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Commit 2bd00736 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: Yosemite: Convert SMP startup lock to arch spinlock. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1a73f047

arch/mips/pmc-sierra/yosemite/smp.c

+4 −4
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ 


#define LAUNCHSTACK_SIZE 256



static __cpuinitdata DEFINE_SPINLOCK(launch_lock);

static __cpuinitdata arch_spinlock_t launch_lock = __ARCH_SPIN_LOCK_UNLOCKED;



static unsigned long secondary_sp __cpuinitdata;

static unsigned long secondary_gp __cpuinitdata;
@@ -20,7 +20,7 @@ static void __init prom_smp_bootstrap(void) 
{

	local_irq_disable();



	while (spin_is_locked(&launch_lock));

	while (arch_spin_is_locked(&launch_lock));



	__asm__ __volatile__(

	"	move	$sp, %0		\n"
@@ -37,7 +37,7 @@ static void __init prom_smp_bootstrap(void) 
 */

void __init prom_grab_secondary(void)

{

	spin_lock(&launch_lock);

	arch_spin_lock(&launch_lock);



	pmon_cpustart(1, &prom_smp_bootstrap,

	              launchstack + LAUNCHSTACK_SIZE, 0);
@@ -138,7 +138,7 @@ static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle) 
	secondary_sp = sp;

	secondary_gp = gp;



	spin_unlock(&launch_lock);

	arch_spin_unlock(&launch_lock);

}



/*