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.josser...@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
