| Message ID | 20220714101451.198211-2-robimarko@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Daniel Lezcano |
| Headers | show |
| Series | [v6,1/5] dt-bindings: thermal: tsens: Add ipq8074 compatible | expand |
Hi, On 14/07/2022 12:14, Robert Marko wrote: > 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> Bjorn, are these changes ok for you ? > --- > Changes in v6: > * Check critical IRQ handler return, simplify up/low return > --- > 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(-) > > diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c > index 67c1748cdf73..ee584e5b07e5 100644 > --- 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, > diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c > index f136cb350238..6effb822bf3c 100644 > --- 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_priv *priv) > 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, > diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c > index 573e261ccca7..a4f561a6e582 100644 > --- a/drivers/thermal/qcom/tsens-v1.c > +++ b/drivers/thermal/qcom/tsens-v1.c > @@ -302,6 +302,7 @@ static int calibrate_8976(struct tsens_priv *priv) > 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, > diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c > index b293ed32174b..129cdb247381 100644 > --- 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, > diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c > index 7963ee33bf75..5c7f9ec6ab1c 100644 > --- a/drivers/thermal/qcom/tsens.c > +++ b/drivers/thermal/qcom/tsens.c > @@ -532,6 +532,27 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) > 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; > @@ -1083,13 +1104,18 @@ static int tsens_register(struct tsens_priv *priv) > 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; > } > diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h > index 1471a2c00f15..4614177944d6 100644 > --- 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;
On Wed, 20 Jul 2022 at 12:28, Daniel Lezcano <daniel.lezcano@linaro.org> wrote: > > > Hi, > > On 14/07/2022 12:14, Robert Marko wrote: > > 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> > > Bjorn, are these changes ok for you ? It would be great for these to get merged, I have been using them for couple of months now. Regards, Robert > > > --- > > Changes in v6: > > * Check critical IRQ handler return, simplify up/low return > > --- > > 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(-) > > > > diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c > > index 67c1748cdf73..ee584e5b07e5 100644 > > --- 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, > > diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c > > index f136cb350238..6effb822bf3c 100644 > > --- 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_priv *priv) > > 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, > > diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c > > index 573e261ccca7..a4f561a6e582 100644 > > --- a/drivers/thermal/qcom/tsens-v1.c > > +++ b/drivers/thermal/qcom/tsens-v1.c > > @@ -302,6 +302,7 @@ static int calibrate_8976(struct tsens_priv *priv) > > 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, > > diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c > > index b293ed32174b..129cdb247381 100644 > > --- 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, > > diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c > > index 7963ee33bf75..5c7f9ec6ab1c 100644 > > --- a/drivers/thermal/qcom/tsens.c > > +++ b/drivers/thermal/qcom/tsens.c > > @@ -532,6 +532,27 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) > > 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; > > @@ -1083,13 +1104,18 @@ static int tsens_register(struct tsens_priv *priv) > > 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; > > } > > diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h > > index 1471a2c00f15..4614177944d6 100644 > > --- 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; > > > -- > <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog
diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index 67c1748cdf73..ee584e5b07e5 100644 --- 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, diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index f136cb350238..6effb822bf3c 100644 --- 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_priv *priv) 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, diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index 573e261ccca7..a4f561a6e582 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -302,6 +302,7 @@ static int calibrate_8976(struct tsens_priv *priv) 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, diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c index b293ed32174b..129cdb247381 100644 --- 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, diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 7963ee33bf75..5c7f9ec6ab1c 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -532,6 +532,27 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) 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; @@ -1083,13 +1104,18 @@ static int tsens_register(struct tsens_priv *priv) 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; } diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 1471a2c00f15..4614177944d6 100644 --- 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;
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> --- Changes in v6: * Check critical IRQ handler return, simplify up/low return --- 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(-)