10:19:54 +0000 (+0100)
Subject: thermal/drivers/qcom: Remove duplicate set next trip point interrupt code
X-Git-Tag: v6.6.7~3502^2~16^2^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=df715f26cb7b43e3fabb4518aa65931180de8a71;p=platform%2Fkernel%2Flinux-starfive.git

thermal/drivers/qcom: Remove duplicate set next trip point interrupt code

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.

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Amit Kucheria <amitk@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230116101955.3961427-1-daniel.lezcano@linaro.org
---

diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 6d785ff..8020ead 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -624,12 +624,9 @@ static irqreturn_t tsens_irq_thread(int irq, void *data)
 {
 	struct tsens_priv *priv = data;
 	struct tsens_irq_data d;
-	bool enable = true, disable = false;
-	unsigned long flags;
-	int temp, ret, i;
+	int i;
 
 	for (i = 0; i < priv->num_sensors; i++) {
-		bool trigger = false;
 		const struct tsens_sensor *s = &priv->sensor[i];
 		u32 hw_id = s->hw_id;
 
@@ -637,52 +634,8 @@ 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