Re: [PATCH 1/3] Input: matrix_keypad - avoid repeatedly converting GPIO to IRQ

[Bartosz Golaszewski]

On Sun, 21 Jan 2024 at 06:32, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote:
>
> gpio_to_irq() is getting more expensive and may require sleeping.

This is no longer true, the relevant commit was reverted and I have
now a working series where I'm using SRCU for lockless list traversal
so if anything it will actually become cheaper.

> Convert row GPIOs to interrupt numbers once in probe() and use
> this information when the driver needs to enable or disable given
> interrupt line.

That being said, I'm not against this change, though this may not be
very useful after all.

Bartosz

[snip!]