On Mon, Aug 29, 2022 at 3:15 PM Nuno Sá <nuno.sa@xxxxxxxxxx> wrote: > This change replaces the support for GPIs as key event generators. > Instead of reporting the events directly, we add a gpio based irqchip > so that these events can be consumed by keys defined in the gpio-keys > driver (as it's goal is indeed for keys on GPIOs capable of generating > interrupts). With this, the gpio-adp5588 driver can also be dropped. > > The basic idea is that all the pins that are not being used as part of > the keymap matrix can be possibly requested as GPIOs by gpio-keys > (it's also fine to use these pins as plain interrupts though that's not > really the point). > > Since the gpiochip now also has irqchip capabilities, we should only > remove it after we free the device interrupt (otherwise we could, in > theory, be handling GPIs interrupts while the gpiochip is concurrently > removed). Thus the call 'adp5588_gpio_add()' is moved and since the > setup phase also needs to come before making the gpios visible, we also > need to move 'adp5588_setup()'. > > While at it, always select GPIOLIB so that we don't need to use #ifdef > guards. > > Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx> Makes the world simpler so: Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
