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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 17:03:23 +0200 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 17:03:23 +0200 |
commit | 25fbe5ca4d0f37170451b682bd150a70f944aca0 (patch) | |
tree | c23f80847119d9f297206a37af2ad548ccdde802 /arch/arm/mach-shmobile/platsmp.c | |
parent | ff67a6b9aaddb2dea6ed4a3f7df8a0c6acf131c2 (diff) | |
download | kernel_samsung_smdk4412-25fbe5ca4d0f37170451b682bd150a70f944aca0.zip kernel_samsung_smdk4412-25fbe5ca4d0f37170451b682bd150a70f944aca0.tar.gz kernel_samsung_smdk4412-25fbe5ca4d0f37170451b682bd150a70f944aca0.tar.bz2 |
update other arm platforms from 3.2.72 and also merge some general arm code (boot)
Diffstat (limited to 'arch/arm/mach-shmobile/platsmp.c')
-rw-r--r-- | arch/arm/mach-shmobile/platsmp.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index f3888fe..c49a833 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -21,9 +21,11 @@ #include <asm/mach-types.h> #include <mach/common.h> +#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2()) + static unsigned int __init shmobile_smp_get_core_count(void) { - if (machine_is_ag5evm()) + if (is_sh73a0()) return sh73a0_get_core_count(); return 1; @@ -31,7 +33,7 @@ static unsigned int __init shmobile_smp_get_core_count(void) static void __init shmobile_smp_prepare_cpus(void) { - if (machine_is_ag5evm()) + if (is_sh73a0()) sh73a0_smp_prepare_cpus(); } @@ -39,13 +41,13 @@ void __cpuinit platform_secondary_init(unsigned int cpu) { trace_hardirqs_off(); - if (machine_is_ag5evm()) + if (is_sh73a0()) sh73a0_secondary_init(cpu); } int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) { - if (machine_is_ag5evm()) + if (is_sh73a0()) return sh73a0_boot_secondary(cpu); return -ENOSYS; @@ -56,6 +58,12 @@ void __init smp_init_cpus(void) unsigned int ncores = shmobile_smp_get_core_count(); unsigned int i; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; + } + for (i = 0; i < ncores; i++) set_cpu_possible(i, true); @@ -64,10 +72,5 @@ void __init smp_init_cpus(void) void __init platform_smp_prepare_cpus(unsigned int max_cpus) { - int i; - - for (i = 0; i < max_cpus; i++) - set_cpu_present(i, true); - shmobile_smp_prepare_cpus(); } |