| From | Mylène Josserand <> | Subject | [PATCH v3 7/7] ARM: sun8i: smp: Remove the disabling of CPU0 | Date | Mon, 19 Feb 2018 09:18:37 +0100 |
| |
On sun8i-a63t, hotplug CPU for CPU0 is currently not working. Remove the possibility to disable CPU0 only for sun8i-a83t.
Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com> --- arch/arm/mach-sunxi/mc_smp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c index fec592bf68b4..69d5ae5b3d72 100644 --- a/arch/arm/mach-sunxi/mc_smp.c +++ b/arch/arm/mach-sunxi/mc_smp.c @@ -661,8 +661,12 @@ static int sunxi_mc_smp_cpu_kill(unsigned int l_cpu) return !ret; } -static bool sunxi_mc_smp_cpu_can_disable(unsigned int __unused) +static bool sunxi_mc_smp_cpu_can_disable(unsigned int cpu) { + /* CPU0 hotplug handled only for sun9i */ + if (of_machine_is_compatible("allwinner,sun8i-a83t")) + if (cpu == 0) + return false; return true; } #endif -- 2.11.0
|