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

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From: Linux Kernel Mailing List
Subject: MIPS: Yosemite: Convert SMP startup lock to arch spinlock.
Date: Saturday, February 27, 2010 - 6:01 pm

Gitweb:     http://git.kernel.org/linus/2bd0073656963f7683275dbda600bf5dfc05232a
Commit:     2bd0073656963f7683275dbda600bf5dfc05232a
Parent:     1a73f0478a289ee5bb2e4f44a6ecf1d6d6410eab
Author:     Ralf Baechle <ralf@linux-mips.org>
AuthorDate: Sat Feb 27 12:53:37 2010 +0100
Committer:  Ralf Baechle <ralf@linux-mips.org>
CommitDate: Sat Feb 27 12:53:37 2010 +0100

    MIPS: Yosemite: Convert SMP startup lock to arch spinlock.
    
    Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/pmc-sierra/yosemite/smp.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c
index 326fe7a..efc9e88 100644
--- a/arch/mips/pmc-sierra/yosemite/smp.c
+++ b/arch/mips/pmc-sierra/yosemite/smp.c
@@ -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);
 }
 
 /*
--


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