On Wed, Feb 19, 2020 at 3:32 PM Alexandre Torgue
[off-list ref] 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 <redacted>
Tested-by: Marek Vasut <marex@denx.de>

Reviewed-by: Linus Walleij <redacted>

If Marc want to merge it with patch 1/2 go ahead!

Alternatively I can merge both patches.

Thanks to you & Marek for hashing this out, excellent work!

Yours,
Linus Walleij

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