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Diffstat (limited to 'target/linux/qualcommax/patches-6.6/0002-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch')
-rw-r--r--target/linux/qualcommax/patches-6.6/0002-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch134
1 files changed, 134 insertions, 0 deletions
diff --git a/target/linux/qualcommax/patches-6.6/0002-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch b/target/linux/qualcommax/patches-6.6/0002-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch
new file mode 100644
index 0000000000..0320725999
--- /dev/null
+++ b/target/linux/qualcommax/patches-6.6/0002-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch
@@ -0,0 +1,134 @@
+From e593e834fe8ba9bf314d8215ac05d8787f81efda Mon Sep 17 00:00:00 2001
+From: Robert Marko <robimarko@gmail.com>
+Date: Fri, 19 Aug 2022 00:02:42 +0200
+Subject: [PATCH] thermal/drivers/tsens: Add support for combined interrupt
+
+Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for
+signaling both up/low and critical trips.
+
+Signed-off-by: Robert Marko <robimarko@gmail.com>
+Reviewed-by: Bjorn Andersson <andersson@kernel.org>
+Link: https://lore.kernel.org/r/20220818220245.338396-2-robimarko@gmail.com
+Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
+---
+ drivers/thermal/qcom/tsens-8960.c | 1 +
+ drivers/thermal/qcom/tsens-v0_1.c | 1 +
+ drivers/thermal/qcom/tsens-v1.c | 1 +
+ drivers/thermal/qcom/tsens-v2.c | 1 +
+ drivers/thermal/qcom/tsens.c | 38 ++++++++++++++++++++++++++-----
+ drivers/thermal/qcom/tsens.h | 2 ++
+ 6 files changed, 38 insertions(+), 6 deletions(-)
+
+--- a/drivers/thermal/qcom/tsens-8960.c
++++ b/drivers/thermal/qcom/tsens-8960.c
+@@ -269,6 +269,7 @@ static const struct tsens_ops ops_8960 =
+ static struct tsens_features tsens_8960_feat = {
+ .ver_major = VER_0,
+ .crit_int = 0,
++ .combo_int = 0,
+ .adc = 1,
+ .srot_split = 0,
+ .max_sensors = 11,
+--- a/drivers/thermal/qcom/tsens-v0_1.c
++++ b/drivers/thermal/qcom/tsens-v0_1.c
+@@ -549,6 +549,7 @@ static int __init init_8939(struct tsens
+ static struct tsens_features tsens_v0_1_feat = {
+ .ver_major = VER_0_1,
+ .crit_int = 0,
++ .combo_int = 0,
+ .adc = 1,
+ .srot_split = 1,
+ .max_sensors = 11,
+--- a/drivers/thermal/qcom/tsens-v1.c
++++ b/drivers/thermal/qcom/tsens-v1.c
+@@ -273,6 +273,7 @@ static int calibrate_8976(struct tsens_p
+ static struct tsens_features tsens_v1_feat = {
+ .ver_major = VER_1_X,
+ .crit_int = 0,
++ .combo_int = 0,
+ .adc = 1,
+ .srot_split = 1,
+ .max_sensors = 11,
+--- a/drivers/thermal/qcom/tsens-v2.c
++++ b/drivers/thermal/qcom/tsens-v2.c
+@@ -31,6 +31,7 @@
+ static struct tsens_features tsens_v2_feat = {
+ .ver_major = VER_2_X,
+ .crit_int = 1,
++ .combo_int = 0,
+ .adc = 0,
+ .srot_split = 1,
+ .max_sensors = 16,
+--- a/drivers/thermal/qcom/tsens.c
++++ b/drivers/thermal/qcom/tsens.c
+@@ -532,6 +532,27 @@ static irqreturn_t tsens_irq_thread(int
+ return IRQ_HANDLED;
+ }
+
++/**
++ * tsens_combined_irq_thread() - Threaded interrupt handler for combined interrupts
++ * @irq: irq number
++ * @data: tsens controller private data
++ *
++ * Handle the combined interrupt as if it were 2 separate interrupts, so call the
++ * critical handler first and then the up/low one.
++ *
++ * Return: IRQ_HANDLED
++ */
++static irqreturn_t tsens_combined_irq_thread(int irq, void *data)
++{
++ irqreturn_t ret;
++
++ ret = tsens_critical_irq_thread(irq, data);
++ if (ret != IRQ_HANDLED)
++ return ret;
++
++ return tsens_irq_thread(irq, data);
++}
++
+ static int tsens_set_trips(struct thermal_zone_device *tz, int low, int high)
+ {
+ struct tsens_sensor *s = tz->devdata;
+@@ -1074,13 +1095,18 @@ static int tsens_register(struct tsens_p
+ tsens_mC_to_hw(priv->sensor, 0));
+ }
+
+- ret = tsens_register_irq(priv, "uplow", tsens_irq_thread);
+- if (ret < 0)
+- return ret;
++ if (priv->feat->combo_int) {
++ ret = tsens_register_irq(priv, "combined",
++ tsens_combined_irq_thread);
++ } else {
++ ret = tsens_register_irq(priv, "uplow", tsens_irq_thread);
++ if (ret < 0)
++ return ret;
+
+- if (priv->feat->crit_int)
+- ret = tsens_register_irq(priv, "critical",
+- tsens_critical_irq_thread);
++ if (priv->feat->crit_int)
++ ret = tsens_register_irq(priv, "critical",
++ tsens_critical_irq_thread);
++ }
+
+ return ret;
+ }
+--- a/drivers/thermal/qcom/tsens.h
++++ b/drivers/thermal/qcom/tsens.h
+@@ -493,6 +493,7 @@ enum regfield_ids {
+ * struct tsens_features - Features supported by the IP
+ * @ver_major: Major number of IP version
+ * @crit_int: does the IP support critical interrupts?
++ * @combo_int: does the IP use one IRQ for up, low and critical thresholds?
+ * @adc: do the sensors only output adc code (instead of temperature)?
+ * @srot_split: does the IP neatly splits the register space into SROT and TM,
+ * with SROT only being available to secure boot firmware?
+@@ -502,6 +503,7 @@ enum regfield_ids {
+ struct tsens_features {
+ unsigned int ver_major;
+ unsigned int crit_int:1;
++ unsigned int combo_int:1;
+ unsigned int adc:1;
+ unsigned int srot_split:1;
+ unsigned int has_watchdog:1;