The pin controller hardware does not distinguish IRQs intended for wakeup from other IRQs, so we must mask non-wakeup IRQs in software to prevent inadvertent wakeups. This is accomplished at the irqchip level via the IRQCHIP_MASK_ON_SUSPEND flag.
Signed-off-by: Samuel Holland <[email protected]> --- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index df79da76321e..24ff591efded 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -1076,6 +1076,7 @@ static struct irq_chip sunxi_pinctrl_edge_irq_chip = { .irq_release_resources = sunxi_pinctrl_irq_release_resources, .irq_set_type = sunxi_pinctrl_irq_set_type, .irq_set_wake = sunxi_pinctrl_irq_set_wake, + .flags = IRQCHIP_MASK_ON_SUSPEND, }; static struct irq_chip sunxi_pinctrl_level_irq_chip = { @@ -1092,6 +1093,7 @@ static struct irq_chip sunxi_pinctrl_level_irq_chip = { .irq_set_type = sunxi_pinctrl_irq_set_type, .irq_set_wake = sunxi_pinctrl_irq_set_wake, .flags = IRQCHIP_EOI_THREADED | + IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_EOI_IF_HANDLED, }; -- 2.23.0 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/20200117213340.47714-2-samuel%40sholland.org.
