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Blackfin: drop cpu_callin_map on SMP systems 

Common API already provides functions for managing online CPUs.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Graf Yang 2009-12-28 09:27:27 +00:00 committed by Mike Frysinger
parent 0325f25a91
commit 682f5dc4ed
1 changed files with 3 additions and 6 deletions
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9
arch/blackfin/mach-bf561/smp.c
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@ -14,8 +14,6 @@
static DEFINE_SPINLOCK(boot_lock);
static cpumask_t cpu_callin_map;
/*
* platform_init_cpus() - Tell the world about how many cores we
* have. This is called while setting up the architecture support
@ -72,7 +70,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
bfin_setup_cpudata(cpu);
/* We are done with local CPU inits, unblock the boot CPU. */
cpu_set(cpu, cpu_callin_map);
set_cpu_online(cpu, true);
spin_lock(&boot_lock);
spin_unlock(&boot_lock);
}
@ -95,14 +93,13 @@ int __cpuinit platform_boot_secondary(unsigned int cpu, struct task_struct *idle
timeout = jiffies + 1 * HZ;
while (time_before(jiffies, timeout)) {
if (cpu_isset(cpu, cpu_callin_map))
if (cpu_online(cpu))
break;
udelay(100);
barrier();
}
if (cpu_isset(cpu, cpu_callin_map)) {
cpu_set(cpu, cpu_online_map);
if (cpu_online(cpu)) {
/* release the lock and let coreb run */
spin_unlock(&boot_lock);
return 0;