To support the affinity setting of per cpu timers in the early startup
of a not yet online cpu, implement the force logic, which disables the
cpu online check.

Tagged for stable to allow a simple fix of the affected SoC clock
event drivers.

Signed-off-by: Thomas Gleixner <[email protected]>
---
 drivers/irqchip/irq-gic.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Index: tip/drivers/irqchip/irq-gic.c
===================================================================
--- tip.orig/drivers/irqchip/irq-gic.c
+++ tip/drivers/irqchip/irq-gic.c
@@ -246,10 +246,14 @@ static int gic_set_affinity(struct irq_d
                            bool force)
 {
        void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & 
~3);
-       unsigned int shift = (gic_irq(d) % 4) * 8;
-       unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+       unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
        u32 val, mask, bit;
 
+       if (!force)
+               cpu = cpumask_any_and(mask_val, cpu_online_mask);
+       else
+               cpu = cpumask_first(mask_val);
+
        if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
                return -EINVAL;
 


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