linux - Difference between enable_irq_wake and enable_irq -



linux - Difference between enable_irq_wake and enable_irq -

my driver using irq can wake device, enable_irq_wake plenty or need first enable_irq , set enable_irq_wake. looked definition of these functions, not able understand much.

i tried using both combination not seem have effect. mean utilize enable_irq_wake , in other case utilize enable_irq enable_irq_wake.

thank you

if check here, you'll see enable_irq_wake invokes set_irq_wake_real not enable irq.

further more, take illustration driver: enable/disable_irq irq @ open/close, while enable/disable_irq_wake @ suspend/resume.

linux linux-kernel linux-device-driver embedded-linux irq

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