linux-kernel - [PATCH] MIPS: SGI-IP30: Use bitmap API when iterating over bitmap

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Message-ID: <20240417071830.47703-1-philmd@linaro.org>
Date: Wed, 17 Apr 2024 09:18:29 +0200
From: Philippe Mathieu-Daudé <philmd@...aro.org>
To: linux-kernel@...r.kernel.org
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	linux-mips@...r.kernel.org,
	Philippe Mathieu-Daudé <philmd@...aro.org>,
	Yury Norov <yury.norov@...il.com>
Subject: [PATCH] MIPS: SGI-IP30: Use bitmap API when iterating over bitmap

Do not open-code bitmap_set(). Besides, <linux/bitmap.h> API
allows architecture specific optimizations, so prefer it.

Use the HEART_NUM_IRQS definition to express the end of the
HEART bitmap.

Inspired-by: Yury Norov <yury.norov@...il.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@...aro.org>
---
 arch/mips/sgi-ip30/ip30-irq.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/mips/sgi-ip30/ip30-irq.c b/arch/mips/sgi-ip30/ip30-irq.c
index 423c32cb66ed..bdafff076191 100644
--- a/arch/mips/sgi-ip30/ip30-irq.c
+++ b/arch/mips/sgi-ip30/ip30-irq.c
@@ -264,7 +264,6 @@ void __init arch_init_irq(void)
 	struct irq_domain *domain;
 	struct fwnode_handle *fn;
 	unsigned long *mask;
-	int i;
 
 	mips_cpu_irq_init();
 
@@ -300,8 +299,7 @@ void __init arch_init_irq(void)
 	set_bit(HEART_L3_INT_TIMER, heart_irq_map);
 
 	/* Reserve the error interrupts (#51 to #63). */
-	for (i = HEART_L4_INT_XWID_ERR_9; i <= HEART_L4_INT_HEART_EXCP; i++)
-		set_bit(i, heart_irq_map);
+	bitmap_set(heart_irq_map, HEART_L4_INT_XWID_ERR_9, HEART_NUM_IRQS);
 
 	fn = irq_domain_alloc_named_fwnode("HEART");
 	WARN_ON(fn == NULL);
-- 
2.41.0