Currently for an ioapic chip irq, if we call irq_set_irq_wake()
we will get the ENXIO returning error, but some drivers need the
wake-up interrupts pending mechanism.
Here adding the flag IRQCHIP_SKIP_SET_WAKE instead of emtpy callback.
Signed-off-by: liu chuansheng <chuansheng....@intel.com>
---
arch/x86/kernel/apic/io_apic.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9ed796c..7d0baf7 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2520,6 +2520,7 @@ static struct irq_chip ioapic_chip __read_mostly = {
.irq_eoi = ack_apic_level,
.irq_set_affinity = native_ioapic_set_affinity,
.irq_retrigger = ioapic_retrigger_irq,
+ .flags = IRQCHIP_SKIP_SET_WAKE,
};
static inline void init_IO_APIC_traps(void)
--
1.7.0.4
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