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authorIngo Molnar <mingo@kernel.org>2019-02-04 08:45:42 +0100
committerIngo Molnar <mingo@kernel.org>2019-02-04 08:45:42 +0100
commit98cb621081705e2244ef6c265ff8a9f2208c7e2a (patch)
tree6205be47a83d54d3e35e049b67973244120f8bd6 /drivers/irqchip/irq-xtensa-pic.c
parentb844ff366f06a2bcecfbd053b4d4a472e670dec8 (diff)
parent9dff0aa95a324e262ffb03f425d00e4751f3294e (diff)
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/irqchip/irq-xtensa-pic.c')
-rw-r--r--drivers/irqchip/irq-xtensa-pic.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-xtensa-pic.c b/drivers/irqchip/irq-xtensa-pic.c
index c200234dd2c9..ab12328be5ee 100644
--- a/drivers/irqchip/irq-xtensa-pic.c
+++ b/drivers/irqchip/irq-xtensa-pic.c
@@ -70,7 +70,11 @@ static void xtensa_irq_ack(struct irq_data *d)
static int xtensa_irq_retrigger(struct irq_data *d)
{
- xtensa_set_sr(1 << d->hwirq, intset);
+ unsigned int mask = 1u << d->hwirq;
+
+ if (WARN_ON(mask & ~XCHAL_INTTYPE_MASK_SOFTWARE))
+ return 0;
+ xtensa_set_sr(mask, intset);
return 1;
}