MIPS: smp-cps: cpu_set FPU mask if FPU present

[ Upstream commit 90db024f140d0d6ad960cc5f090e3c8ed890ca55 ]

If we have an FPU, enroll ourselves in the FPU-full mask.
Matching the MT_SMP and CMP implementations of smp_setup.

Signed-off-by: Niklas Cassel <niklass@axis.com>
Cc: paul.burton@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8948/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index e6e16a1d4add0e9b785e99ba992547ad3f169917..0854f17829f3b1bb1b9e838cd1c9adacd305eff0 100644 (file)
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -88,6 +88,12 @@ static void __init cps_smp_setup(void)
 
        /* Make core 0 coherent with everything */
        write_gcr_cl_coherence(0xff);
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+       /* If we have an FPU, enroll ourselves in the FPU-full mask */
+       if (cpu_has_fpu)
+               cpu_set(0, mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
 }
 
 static void __init cps_prepare_cpus(unsigned int max_cpus)