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

From: Greg Ungerer
Date: Mon Jan 16 2023 - 08:17:59 EST



On 13/1/23 01:14, Geert Uytterhoeven wrote:
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>

Acked-by: Greg Ungerer <gerg@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