Re: [PATCH v3 2/2] pinctrl: stm32: Add level interrupt support to gpio irq chip

From: Marc Zyngier
Date: Thu Feb 20 2020 - 04:17:30 EST


On 2020-02-20 09:04, Linus Walleij wrote:
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!

I'll queue the whole thing for 5.7.

Thanks,

M.
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