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csky/smp: Fixup boot failed when CONFIG_SMP

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[ Upstream commit c9492737b25ca32679ba3163609d938c9abfd508 ]

If we use a non-ipi-support interrupt controller, it will cause panic here.
We should let cpu up and work with CONFIG_SMP, when we use a non-ipi intc.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Guo Ren 2020-01-07 12:21:25 +08:00 committed by Greg Kroah-Hartman
parent eb2ac8c497
commit c7ce725c52
1 changed files with 1 additions and 1 deletions
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2
arch/csky/kernel/smp.c
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@ -120,7 +120,7 @@ void __init setup_smp_ipi(void)
int rc;
if (ipi_irq == 0)
panic("%s IRQ mapping failed\n", __func__);
return;
rc = request_percpu_irq(ipi_irq, handle_ipi, "IPI Interrupt",
&ipi_dummy_dev);