irqchip: gic: fix irq_trigger return
The genirq layer expects a 0 in case that the retrigger function is not able to resend the irq in hardware, but the code is returning -ENXIO. Fix it. [ tglx: Reworked comment and changelog ] Signed-off-by: NAbhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1363734349-32635-1-git-send-email-sboyd@codeaurora.orgSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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