4 files changed, 55 insertions, 23 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index b4432332341..c3f58f2f9f5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -777,7 +777,6 @@ unsigned int irq_alloc_virt(struct irq_host *host,
 {
 	unsigned long flags;
 	unsigned int i, j, found = NO_IRQ;
-	unsigned int limit = irq_virq_count - count;
 
 	if (count == 0 || count > (irq_virq_count - NUM_ISA_INTERRUPTS))
 		return NO_IRQ;
@@ -794,14 +793,16 @@ unsigned int irq_alloc_virt(struct irq_host *host,
 	/* Look for count consecutive numbers in the allocatable
 	 * (non-legacy) space
 	 */
-	for (i = NUM_ISA_INTERRUPTS; i <= limit; ) {
-		for (j = i; j < (i + count); j++)
-			if (irq_map[j].host != NULL) {
-				i = j + 1;
-				continue;
-			}
-		found = i;
-		break;
+	for (i = NUM_ISA_INTERRUPTS, j = 0; i < irq_virq_count; i++) {
+		if (irq_map[i].host != NULL)
+			j = 0;
+		else
+			j++;
+
+		if (j == count) {
+			found = i - count + 1;
+			break;
+		}
 	}
 	if (found == NO_IRQ) {
 		spin_unlock_irqrestore(&irq_big_lock, flags);
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index dea75d73f98..975102a020d 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -526,9 +526,7 @@ static void do_syscall_trace(void)
 
 void do_syscall_trace_enter(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC64
 	secure_computing(regs->gpr[0]);
-#endif
 
 	if (test_thread_flag(TIF_SYSCALL_TRACE)
 	    && (current->ptrace & PT_PTRACED))
@@ -548,12 +546,8 @@ void do_syscall_trace_enter(struct pt_regs *regs)
 
 void do_syscall_trace_leave(struct pt_regs *regs)
 {
-#ifdef CONFIG_PPC32
-	secure_computing(regs->gpr[0]);
-#endif
-
 	if (unlikely(current->audit_context))
-		audit_syscall_exit((regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
+		audit_syscall_exit((regs->ccr&0x10000000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
 				   regs->result);
 
 	if ((test_thread_flag(TIF_SYSCALL_TRACE)
@@ -561,8 +555,3 @@ void do_syscall_trace_leave(struct pt_regs *regs)
 	    && (current->ptrace & PT_PTRACED))
 		do_syscall_trace();
 }
-
-#ifdef CONFIG_PPC32
-EXPORT_SYMBOL(do_syscall_trace_enter);
-EXPORT_SYMBOL(do_syscall_trace_leave);
-#endif
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 406f308ddea..d45a168bdac 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -25,8 +25,8 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
 /* SMT stuff */
 
 #ifdef CONFIG_PPC_MULTIPLATFORM
-/* default to snooze disabled */
-DEFINE_PER_CPU(unsigned long, smt_snooze_delay);
+/* Time in microseconds we delay before sleeping in the idle loop */
+DEFINE_PER_CPU(unsigned long, smt_snooze_delay) = { 100 };
 
 static ssize_t store_smt_snooze_delay(struct sys_device *dev, const char *buf,
 				      size_t count)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 8b278d85ca4..85b9244a098 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -1041,6 +1041,48 @@ void __init time_init(void)
 	set_dec(tb_ticks_per_jiffy);
 }
 
+#ifdef CONFIG_RTC_CLASS
+static int set_rtc_class_time(struct rtc_time *tm)
+{
+	int err;
+	struct class_device *class_dev =
+		rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
+
+	if (class_dev == NULL)
+		return -ENODEV;
+
+	err = rtc_set_time(class_dev, tm);
+
+	rtc_class_close(class_dev);
+
+	return 0;
+}
+
+static void get_rtc_class_time(struct rtc_time *tm)
+{
+	int err;
+	struct class_device *class_dev =
+		rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
+
+	if (class_dev == NULL)
+		return;
+
+	err = rtc_read_time(class_dev, tm);
+
+	rtc_class_close(class_dev);
+
+	return;
+}
+
+int __init rtc_class_hookup(void)
+{
+	ppc_md.get_rtc_time = get_rtc_class_time;
+	ppc_md.set_rtc_time = set_rtc_class_time;
+
+	return 0;
+}
+#endif /* CONFIG_RTC_CLASS */
+
 
 #define FEBRUARY	2
 #define	STARTOFTIME	1970