From bec1b8193651ea4394cc4d6e18152cb83e735f93 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 22 Mar 2006 10:22:58 +0000 Subject: [PATCH] [ARM] Quieten spurious IRQ detection Only issue a "nobody cared" warning after 99900 spurious interrupts. This avoids the occasional spurious interrupt causing warnings, as per x86. Signed-off-by: Russell King --- arch/arm/kernel/irq.c | 11 ++++++++--- include/asm-arm/mach/irq.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 1d50d2b98f55..2d5896b36181 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -305,14 +305,19 @@ report_bad_irq(unsigned int irq, struct pt_regs *regs, struct irqdesc *desc, int static int count = 100; struct irqaction *action; - if (!count || noirqdebug) + if (noirqdebug) return; - count--; - if (ret != IRQ_HANDLED && ret != IRQ_NONE) { + if (!count) + return; + count--; printk("irq%u: bogus retval mask %x\n", irq, ret); } else { + desc->irqs_unhandled++; + if (desc->irqs_unhandled <= 99900) + return; + desc->irqs_unhandled = 0; printk("irq%u: nobody cared\n", irq); } show_regs(regs); diff --git a/include/asm-arm/mach/irq.h b/include/asm-arm/mach/irq.h index 76d05244c632..d4d420ecf3a8 100644 --- a/include/asm-arm/mach/irq.h +++ b/include/asm-arm/mach/irq.h @@ -74,6 +74,7 @@ struct irqdesc { unsigned int noautoenable : 1; /* don't automatically enable IRQ */ unsigned int unused :25; + unsigned int irqs_unhandled; struct proc_dir_entry *procdir; #ifdef CONFIG_SMP -- 2.30.2