diff options
-rw-r--r-- | arch/arm/mach-uniphier/arm64/smp_kick_cpus.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-uniphier/arm64/smp_kick_cpus.c b/arch/arm/mach-uniphier/arm64/smp_kick_cpus.c index 64412e0ecc..5971ad256b 100644 --- a/arch/arm/mach-uniphier/arm64/smp_kick_cpus.c +++ b/arch/arm/mach-uniphier/arm64/smp_kick_cpus.c @@ -21,11 +21,11 @@ void uniphier_smp_kick_all_cpus(void) rom_boot_rsv0 = map_sysmem(UNIPHIER_SMPCTRL_ROM_RSV0, SZ_8); writeq((u64)uniphier_secondary_startup, rom_boot_rsv0); - readq(rom_boot_rsv0); /* relax */ unmap_sysmem(rom_boot_rsv0); uniphier_smp_setup(); - asm("sev"); /* Bring up all secondary CPUs from Boot ROM into U-Boot */ + asm("dsb ishst\n" /* Ensure the write to ROM_RSV0 is visible */ + "sev"); /* Bring up all secondary CPUs from Boot ROM into U-Boot */ } |