3 files changed, 22 insertions, 14 deletions

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 9b6689d9d57..23963882bc1 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -792,6 +792,8 @@ void fixup_irqs(void)
 		}
 		spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
 	}
+
+	tick_ops->disable_irq();
 }
 #endif
 
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index f8b50cbf4bf..f845f150f56 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -96,7 +96,7 @@ struct of_bus {
 				       int *addrc, int *sizec);
 	int		(*map)(u32 *addr, const u32 *range,
 			       int na, int ns, int pna);
-	unsigned int	(*get_flags)(const u32 *addr);
+	unsigned long	(*get_flags)(const u32 *addr, unsigned long);
 };
 
 /*
@@ -156,8 +156,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range,
 	return 0;
 }
 
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags)
 {
+	if (flags)
+		return flags;
 	return IORESOURCE_MEM;
 }
 
@@ -249,17 +251,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
 	return 0;
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 {
-	unsigned int flags = 0;
 	u32 w = addr[0];
 
+	/* For PCI, we override whatever child busses may have used.  */
+	flags = 0;
 	switch((w >> 24) & 0x03) {
 	case 0x01:
 		flags |= IORESOURCE_IO;
+		break;
+
 	case 0x02: /* 32 bits */
 	case 0x03: /* 64 bits */
 		flags |= IORESOURCE_MEM;
+		break;
 	}
 	if (w & 0x40000000)
 		flags |= IORESOURCE_PREFETCH;
@@ -478,10 +484,10 @@ static void __init build_device_resources(struct of_device *op,
 		int pna, pns;
 
 		size = of_read_addr(reg + na, ns);
-		flags = bus->get_flags(reg);
-
 		memcpy(addr, reg, na * 4);
 
+		flags = bus->get_flags(addr, 0);
+
 		if (use_1to1_mapping(pp)) {
 			result = of_read_addr(addr, na);
 			goto build_res;
@@ -506,6 +512,8 @@ static void __init build_device_resources(struct of_device *op,
 					       dna, dns, pna))
 				break;
 
+			flags = pbus->get_flags(addr, flags);
+
 			dna = pna;
 			dns = pns;
 			dbus = pbus;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 743ccad61c6..2be166c544c 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -80,8 +80,6 @@ void smp_bogo(struct seq_file *m)
 			   i, cpu_data(i).clock_tick);
 }
 
-static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock);
-
 extern void setup_sparc64_timer(void);
 
 static volatile unsigned long callin_flag = 0;
@@ -120,9 +118,9 @@ void __cpuinit smp_callin(void)
 	while (!cpu_isset(cpuid, smp_commenced_mask))
 		rmb();
 
-	spin_lock(&call_lock);
+	ipi_call_lock();
 	cpu_set(cpuid, cpu_online_map);
-	spin_unlock(&call_lock);
+	ipi_call_unlock();
 
 	/* idle thread is expected to have preempt disabled */
 	preempt_disable();
@@ -1305,10 +1303,6 @@ int __cpu_disable(void)
 	c->core_id = 0;
 	c->proc_id = -1;
 
-	spin_lock(&call_lock);
-	cpu_clear(cpu, cpu_online_map);
-	spin_unlock(&call_lock);
-
 	smp_wmb();
 
 	/* Make sure no interrupts point to this cpu.  */
@@ -1318,6 +1312,10 @@ int __cpu_disable(void)
 	mdelay(1);
 	local_irq_disable();
 
+	ipi_call_lock();
+	cpu_clear(cpu, cpu_online_map);
+	ipi_call_unlock();
+
 	return 0;
 }