ARM: shmobile: r8a7779: Stop powering down secondary CPUs during early boot
authorGeert Uytterhoeven <geert+renesas@glider.be>
Wed, 30 May 2018 15:25:12 +0000 (17:25 +0200)
committerSimon Horman <horms+renesas@verge.net.au>
Mon, 18 Jun 2018 10:00:26 +0000 (12:00 +0200)
At .smp_prepare_cpus() time, CPUs 1-3 are still powered down:
  - The bootloader doesn't enable CPUs 1-3,
  - Non-boot CPUs are disabled by kexec before starting the new kernel.

Hence there is no need to try to power them down again, as it will fail
silently with -EIO anyway.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/mach-shmobile/smp-r8a7779.c

index c6951ee..ff1e6fc 100644 (file)
@@ -97,11 +97,6 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
        shmobile_smp_scu_prepare_cpus(R8A7779_SCU_BASE, max_cpus);
 
        r8a7779_pm_init();
-
-       /* power off secondary CPUs */
-       r8a7779_platform_cpu_kill(1);
-       r8a7779_platform_cpu_kill(2);
-       r8a7779_platform_cpu_kill(3);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU