When support suspend/resume for loongson-pch-pic, the syscore_ops
is registered twice in dual-bridges machines where there are two
pch-pic IRQ domains. Repeated registration of an same syscore_ops
broke syscore_ops_list, so the patch will corret it.
Fixes: 1ed008a2c331 ("irqchip/loongson-pch-pic: Add suspend/resume support")
Signed-off-by: Jianmin Lv <lvjianmin@xxxxxxxxxxx>
---
drivers/irqchip/irq-loongson-pch-pic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c
index 437f1af693d0..64fa67d4ee7a 100644
--- a/drivers/irqchip/irq-loongson-pch-pic.c
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -311,7 +311,8 @@ static int pch_pic_init(phys_addr_t addr, unsigned long size, int vec_base,
pch_pic_handle[nr_pics] = domain_handle;
pch_pic_priv[nr_pics++] = priv;
- register_syscore_ops(&pch_pic_syscore_ops);
+ if (nr_pics == 1)
+ register_syscore_ops(&pch_pic_syscore_ops);
return 0;
--
2.31.1
