summaryrefslogtreecommitdiff
path: root/drivers/irqchip/irq-gic.c
diff options
context:
space:
mode:
authorWolfram Sang <wsa@kernel.org>2020-07-31 16:54:27 +0300
committerWolfram Sang <wsa@kernel.org>2020-07-31 16:54:27 +0300
commit073d398dc4841f62488ac6060ffeb9dfce6e0a98 (patch)
tree2ae9d508d0cd27f02584b9befb063dda5cb11a0b /drivers/irqchip/irq-gic.c
parentafca861bc6a3141c858d08279eb9afca76584fa6 (diff)
parent92ed301919932f777713b9172e525674157e983d (diff)
downloadlinux-073d398dc4841f62488ac6060ffeb9dfce6e0a98.tar.xz
Merge tag 'v5.8-rc7' into i2c/for-5.9
Diffstat (limited to 'drivers/irqchip/irq-gic.c')
-rw-r--r--drivers/irqchip/irq-gic.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 00de05abd3c3..c17fabd6741e 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -329,10 +329,8 @@ static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
- unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
- u32 val, mask, bit;
- unsigned long flags;
+ void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + gic_irq(d);
+ unsigned int cpu;
if (!force)
cpu = cpumask_any_and(mask_val, cpu_online_mask);
@@ -342,13 +340,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
return -EINVAL;
- gic_lock_irqsave(flags);
- mask = 0xff << shift;
- bit = gic_cpu_map[cpu] << shift;
- val = readl_relaxed(reg) & ~mask;
- writel_relaxed(val | bit, reg);
- gic_unlock_irqrestore(flags);
-
+ writeb_relaxed(gic_cpu_map[cpu], reg);
irq_data_update_effective_affinity(d, cpumask_of(cpu));
return IRQ_SET_MASK_OK_DONE;