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Blackfin: drop cpu_callin_map on SMP systems
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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>
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Graf Yang authored and Mike Frysinger committed Mar 9, 2010
1 parent 0325f25 commit 682f5dc
Showing 1 changed file with 3 additions and 6 deletions.
9 changes: 3 additions & 6 deletions arch/blackfin/mach-bf561/smp.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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);
}
Expand All @@ -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;
Expand Down

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