Re: [PATCH v1 1/1] gpio: Remove unused and obsoleted irq_to_gpio()

From: Geert Uytterhoeven
Date: Thu Jan 12 2023 - 10:22:39 EST


CC greg

On Thu, Jan 12, 2023 at 2:39 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> irq_to_gpio() is legacy and unused API, remove it for good.
>
> This leaves gpio_to_irq() as it's used yet in many places.
> Nevertheless, removal of its counterpart is a good signal
> to whoever even trying to consider using them that do not.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> Documentation/driver-api/gpio/legacy.rst | 8 --------
> .../translations/zh_CN/driver-api/gpio/legacy.rst | 7 -------
> Documentation/translations/zh_TW/gpio.txt | 7 -------
> arch/m68k/include/asm/gpio.h | 7 -------
> arch/sh/include/asm/gpio.h | 5 -----
> include/linux/gpio.h | 12 ------------
> 6 files changed, 46 deletions(-)

[...]

> --- a/arch/m68k/include/asm/gpio.h
> +++ b/arch/m68k/include/asm/gpio.h
> @@ -66,13 +66,6 @@ static inline int gpio_to_irq(unsigned gpio)
> return __gpio_to_irq(gpio);
> }
>
> -static inline int irq_to_gpio(unsigned irq)
> -{
> - return (irq >= MCFGPIO_IRQ_VECBASE &&
> - irq < (MCFGPIO_IRQ_VECBASE + MCFGPIO_IRQ_MAX)) ?
> - irq - MCFGPIO_IRQ_VECBASE : -ENXIO;
> -}
> -
> static inline int gpio_cansleep(unsigned gpio)
> {
> return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio);

Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds