Re: [PATCH v2 2/2] pinctrl: stm32: Add level interrupt support to gpio irq chip
From: Marek Vasut
Date: Tue Feb 18 2020 - 12:53:50 EST
On 2/18/20 2:12 PM, Alexandre Torgue wrote:
> This patch adds level interrupt support to gpio irq chip.
> GPIO hardware block is directly linked to EXTI block but EXTI handles
> external interrupts only on edge. To be able to handle GPIO interrupt on
> level a "hack" is done in gpio irq chip: parent interrupt (exti irq chip)
> is retriggered following interrupt type and gpio line value.
> Signed-off-by: Alexandre Torgue <alexandre.torgue@xxxxxx>
> Tested-by: Marek Vasut <marex@xxxxxxx>
Reviewed-by: Marek Vasut <marex@xxxxxxx>
(and I tested the previous version on STM32MP1)