cpuidle: cpuidle-cps: Enable use with MIPSr6 CPUs.

This patch enables the MIPS CPS driver for MIPSr6 CPUs.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Reviewed-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: linux-mips@linux-mips.org
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14228/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

drivers/cpuidle/Kconfig.mips

@@ -5,7 +5,7 @@ config MIPS_CPS_CPUIDLE
 	bool "CPU Idle driver for MIPS CPS platforms"
 	depends on CPU_IDLE && MIPS_CPS
 	depends on SYS_SUPPORTS_MIPS_CPS
-	select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT
+	select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT || CPU_MIPSR6
 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 	select MIPS_CPS_PM
 	default y

drivers/cpuidle/cpuidle-cps.c

@@ -163,7 +163,7 @@ static int __init cps_cpuidle_init(void)
 		core = cpu_data[cpu].core;
 		device = &per_cpu(cpuidle_dev, cpu);
 		device->cpu = cpu;
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
 		cpumask_copy(&device->coupled_cpus, &cpu_sibling_map[cpu]);
 #endif