diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-09-27 20:55:03 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-10-12 16:39:08 +0200 |
| commit | b683de2b3cb17bb10fa6fd4af614dc75b5749fe0 (patch) | |
| tree | e1a799293b218f5c13d4903c57fab144b2f433b3 /arch | |
| parent | aa99ec0f3f26bf2bcd0fa5176de93598427f1e5e (diff) | |
genirq: Query arch for number of early descriptors
sparse irq sets up NR_IRQS_LEGACY irq descriptors and archs then go
ahead and allocate more.
Use the unused return value of arch_probe_nr_irqs() to let the
architecture return the number of early allocations. Fix up all users.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/irq.c | 6 | ||||
| -rw-r--r-- | arch/sh/kernel/irq.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 2 |
3 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index c0d5c3b3a760..5456d11d6ae4 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -157,10 +157,8 @@ void __init init_IRQ(void) struct irq_desc *desc; int irq; - for (irq = 0; irq < nr_irqs; irq++) { - desc = irq_to_desc_alloc_node(irq, 0); + for (irq = 0; irq < nr_irqs; irq++) desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE; - } init_arch_irq(); } @@ -169,7 +167,7 @@ void __init init_IRQ(void) int __init arch_probe_nr_irqs(void) { nr_irqs = arch_nr_irqs ? arch_nr_irqs : NR_IRQS; - return 0; + return nr_irqs; } #endif diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 257de1f0692b..ae5bac39b896 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -290,7 +290,7 @@ void __init init_IRQ(void) int __init arch_probe_nr_irqs(void) { nr_irqs = sh_mv.mv_nr_irqs; - return 0; + return NR_IRQS_LEGACY; } #endif diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index f1efebaf5510..5aee1d1a306d 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -3880,7 +3880,7 @@ int __init arch_probe_nr_irqs(void) if (nr < nr_irqs) nr_irqs = nr; - return 0; + return NR_IRQS_LEGACY; } #endif |