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* [PATCH v1 1/1] regmap: irq: Get rid of duplicate check in regmap_del_irq_chip()
@ 2026-10-21 20:50 Andy Shevchenko
  2026-10-22  8:13 ` Johan Hovold
  0 siblings, 1 reply; 2+ messages in thread
From: Andy Shevchenko @ 2026-10-21 20:50 UTC (permalink / raw)
  To: Andy Shevchenko, linux-kernel, driver-core
  Cc: Mark Brown, Greg Kroah-Hartman, Rafael J. Wysocki,
	Danilo Krummrich, Johan Hovold

irq_dispose_mapping() already 0-aware, so there is no need to
perform the same test outside of the call. Get rid of duplicate
check in regmap_del_irq_chip().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/base/regmap/regmap-irq.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 715eb9e7aa2a..bd7c89618dd7 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -1021,7 +1021,6 @@ EXPORT_SYMBOL_GPL(regmap_add_irq_chip);
  */
 void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
 {
-	unsigned int virq;
 	int i, hwirq;
 
 	if (!d)
@@ -1039,9 +1038,7 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
 		 * Find the virtual irq of hwirq on chip and if it is
 		 * there then dispose it
 		 */
-		virq = irq_find_mapping(d->domain, hwirq);
-		if (virq)
-			irq_dispose_mapping(virq);
+		irq_dispose_mapping(irq_find_mapping(d->domain, hwirq));
 	}
 
 	irq_domain_remove(d->domain);
-- 
2.50.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH v1 1/1] regmap: irq: Get rid of duplicate check in regmap_del_irq_chip()
  2026-10-21 20:50 [PATCH v1 1/1] regmap: irq: Get rid of duplicate check in regmap_del_irq_chip() Andy Shevchenko
@ 2026-10-22  8:13 ` Johan Hovold
  0 siblings, 0 replies; 2+ messages in thread
From: Johan Hovold @ 2026-10-22  8:13 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: linux-kernel, driver-core, Mark Brown, Greg Kroah-Hartman,
	Rafael J. Wysocki, Danilo Krummrich

On Wed, Oct 21, 2026 at 10:50:35PM +0200, Andy Shevchenko wrote:
> irq_dispose_mapping() already 0-aware, so there is no need to
> perform the same test outside of the call. Get rid of duplicate
> check in regmap_del_irq_chip().
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> @@ -1039,9 +1038,7 @@ void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
>  		 * Find the virtual irq of hwirq on chip and if it is
>  		 * there then dispose it
>  		 */
> -		virq = irq_find_mapping(d->domain, hwirq);
> -		if (virq)
> -			irq_dispose_mapping(virq);
> +		irq_dispose_mapping(irq_find_mapping(d->domain, hwirq));

This just makes the code less readable, and for no good reason.

Johan

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2026-10-22  8:14 UTC | newest]

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2026-10-21 20:50 [PATCH v1 1/1] regmap: irq: Get rid of duplicate check in regmap_del_irq_chip() Andy Shevchenko
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