target/linux/mvebu/patches-4.9/130-irqchip-armada-xp-backport.patch

   1 Backport a change that updates the effective affinity mask. The Armada IRQ
   2 controller only supports setting the affinity to a single CPU, and the IRQ
   3 subsystem needs to know about that.
   4
   5 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   6 ---
   7 --- a/drivers/irqchip/irq-armada-370-xp.c
   8 +++ b/drivers/irqchip/irq-armada-370-xp.c
   9 @@ -251,6 +251,8 @@ static int armada_xp_set_affinity(struct
  10         writel(reg, main_int_base + ARMADA_370_XP_INT_SOURCE_CTL(hwirq));
  11         raw_spin_unlock(&irq_controller_lock);
  12
  13 +       cpumask_copy(irq_data_get_affinity_mask(d), cpumask_of(cpu));
  14 +
  15         return IRQ_SET_MASK_OK;
  16  }
  17  #endif