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@acm.org>
AuthorDate: Tue, 15 Oct 2024 12:09:33 -07:00
Committer: Thomas Gleixner <tglx@linutronix.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@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.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