diff options
| author | Robert Marko <robimarko@gmail.com> | 2022-08-19 00:02:42 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@kernel.org> | 2022-12-14 15:25:40 +0100 |
| commit | 4360af35273b742ffc6605ce44f37ac654272443 (patch) | |
| tree | 2b1403702da72a59719f878a0f7b5ca598982c96 /drivers/thermal/qcom/tsens.c | |
| parent | c6db32ec7c600ae7ab92eb6c56a9fb2918fcd780 (diff) | |
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>
Diffstat (limited to 'drivers/thermal/qcom/tsens.c')
| -rw-r--r-- | drivers/thermal/qcom/tsens.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index b1b10005fb28..e2511e76f296 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(struct thermal_zone_device *tz, int low, int high) { struct tsens_sensor *s = tz->devdata; @@ -1071,13 +1092,18 @@ 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; } |