Thomas Gleixner 1f85b1f5e1
genirq: Add return value to check_irq_resend() ...
In preparation for an interrupt injection interface which can be used
safely by error injection mechanisms. e.g. PCI-E/ AER, add a return value
to check_irq_resend() so errors can be propagated to the caller.
Split out the software resend code so the ugly #ifdef in check_irq_resend()
goes away and the whole thing becomes readable.
Fix up the caller in debugfs. The caller in irq_startup() does not care
about the return value as this is unconditionally invoked for all
interrupts and the resend is best effort anyway.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de >
Acked-by: Marc Zyngier <maz@kernel.org >
Link: https://lkml.kernel.org/r/20200306130623.775200917@linutronix.de
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