diff options
Diffstat (limited to 'target/linux/ipq807x/patches-5.15/0042-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch')
-rw-r--r-- | target/linux/ipq807x/patches-5.15/0042-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/target/linux/ipq807x/patches-5.15/0042-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch b/target/linux/ipq807x/patches-5.15/0042-v6.2-thermal-drivers-tsens-Add-support-for-combined-inter.patch new file mode 100644 index 0000000000..63b4cf176b --- /dev/null +++ b/target/linux/ipq807x/patches-5.15/0042-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 +@@ -539,6 +539,7 @@ static int calibrate_9607(struct tsens_p + 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 +@@ -302,6 +302,7 @@ 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 +@@ -531,6 +531,27 @@ 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(void *_sensor, int low, int high) + { + struct tsens_sensor *s = _sensor; +@@ -1075,13 +1096,18 @@ 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 +@@ -495,6 +495,7 @@ 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? +@@ -504,6 +505,7 @@ 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; |