| Date | Sun, 10 Apr 2022 20:34:42 -0000 | From | "tip-bot2 for Yury Norov" <> | Subject | [tip: irq/core] irqchip/bmips: Replace cpumask_weight() with cpumask_empty() |
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The following commit has been merged into the irq/core branch of tip:
Commit-ID: 0de61d739c21003201a0adb1f5c403f89a7c2441 Gitweb: https://git.kernel.org/tip/0de61d739c21003201a0adb1f5c403f89a7c2441 Author: Yury Norov <yury.norov@gmail.com> AuthorDate: Thu, 10 Feb 2022 14:49:04 -08:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Sun, 10 Apr 2022 22:28:28 +02:00
irqchip/bmips: Replace cpumask_weight() with cpumask_empty()
bcm6345_l1_of_init() calls cpumask_weight() to check if any bit of a given cpumask is set.
This can be done more efficiently with cpumask_empty() because cpumask_empty() stops traversing the cpumask as soon as it finds first set bit, while cpumask_weight() counts all bits unconditionally.
Signed-off-by: Yury Norov <yury.norov@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20220210224933.379149-21-yury.norov@gmail.com
--- drivers/irqchip/irq-bcm6345-l1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c index fd07921..142a743 100644 --- a/drivers/irqchip/irq-bcm6345-l1.c +++ b/drivers/irqchip/irq-bcm6345-l1.c @@ -315,7 +315,7 @@ static int __init bcm6345_l1_of_init(struct device_node *dn, cpumask_set_cpu(idx, &intc->cpumask); } - if (!cpumask_weight(&intc->cpumask)) { + if (cpumask_empty(&intc->cpumask)) { ret = -ENODEV; goto out_free; }
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