3 files changed, 7 insertions, 64 deletions

diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 765d0f57c78..bde899e155d 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -44,36 +44,10 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
 	return tsk->thread.lr;
 }
 
-/*
- * Powermanagement idle function, if any..
- */
-static void (*pm_idle)(void) = NULL;
-
 void (*pm_power_off)(void) = NULL;
 EXPORT_SYMBOL(pm_power_off);
 
 /*
- * We use this is we don't have any better
- * idle routine..
- */
-static void default_idle(void)
-{
-	/* M32R_FIXME: Please use "cpu_sleep" mode.  */
-	cpu_relax();
-}
-
-/*
- * On SMP it's slightly faster (but much more power-consuming!)
- * to poll the ->work.need_resched flag instead of waiting for the
- * cross-CPU IPI to arrive. Use this option with caution.
- */
-static void poll_idle (void)
-{
-	/* M32R_FIXME */
-	cpu_relax();
-}
-
-/*
  * The idle thread. There's no useful work to be
  * done, so just try to conserve power and have a
  * low exit latency (ie sit in a loop waiting for
@@ -84,14 +58,8 @@ void cpu_idle (void)
 	/* endless idle loop with no priority at all */
 	while (1) {
 		rcu_idle_enter();
-		while (!need_resched()) {
-			void (*idle)(void) = pm_idle;
-
-			if (!idle)
-				idle = default_idle;
-
-			idle();
-		}
+		while (!need_resched())
+			cpu_relax();
 		rcu_idle_exit();
 		schedule_preempt_disabled();
 	}
@@ -120,21 +88,6 @@ void machine_power_off(void)
 	/* M32R_FIXME */
 }
 
-static int __init idle_setup (char *str)
-{
-	if (!strncmp(str, "poll", 4)) {
-		printk("using poll in idle threads.\n");
-		pm_idle = poll_idle;
-	} else if (!strncmp(str, "sleep", 4)) {
-		printk("using sleep in idle threads.\n");
-		pm_idle = default_idle;
-	}
-
-	return 1;
-}
-
-__setup("idle=", idle_setup);
-
 void show_regs(struct pt_regs * regs)
 {
 	printk("\n");
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 6e3c26a1607..d503568cb75 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -27,15 +27,6 @@
 
 #define DEBUG_SIG 0
 
-asmlinkage int
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
-		unsigned long r2, unsigned long r3, unsigned long r4,
-		unsigned long r5, unsigned long r6, struct pt_regs *regs)
-{
-	return do_sigaltstack(uss, uoss, regs->spu);
-}
-
-
 /*
  * Do a signal return; undo the signal stack.
  */
@@ -113,7 +104,7 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1,
 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result))
 		goto badframe;
 
-	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->spu) == -EFAULT)
+	if (restore_altstack(&frame->uc.uc_stack))
 		goto badframe;
 
 	return result;
@@ -213,10 +204,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	/* Create the ucontext.  */
 	err |= __put_user(0, &frame->uc.uc_flags);
 	err |= __put_user(0, &frame->uc.uc_link);
-	err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
-	err |= __put_user(sas_ss_flags(regs->spu),
-			  &frame->uc.uc_stack.ss_flags);
-	err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+	err |= __save_altstack(&frame->uc.uc_stack, regs->spu);
 	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]);
 	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
 	if (err)
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index 84dd04048db..1a15f81ea1b 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -57,7 +57,7 @@ extern void smp_local_timer_interrupt(void);
 
 static unsigned long latch;
 
-u32 arch_gettimeoffset(void)
+static u32 m32r_gettimeoffset(void)
 {
 	unsigned long  elapsed_time = 0;  /* [us] */
 
@@ -165,6 +165,8 @@ void read_persistent_clock(struct timespec *ts)
 
 void __init time_init(void)
 {
+	arch_gettimeoffset = m32r_gettimeoffset;
+
 #if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \
 	|| defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \
 	|| defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)