On Wed, Feb 19, 2020 at 3:32 PM Alexandre Torgue
<alexandre.torgue@xxxxxx> wrote:
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: Linus Walleij <linus.walleij@xxxxxxxxxx>
If Marc want to merge it with patch 1/2 go ahead!