[PATCH 4.9 14/71] MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores

From: Greg Kroah-Hartman
Date: Fri Sep 11 2020 - 13:24:02 EST


From: Florian Fainelli <f.fainelli@xxxxxxxxx>

[ Upstream commit e14f633b66902615cf7faa5d032b45ab8b6fb158 ]

The initialization done by bmips_cpu_setup() typically affects both
threads of a given core, on 7435 which supports 2 cores and 2 threads,
logical CPU number 2 and 3 would not run this initialization.

Fixes: 738a3f79027b ("MIPS: BMIPS: Add early CPU initialization code")
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/mips/kernel/smp-bmips.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 416d53f587e7c..6e36717527754 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -236,6 +236,8 @@ static void bmips_boot_secondary(int cpu, struct task_struct *idle)
*/
static void bmips_init_secondary(void)
{
+ bmips_cpu_setup();
+
switch (current_cpu_type()) {
case CPU_BMIPS4350:
case CPU_BMIPS4380:
--
2.25.1