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authorPaul Mundt <lethal@linux-sh.org>2011-01-06 22:03:22 -0500
committerPaul Mundt <lethal@linux-sh.org>2011-01-06 22:03:22 -0500
commitc413521eb4e2d7ffd5ce432a144708d479054bd3 (patch)
tree215ce1a6070937386c272f2ee2fed02c5ba8cf86 /arch
parentc0312b33daa721a92633181fd4fe508484c81a2d (diff)
ARM: mach-shmobile: update for SMP changes.
There have likewise been some API updates, so we refactor to use the consolidated smp_prepare_cpus(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-shmobile/platsmp.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index 3c2c0f49073e..65e879bab4dc 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -2,6 +2,7 @@
2 * SMP support for R-Mobile / SH-Mobile 2 * SMP support for R-Mobile / SH-Mobile
3 * 3 *
4 * Copyright (C) 2010 Magnus Damm 4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2011 Paul Mundt
5 * 6 *
6 * Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved 7 * Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
7 * 8 *
@@ -33,7 +34,6 @@ static void __init shmobile_smp_prepare_cpus(void)
33 sh73a0_smp_prepare_cpus(); 34 sh73a0_smp_prepare_cpus();
34} 35}
35 36
36
37void __cpuinit platform_secondary_init(unsigned int cpu) 37void __cpuinit platform_secondary_init(unsigned int cpu)
38{ 38{
39 trace_hardirqs_off(); 39 trace_hardirqs_off();
@@ -59,27 +59,12 @@ void __init smp_init_cpus(void)
59 set_cpu_possible(i, true); 59 set_cpu_possible(i, true);
60} 60}
61 61
62void __init smp_prepare_cpus(unsigned int max_cpus) 62void __init platform_smp_prepare_cpus(unsigned int max_cpus)
63{ 63{
64 unsigned int ncores = shmobile_smp_get_core_count();
65 unsigned int cpu = smp_processor_id();
66 int i; 64 int i;
67 65
68 smp_store_cpu_info(cpu);
69
70 if (max_cpus > ncores)
71 max_cpus = ncores;
72
73 for (i = 0; i < max_cpus; i++) 66 for (i = 0; i < max_cpus; i++)
74 set_cpu_present(i, true); 67 set_cpu_present(i, true);
75 68
76 if (max_cpus > 1) { 69 shmobile_smp_prepare_cpus();
77 shmobile_smp_prepare_cpus();
78
79 /*
80 * Enable the local timer or broadcast device for the
81 * boot CPU, but only if we have more than one CPU.
82 */
83 percpu_timer_setup();
84 }
85} 70}