2023-06-16 13:58:10

by Andy Shevchenko

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Subject: [PATCH v1 1/1] gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip

It seems there is no driver that requires custom IRQ chip
domain options. Drop the member and respective code.

Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/gpio/gpiolib.c | 3 +--
include/linux/gpio/driver.h | 7 -------
2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5fb64c7d7473..4b404beddcf2 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1668,11 +1668,10 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
if (ret)
return ret;
} else {
- /* Some drivers provide custom irqdomain ops */
gc->irq.domain = irq_domain_create_simple(fwnode,
gc->ngpio,
gc->irq.first,
- gc->irq.domain_ops ?: &gpiochip_domain_ops,
+ &gpiochip_domain_ops,
gc);
if (!gc->irq.domain)
return -EINVAL;
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 5c6db5533be6..6879b5436480 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -61,13 +61,6 @@ struct gpio_irq_chip {
*/
struct irq_domain *domain;

- /**
- * @domain_ops:
- *
- * Table of interrupt domain operations for this IRQ chip.
- */
- const struct irq_domain_ops *domain_ops;
-
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
/**
* @fwnode:
--
2.40.0.1.gaa8946217a0b



2023-06-17 10:13:36

by Linus Walleij

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Subject: Re: [PATCH v1 1/1] gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip

On Fri, Jun 16, 2023 at 3:53 PM Andy Shevchenko
<[email protected]> wrote:

> It seems there is no driver that requires custom IRQ chip
> domain options. Drop the member and respective code.
>
> Signed-off-by: Andy Shevchenko <[email protected]>
(...)
> - /* Some drivers provide custom irqdomain ops */
> gc->irq.domain = irq_domain_create_simple(fwnode,
> gc->ngpio,
> gc->irq.first,
> - gc->irq.domain_ops ?: &gpiochip_domain_ops,
> + &gpiochip_domain_ops,

We better run this by Marc Zyngier, and Thierry who introduced it.

But some grepping and looking seems to conclude you are righ!
Reviewed-by: Linus Walleij <[email protected]>

Yours,
Linus Walleij

2023-06-17 10:33:49

by Marc Zyngier

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Subject: Re: [PATCH v1 1/1] gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip

On Sat, 17 Jun 2023 10:08:10 +0100,
Linus Walleij <[email protected]> wrote:
>
> On Fri, Jun 16, 2023 at 3:53 PM Andy Shevchenko
> <[email protected]> wrote:
>
> > It seems there is no driver that requires custom IRQ chip
> > domain options. Drop the member and respective code.
> >
> > Signed-off-by: Andy Shevchenko <[email protected]>
> (...)
> > - /* Some drivers provide custom irqdomain ops */
> > gc->irq.domain = irq_domain_create_simple(fwnode,
> > gc->ngpio,
> > gc->irq.first,
> > - gc->irq.domain_ops ?: &gpiochip_domain_ops,
> > + &gpiochip_domain_ops,
>
> We better run this by Marc Zyngier, and Thierry who introduced it.
>
> But some grepping and looking seems to conclude you are righ!
> Reviewed-by: Linus Walleij <[email protected]>

No objection from my end. If this is unused, let's kill it.

Acked-by: Marc Zyngier <[email protected]>

M.

--
Without deviation from the norm, progress is not possible.

2023-06-19 11:06:18

by Andy Shevchenko

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip

On Sat, Jun 17, 2023 at 11:23:17AM +0100, Marc Zyngier wrote:
> On Sat, 17 Jun 2023 10:08:10 +0100,
> Linus Walleij <[email protected]> wrote:
> > On Fri, Jun 16, 2023 at 3:53 PM Andy Shevchenko
> > <[email protected]> wrote:

(...)

> > > - /* Some drivers provide custom irqdomain ops */
> > > gc->irq.domain = irq_domain_create_simple(fwnode,
> > > gc->ngpio,
> > > gc->irq.first,
> > > - gc->irq.domain_ops ?: &gpiochip_domain_ops,
> > > + &gpiochip_domain_ops,
> >
> > We better run this by Marc Zyngier, and Thierry who introduced it.
> >
> > But some grepping and looking seems to conclude you are righ!
> > Reviewed-by: Linus Walleij <[email protected]>
>
> No objection from my end. If this is unused, let's kill it.

Grepping by two independent people and so far no complains from CI, I believe
the patch tells truth.

> Acked-by: Marc Zyngier <[email protected]>

Thank you!

--
With Best Regards,
Andy Shevchenko



2023-06-19 13:13:40

by Bartosz Golaszewski

[permalink] [raw]
Subject: Re: [PATCH v1 1/1] gpiolib: Drop unused domain_ops memeber of GPIO IRQ chip

On Fri, Jun 16, 2023 at 3:53 PM Andy Shevchenko
<[email protected]> wrote:
>
> It seems there is no driver that requires custom IRQ chip
> domain options. Drop the member and respective code.
>
> Signed-off-by: Andy Shevchenko <[email protected]>
> ---

Applied, thanks!

Bart