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irqchip/loongson-eiointc: Fix registration of syscore_ops 

commit bdd60211ee upstream.

When support suspend/resume for loongson-eiointc, the syscore_ops
is registered twice in dual-bridges machines where there are two
eiointc IRQ domains. Repeated registration of an same syscore_ops
broke syscore_ops_list. Also, cpuhp_setup_state_nocalls is only
needed to call for once. So the patch will corret them.

Fixes: a90335c2df ("irqchip/loongson-eiointc: Add suspend/resume support")
Cc: stable@vger.kernel.org
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230407083453.6305-4-lvjianmin@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jianmin Lv 2023-04-07 16:34:51 +08:00 committed by Greg Kroah-Hartman
parent d4321e3f0c
commit 39c5beceb6
1 changed files with 4 additions and 2 deletions
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6
drivers/irqchip/irq-loongson-eiointc.c
View File

@ -422,10 +422,12 @@ int __init eiointc_acpi_init(struct irq_domain *parent,
parent_irq = irq_create_mapping(parent, acpi_eiointc->cascade);
irq_set_chained_handler_and_data(parent_irq, eiointc_irq_dispatch, priv);
register_syscore_ops(&eiointc_syscore_ops);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING,
if (nr_pics == 1) {
register_syscore_ops(&eiointc_syscore_ops);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING,
"irqchip/loongarch/intc:starting",
eiointc_router_init, NULL);
}
if (cpu_has_flatmode)
node = cpu_to_node(acpi_eiointc->node * CORES_PER_EIO_NODE);