genirq: Make the cpuhotplug migration code less noisy
The original arm code has a pr_debug() statement for the case where the irq chip has no set_affinity() callback. That's sufficient for debugging and we really don't want to spam dmesg with useless warnings for the normal case. Fixes: f1e0bb0a: "genirq: Introduce generic irq migration for cpu hotunplug" Reported-by: NGeert Uytterhoeven <geert@linux-m68k.org> Requested-by: NRussell King <linux@arm.linux.org.uk> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Yang Yingliang <yangyingliang@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Hanjun Guo <hanjun.guo@linaro.org> Cc: Jiang Liu <jiang.liu@linux.intel.com>
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