[PATCH v2] irqchip/stm32-exti: map direct event to irq parent
Marc Zyngier
maz at kernel.org
Sat Jul 25 10:23:31 EDT 2020
On Fri, 17 Jul 2020 16:07:17 +0200, Alexandre Torgue wrote:
> EXTI lines are mainly used to wake-up system from CStop low power mode.
> Currently, if a device wants to use a EXTI (direct) line as wakeup line,
> it has to declare 2 interrupts:
> - one for EXTI used to wake-up system (with dedicated_wake_irq api).
> - one for GIC used to get the wake up reason inside the concerned IP.
>
> This split is not really needed as each EXTI line is actually "linked " to
> a GIC. So to avoid this useless double interrupt management in each
> wake-up driver, this patch lets the STM32 EXTI driver abstract it by
> mapping each EXTI line to his corresponding GIC.
Applied to irq/irqchip-5.9, thanks!
[1/1] irqchip/stm32-exti: map direct event to irq parent
commit: 99e05524bc722c8d3c1ab9c817afcb6829dbded3
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
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