[PATCH v1 01/16] pinctrl: cy8c95x0: Respect IRQ trigger settings from firmware
From: Andy Shevchenko
Date: Fri Jan 17 2025 - 09:23:49 EST
Som of the platforms may connect the INT pin via inversion logic
effectively make the triggering to be active-low.
Remove explicit trigger flag to respect the settings from firmware.
Without this change even idling chip produces spurious interrupts
and kernel disables the line in the result:
irq 33: nobody cared (try booting with the "irqpoll" option)
CPU: 0 UID: 0 PID: 125 Comm: irq/33-i2c-INT3 Not tainted 6.12.0-00236-g8b874ed11dae #64
Hardware name: Intel Corp. QUARK/Galileo, BIOS 0x01000900 01/01/2014
...
handlers:
[<86e86bea>] irq_default_primary_handler threaded [<d153e44a>] cy8c95x0_irq_handler [pinctrl_cy8c95x0]
Disabling IRQ #33
Fixes: e6cbbe42944d ("pinctrl: Add Cypress cy8c95x0 support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/pinctrl/pinctrl-cy8c95x0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c
index 0d6c2027d4c1..825bd1e528b5 100644
--- a/drivers/pinctrl/pinctrl-cy8c95x0.c
+++ b/drivers/pinctrl/pinctrl-cy8c95x0.c
@@ -1347,7 +1347,7 @@ static int cy8c95x0_irq_setup(struct cy8c95x0_pinctrl *chip, int irq)
ret = devm_request_threaded_irq(chip->dev, irq,
NULL, cy8c95x0_irq_handler,
- IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_HIGH,
+ IRQF_ONESHOT | IRQF_SHARED,
dev_name(chip->dev), chip);
if (ret) {
dev_err(chip->dev, "failed to request irq %d\n", irq);
--
2.43.0.rc1.1336.g36b5255a03ac