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authorPankaj Dubey <pankaj.dubey@samsung.com>2018-11-15 16:11:30 +0100
committerKrzysztof Kozlowski <krzk@kernel.org>2018-11-18 15:12:50 +0100
commitcafbc79e327f44411b8bd8bdc101b9e6c65ab42a (patch)
treea9c3c1e689b5eae194ad6304f88de59bf9baa682 /arch/arm/mach-exynos
parentb1658855f08754dc685bd75d12f0b5b0e2925f3f (diff)
downloadlinux-cafbc79e327f44411b8bd8bdc101b9e6c65ab42a.tar.bz2
ARM: exynos: Remove secondary startup initialization from smp_prepare_cpus
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> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r--arch/arm/mach-exynos/platsmp.c26
1 files changed, 0 insertions, 26 deletions
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 6a1e682371b3..c39ffd2e2fe6 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -397,38 +397,12 @@ fail:
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