Re: [PATCH] MIPS: lantiq: register smp_ops on non-smp platforms

From: Thomas Bogendoerfer
Date: Fri Jan 26 2024 - 05:30:50 EST


On Mon, Jan 22, 2024 at 07:47:09PM +0100, Aleksander Jan Bajkowski wrote:
> Lantiq uses a common kernel config for devices with 24Kc and 34Kc cores.
> The changes made previously to add support for interrupts on all cores
> work on 24Kc platforms with SMP disabled and 34Kc platforms with SMP
> enabled. This patch fixes boot issues on Danube (single core 24Kc) with
> SMP enabled.
>
> Fixes: 730320fd770d ("MIPS: lantiq: enable all hardware interrupts on second VPE")
> Signed-off-by: Aleksander Jan Bajkowski <olek2@xxxxx>
> ---
> arch/mips/lantiq/prom.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
> index a3cf29365858..0c45767eacf6 100644
> --- a/arch/mips/lantiq/prom.c
> +++ b/arch/mips/lantiq/prom.c
> @@ -108,10 +108,9 @@ void __init prom_init(void)
> prom_init_cmdline();
>
> #if defined(CONFIG_MIPS_MT_SMP)
> - if (cpu_has_mipsmt) {
> - lantiq_smp_ops = vsmp_smp_ops;
> + lantiq_smp_ops = vsmp_smp_ops;
> + if (cpu_has_mipsmt)
> lantiq_smp_ops.init_secondary = lantiq_init_secondary;
> - register_smp_ops(&lantiq_smp_ops);
> - }
> + register_smp_ops(&lantiq_smp_ops);
> #endif
> }
> --
> 2.39.2

applied to mips-fixes.

Thomas.

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