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charset="utf-8" Fix interrupt handle loops, produced by spurious and short level based interrupts by unconditionally clearing the parent interrupt, even when no GPIO interrupts are pending. Signed-off-by: Sergey Matsievskiy Reviewed-by: Alexandre Belloni --- drivers/pinctrl/pinctrl-ocelot.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-oce= lot.c index be9b8c010167..d1ab8450ea93 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -1955,21 +1955,21 @@ static void ocelot_irq_handler(struct irq_desc *des= c) unsigned int reg =3D 0, irq, i; unsigned long irqs; =20 + chained_irq_enter(parent_chip, desc); + for (i =3D 0; i < info->stride; i++) { regmap_read(info->map, id_reg + 4 * i, ®); if (!reg) continue; =20 - chained_irq_enter(parent_chip, desc); - irqs =3D reg; =20 for_each_set_bit(irq, &irqs, min(32U, info->desc->npins - 32 * i)) generic_handle_domain_irq(chip->irq.domain, irq + 32 * i); - - chained_irq_exit(parent_chip, desc); } + + chained_irq_exit(parent_chip, desc); } =20 static int ocelot_gpiochip_register(struct platform_device *pdev, --=20 2.39.5