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SubjectRe: [PATCH v2] gpiolib: warning on gpiochip->to_irq defined
On Mon, Jan 18, 2021 at 10:05 AM Nikita Shubin
<nikita.shubin@maquefel.me> wrote:
>
> gpiochip->to_irq method is redefined in gpiochip_add_irqchip.
>
> A lot of gpiod driver's still define ->to_irq method, let's give
> a gentle warning that they can no longer rely on it, so they can remove
> it on ocassion.
>
> Fixes: e0d8972898139 ("gpio: Implement tighter IRQ chip integration")
> Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
> ---
> v1->v2:
> - Change chip_err to chip_warn
> ---
> drivers/gpio/gpiolib.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index 5ce0c14c637b..5a9410c2537d 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -1489,6 +1489,9 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
> type = IRQ_TYPE_NONE;
> }
>
> + if (gc->to_irq)
> + chip_warn(gc, "to_irq is redefined in %s and you shouldn't rely on it\n", __func__);
> +
> gc->to_irq = gpiochip_to_irq;
> gc->irq.default_type = type;
> gc->irq.lock_key = lock_key;
> --
> 2.29.2
>

Applied to fixes, thanks!

Bartosz

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