Message ID | 1542294698-17470-2-git-send-email-b.zolnierkie@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [1/9] ARM: EXYNOS: remove secondary startup initialization from smp_prepare_cpus | expand |
On Thu, Nov 15, 2018 at 04:11:30PM +0100, Bartlomiej Zolnierkiewicz wrote: > From: Pankaj Dubey <pankaj.dubey@samsung.com> > > We are taking care of setting secondary cpu boot address in > exynos_boot_secondary just before sending ipi to secondary CPUs, > so we can safely remove this setting from smp_prepare_cpus. > > Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> > Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> > --- > arch/arm/mach-exynos/platsmp.c | 26 -------------------------- Thanks, applied. Best regards, Krzysztof
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 6a1e682..c39ffd2 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -397,38 +397,12 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle) static void __init exynos_smp_prepare_cpus(unsigned int max_cpus) { - int i; - exynos_sysram_init(); exynos_set_delayed_reset_assertion(true); if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) exynos_scu_enable(); - - /* - * Write the address of secondary startup into the - * system-wide flags register. The boot monitor waits - * until it receives a soft interrupt, and then the - * secondary CPU branches to this address. - * - * Try using firmware operation first and fall back to - * boot register if it fails. - */ - for (i = 1; i < max_cpus; ++i) { - unsigned long boot_addr; - u32 mpidr; - u32 core_id; - int ret; - - mpidr = cpu_logical_map(i); - core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0); - boot_addr = __pa_symbol(exynos4_secondary_startup); - - ret = exynos_set_boot_addr(core_id, boot_addr); - if (ret) - break; - } } #ifdef CONFIG_HOTPLUG_CPU