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




#define LAUNCHSTACK_SIZE 256

#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_sp __cpuinitdata;

static unsigned long secondary_gp __cpuinitdata;

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

{

	local_irq_disable();

	local_irq_disable();





	while (spin_is_locked(&launch_lock));

	while (arch_spin_is_locked(&launch_lock));





	__asm__ __volatile__(

	__asm__ __volatile__(

	"	move	$sp, %0		\n"

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

 */

void __init prom_grab_secondary(void)

void __init prom_grab_secondary(void)

{

{

	spin_lock(&launch_lock);

	arch_spin_lock(&launch_lock);





	pmon_cpustart(1, &prom_smp_bootstrap,

	pmon_cpustart(1, &prom_smp_bootstrap,

	              launchstack + LAUNCHSTACK_SIZE, 0);

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

	secondary_sp = sp;

	secondary_gp = gp;

	secondary_gp = gp;





	spin_unlock(&launch_lock);

	arch_spin_unlock(&launch_lock);

}

}





/*

/*