linux-kernel - [tip: irq/core] ARM: Switch to irq_get_nr_irqs() / irq_set_nr

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Message-ID: <172910906847.1442.3187972354828688843.tip-bot2@tip-bot2>
Date: Wed, 16 Oct 2024 20:04:28 -0000
From: "tip-bot2 for Bart Van Assche" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Bart Van Assche <bvanassche@....org>, Thomas Gleixner <tglx@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] ARM: Switch to irq_get_nr_irqs() / irq_set_nr_irqs()

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     bc033158a0e691428b6acc9bc8ab16566651ec0c
Gitweb:        https://git.kernel.org/tip/bc033158a0e691428b6acc9bc8ab16566651ec0c
Author:        Bart Van Assche <bvanassche@....org>
AuthorDate:    Tue, 15 Oct 2024 12:09:33 -07:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 16 Oct 2024 21:56:56 +02:00

ARM: Switch to irq_get_nr_irqs() / irq_set_nr_irqs()

Use the irq_get_nr_irqs() and irq_set_nr_irqs() functions instead of the
global variable 'nr_irqs'. Prepare for changing 'nr_irqs' from an
exported global variable into a variable with file scope.

Signed-off-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-3-bvanassche@acm.org

---
 arch/arm/kernel/irq.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index dab42d0..e1993e2 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -111,7 +111,7 @@ void handle_IRQ(unsigned int irq, struct pt_regs *regs)
 	 * Some hardware gives randomly wrong interrupts.  Rather
 	 * than crashing, do something sensible.
 	 */
-	if (unlikely(!irq || irq >= nr_irqs))
+	if (unlikely(!irq || irq >= irq_get_nr_irqs()))
 		desc = NULL;
 	else
 		desc = irq_to_desc(irq);
@@ -151,7 +151,6 @@ void __init init_IRQ(void)
 #ifdef CONFIG_SPARSE_IRQ
 int __init arch_probe_nr_irqs(void)
 {
-	nr_irqs = machine_desc->nr_irqs ? machine_desc->nr_irqs : NR_IRQS;
-	return nr_irqs;
+	return irq_set_nr_irqs(machine_desc->nr_irqs ? : NR_IRQS);
 }
 #endif