MIPS: smp-cps: cpu_set FPU mask if FPU present
authorNiklas Cassel <niklas.cassel@axis.com>
Thu, 15 Jan 2015 15:41:13 +0000 (16:41 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Fri, 10 Apr 2015 13:41:52 +0000 (15:41 +0200)
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>
arch/mips/kernel/smp-cps.c

index bed7590..d5589be 100644 (file)
@@ -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)