13 files changed, 100 insertions, 96 deletions

diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 4033c23bdfa6..e22416ce56ea 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -210,21 +210,21 @@ struct irq_handler_data {
 
 static inline unsigned int irq_data_to_handle(struct irq_data *data)
 {
-	struct irq_handler_data *ihd = data->handler_data;
+	struct irq_handler_data *ihd = irq_data_get_irq_handler_data(data);
 
 	return ihd->dev_handle;
 }
 
 static inline unsigned int irq_data_to_ino(struct irq_data *data)
 {
-	struct irq_handler_data *ihd = data->handler_data;
+	struct irq_handler_data *ihd = irq_data_get_irq_handler_data(data);
 
 	return ihd->dev_ino;
 }
 
 static inline unsigned long irq_data_to_sysino(struct irq_data *data)
 {
-	struct irq_handler_data *ihd = data->handler_data;
+	struct irq_handler_data *ihd = irq_data_get_irq_handler_data(data);
 
 	return ihd->sysino;
 }
@@ -370,13 +370,15 @@ static int irq_choose_cpu(unsigned int irq, const struct cpumask *affinity)
 
 static void sun4u_irq_enable(struct irq_data *data)
 {
-	struct irq_handler_data *handler_data = data->handler_data;
+	struct irq_handler_data *handler_data;
 
+	handler_data = irq_data_get_irq_handler_data(data);
 	if (likely(handler_data)) {
 		unsigned long cpuid, imap, val;
 		unsigned int tid;
 
-		cpuid = irq_choose_cpu(data->irq, data->affinity);
+		cpuid = irq_choose_cpu(data->irq,
+				       irq_data_get_affinity_mask(data));
 		imap = handler_data->imap;
 
 		tid = sun4u_compute_tid(imap, cpuid);
@@ -393,8 +395,9 @@ static void sun4u_irq_enable(struct irq_data *data)
 static int sun4u_set_affinity(struct irq_data *data,
 			       const struct cpumask *mask, bool force)
 {
-	struct irq_handler_data *handler_data = data->handler_data;
+	struct irq_handler_data *handler_data;
 
+	handler_data = irq_data_get_irq_handler_data(data);
 	if (likely(handler_data)) {
 		unsigned long cpuid, imap, val;
 		unsigned int tid;
@@ -438,15 +441,17 @@ static void sun4u_irq_disable(struct irq_data *data)
 
 static void sun4u_irq_eoi(struct irq_data *data)
 {
-	struct irq_handler_data *handler_data = data->handler_data;
+	struct irq_handler_data *handler_data;
 
+	handler_data = irq_data_get_irq_handler_data(data);
 	if (likely(handler_data))
 		upa_writeq(ICLR_IDLE, handler_data->iclr);
 }
 
 static void sun4v_irq_enable(struct irq_data *data)
 {
-	unsigned long cpuid = irq_choose_cpu(data->irq, data->affinity);
+	unsigned long cpuid = irq_choose_cpu(data->irq,
+					     irq_data_get_affinity_mask(data));
 	unsigned int ino = irq_data_to_sysino(data);
 	int err;
 
@@ -508,7 +513,7 @@ static void sun4v_virq_enable(struct irq_data *data)
 	unsigned long cpuid;
 	int err;
 
-	cpuid = irq_choose_cpu(data->irq, data->affinity);
+	cpuid = irq_choose_cpu(data->irq, irq_data_get_affinity_mask(data));
 
 	err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid);
 	if (err != HV_EOK)
@@ -881,8 +886,8 @@ void fixup_irqs(void)
 		if (desc->action && !irqd_is_per_cpu(data)) {
 			if (data->chip->irq_set_affinity)
 				data->chip->irq_set_affinity(data,
-							     data->affinity,
-							     false);
+					irq_data_get_affinity_mask(data),
+					false);
 		}
 		raw_spin_unlock_irqrestore(&desc->lock, flags);
 	}
diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c
index 48565c11e82a..59bbeff55024 100644
--- a/arch/sparc/kernel/jump_label.c
+++ b/arch/sparc/kernel/jump_label.c
@@ -16,7 +16,7 @@ void arch_jump_label_transform(struct jump_entry *entry,
 	u32 val;
 	u32 *insn = (u32 *) (unsigned long) entry->code;
 
-	if (type == JUMP_LABEL_ENABLE) {
+	if (type == JUMP_LABEL_JMP) {
 		s32 off = (s32)entry->target - (s32)entry->code;
 
 #ifdef CONFIG_SPARC64
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 9bbb8f2bbfcc..42efcf85f721 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -53,7 +53,7 @@ static inline unsigned int leon_eirq_get(int cpu)
 }
 
 /* Handle one or multiple IRQs from the extended interrupt controller */
-static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc)
+static void leon_handle_ext_irq(struct irq_desc *desc)
 {
 	unsigned int eirq;
 	struct irq_bucket *p;
@@ -126,7 +126,7 @@ static int leon_set_affinity(struct irq_data *data, const struct cpumask *dest,
 	int oldcpu, newcpu;
 
 	mask = (unsigned long)data->chip_data;
-	oldcpu = irq_choose_cpu(data->affinity);
+	oldcpu = irq_choose_cpu(irq_data_get_affinity_mask(data));
 	newcpu = irq_choose_cpu(dest);
 
 	if (oldcpu == newcpu)
@@ -149,7 +149,7 @@ static void leon_unmask_irq(struct irq_data *data)
 	int cpu;
 
 	mask = (unsigned long)data->chip_data;
-	cpu = irq_choose_cpu(data->affinity);
+	cpu = irq_choose_cpu(irq_data_get_affinity_mask(data));
 	spin_lock_irqsave(&leon_irq_lock, flags);
 	oldmask = LEON3_BYPASS_LOAD_PA(LEON_IMASK(cpu));
 	LEON3_BYPASS_STORE_PA(LEON_IMASK(cpu), (oldmask | mask));
@@ -162,7 +162,7 @@ static void leon_mask_irq(struct irq_data *data)
 	int cpu;
 
 	mask = (unsigned long)data->chip_data;
-	cpu = irq_choose_cpu(data->affinity);
+	cpu = irq_choose_cpu(irq_data_get_affinity_mask(data));
 	spin_lock_irqsave(&leon_irq_lock, flags);
 	oldmask = LEON3_BYPASS_LOAD_PA(LEON_IMASK(cpu));
 	LEON3_BYPASS_STORE_PA(LEON_IMASK(cpu), (oldmask & ~mask));
diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
index 3382f7b3eeef..1e77128a8f88 100644
--- a/arch/sparc/kernel/leon_pci_grpci1.c
+++ b/arch/sparc/kernel/leon_pci_grpci1.c
@@ -357,7 +357,7 @@ static struct irq_chip grpci1_irq = {
 };
 
 /* Handle one or multiple IRQs from the PCI core */
-static void grpci1_pci_flow_irq(unsigned int irq, struct irq_desc *desc)
+static void grpci1_pci_flow_irq(struct irq_desc *desc)
 {
 	struct grpci1_priv *priv = grpci1priv;
 	int i, ack = 0;
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index 814fb1729b12..f727c4de1316 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -498,7 +498,7 @@ static struct irq_chip grpci2_irq = {
 };
 
 /* Handle one or multiple IRQs from the PCI core */
-static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc)
+static void grpci2_pci_flow_irq(struct irq_desc *desc)
 {
 	struct grpci2_priv *priv = grpci2priv;
 	int i, ack = 0;
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c928bc64b4ba..b91d7f146175 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -231,8 +231,7 @@ static void pci_parse_of_addrs(struct platform_device *op,
 			res = &dev->resource[(i - PCI_BASE_ADDRESS_0) >> 2];
 		} else if (i == dev->rom_base_reg) {
 			res = &dev->resource[PCI_ROM_RESOURCE];
-			flags |= IORESOURCE_READONLY | IORESOURCE_CACHEABLE
-			      | IORESOURCE_SIZEALIGN;
+			flags |= IORESOURCE_READONLY | IORESOURCE_SIZEALIGN;
 		} else {
 			printk(KERN_ERR "PCI: bad cfg reg num 0x%x\n", i);
 			continue;
@@ -249,7 +248,6 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 					 struct pci_bus *bus, int devfn)
 {
 	struct dev_archdata *sd;
-	struct pci_slot *slot;
 	struct platform_device *op;
 	struct pci_dev *dev;
 	const char *type;
@@ -290,10 +288,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 	dev->multifunction = 0;		/* maybe a lie? */
 	set_pcie_port_type(dev);
 
-	list_for_each_entry(slot, &dev->bus->slots, list)
-		if (PCI_SLOT(dev->devfn) == slot->number)
-			dev->slot = slot;
-
+	pci_dev_assign_slot(dev);
 	dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff);
 	dev->device = of_getintprop_default(node, "device-id", 0xffff);
 	dev->subsystem_vendor =
@@ -918,7 +913,7 @@ int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 void arch_teardown_msi_irq(unsigned int irq)
 {
 	struct msi_desc *entry = irq_get_msi_desc(irq);
-	struct pci_dev *pdev = entry->dev;
+	struct pci_dev *pdev = msi_desc_to_pci_dev(entry);
 	struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
 
 	if (pbm->teardown_msi_irq)
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 689db65f8529..b0da5aedb336 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -108,7 +108,7 @@ struct cpu_hw_events {
 	/* Enabled/disable state.  */
 	int			enabled;
 
-	unsigned int		group_flag;
+	unsigned int		txn_flags;
 };
 static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
 
@@ -1379,7 +1379,7 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags)
 	 * skip the schedulability test here, it will be performed
 	 * at commit time(->commit_txn) as a whole
 	 */
-	if (cpuc->group_flag & PERF_EVENT_TXN)
+	if (cpuc->txn_flags & PERF_PMU_TXN_ADD)
 		goto nocheck;
 
 	if (check_excludes(cpuc->event, n0, 1))
@@ -1494,12 +1494,17 @@ static int sparc_pmu_event_init(struct perf_event *event)
  * Set the flag to make pmu::enable() not perform the
  * schedulability test, it will be performed at commit time
  */
-static void sparc_pmu_start_txn(struct pmu *pmu)
+static void sparc_pmu_start_txn(struct pmu *pmu, unsigned int txn_flags)
 {
 	struct cpu_hw_events *cpuhw = this_cpu_ptr(&cpu_hw_events);
 
+	WARN_ON_ONCE(cpuhw->txn_flags);		/* txn already in flight */
+
+	cpuhw->txn_flags = txn_flags;
+	if (txn_flags & ~PERF_PMU_TXN_ADD)
+		return;
+
 	perf_pmu_disable(pmu);
-	cpuhw->group_flag |= PERF_EVENT_TXN;
 }
 
 /*
@@ -1510,8 +1515,15 @@ static void sparc_pmu_start_txn(struct pmu *pmu)
 static void sparc_pmu_cancel_txn(struct pmu *pmu)
 {
 	struct cpu_hw_events *cpuhw = this_cpu_ptr(&cpu_hw_events);
+	unsigned int txn_flags;
+
+	WARN_ON_ONCE(!cpuhw->txn_flags);	/* no txn in flight */
+
+	txn_flags = cpuhw->txn_flags;
+	cpuhw->txn_flags = 0;
+	if (txn_flags & ~PERF_PMU_TXN_ADD)
+		return;
 
-	cpuhw->group_flag &= ~PERF_EVENT_TXN;
 	perf_pmu_enable(pmu);
 }
 
@@ -1528,14 +1540,20 @@ static int sparc_pmu_commit_txn(struct pmu *pmu)
 	if (!sparc_pmu)
 		return -EINVAL;
 
-	cpuc = this_cpu_ptr(&cpu_hw_events);
+	WARN_ON_ONCE(!cpuc->txn_flags);	/* no txn in flight */
+
+	if (cpuc->txn_flags & ~PERF_PMU_TXN_ADD) {
+		cpuc->txn_flags = 0;
+		return 0;
+	}
+
 	n = cpuc->n_events;
 	if (check_excludes(cpuc->event, 0, n))
 		return -EINVAL;
 	if (sparc_check_constraints(cpuc->event, cpuc->events, n))
 		return -EAGAIN;
 
-	cpuc->group_flag &= ~PERF_EVENT_TXN;
+	cpuc->txn_flags = 0;
 	perf_pmu_enable(pmu);
 	return 0;
 }
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 50e7b626afe8..c5113c7ce2fd 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -333,11 +333,11 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 	childregs = (struct pt_regs *) (new_stack + STACKFRAME_SZ);
 
 	/*
-	 * A new process must start with interrupts closed in 2.5,
-	 * because this is how Mingo's scheduler works (see schedule_tail
-	 * and finish_arch_switch). If we do not do it, a timer interrupt hits
-	 * before we unlock, attempts to re-take the rq->lock, and then we die.
-	 * Thus, kpsr|=PSR_PIL.
+	 * A new process must start with interrupts disabled, see schedule_tail()
+	 * and finish_task_switch(). (If we do not do it and if a timer interrupt
+	 * hits before we unlock and attempts to take the rq->lock, we deadlock.)
+	 *
+	 * Thus, kpsr |= PSR_PIL.
 	 */
 	ti->ksp = (unsigned long) new_stack;
 	p->thread.kregs = childregs;
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index a1bb2675b280..a87d0e47c168 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -188,7 +188,7 @@ void sun4d_handler_irq(unsigned int pil, struct pt_regs *regs)
 
 static void sun4d_mask_irq(struct irq_data *data)
 {
-	struct sun4d_handler_data *handler_data = data->handler_data;
+	struct sun4d_handler_data *handler_data = irq_data_get_irq_handler_data(data);
 	unsigned int real_irq;
 #ifdef CONFIG_SMP
 	int cpuid = handler_data->cpuid;
@@ -206,7 +206,7 @@ static void sun4d_mask_irq(struct irq_data *data)
 
 static void sun4d_unmask_irq(struct irq_data *data)
 {
-	struct sun4d_handler_data *handler_data = data->handler_data;
+	struct sun4d_handler_data *handler_data = irq_data_get_irq_handler_data(data);
 	unsigned int real_irq;
 #ifdef CONFIG_SMP
 	int cpuid = handler_data->cpuid;
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index 8bb3b3fddea7..da737c712fa8 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -188,9 +188,10 @@ static unsigned long sun4m_imask[0x50] = {
 
 static void sun4m_mask_irq(struct irq_data *data)
 {
-	struct sun4m_handler_data *handler_data = data->handler_data;
+	struct sun4m_handler_data *handler_data;
 	int cpu = smp_processor_id();
 
+	handler_data = irq_data_get_irq_handler_data(data);
 	if (handler_data->mask) {
 		unsigned long flags;
 
@@ -206,9 +207,10 @@ static void sun4m_mask_irq(struct irq_data *data)
 
 static void sun4m_unmask_irq(struct irq_data *data)
 {
-	struct sun4m_handler_data *handler_data = data->handler_data;
+	struct sun4m_handler_data *handler_data;
 	int cpu = smp_processor_id();
 
+	handler_data = irq_data_get_irq_handler_data(data);
 	if (handler_data->mask) {
 		unsigned long flags;
 
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index d3408e72d20c..278c40abce82 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -247,7 +247,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
 
 	ce = &per_cpu(sparc32_clockevent, cpu);
 
-	if (ce->mode & CLOCK_EVT_MODE_PERIODIC)
+	if (clockevent_state_periodic(ce))
 		sun4m_clear_profile_irq(cpu);
 	else
 		sparc_config.load_profile_irq(cpu, 0); /* Is this needless? */
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index c9692f387cee..1affabc96b08 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -101,21 +101,18 @@ irqreturn_t notrace timer_interrupt(int dummy, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static void timer_ce_set_mode(enum clock_event_mode mode,
-			      struct clock_event_device *evt)
+static int timer_ce_shutdown(struct clock_event_device *evt)
 {
-	switch (mode) {
-		case CLOCK_EVT_MODE_PERIODIC:
-		case CLOCK_EVT_MODE_RESUME:
-			timer_ce_enabled = 1;
-			break;
-		case CLOCK_EVT_MODE_SHUTDOWN:
-			timer_ce_enabled = 0;
-			break;
-		default:
-			break;
-	}
+	timer_ce_enabled = 0;
+	smp_mb();
+	return 0;
+}
+
+static int timer_ce_set_periodic(struct clock_event_device *evt)
+{
+	timer_ce_enabled = 1;
 	smp_mb();
+	return 0;
 }
 
 static __init void setup_timer_ce(void)
@@ -127,7 +124,9 @@ static __init void setup_timer_ce(void)
 	ce->name     = "timer_ce";
 	ce->rating   = 100;
 	ce->features = CLOCK_EVT_FEAT_PERIODIC;
-	ce->set_mode = timer_ce_set_mode;
+	ce->set_state_shutdown = timer_ce_shutdown;
+	ce->set_state_periodic = timer_ce_set_periodic;
+	ce->tick_resume = timer_ce_set_periodic;
 	ce->cpumask  = cpu_possible_mask;
 	ce->shift    = 32;
 	ce->mult     = div_sc(sparc_config.clock_rate, NSEC_PER_SEC,
@@ -183,24 +182,20 @@ static __init int setup_timer_cs(void)
 }
 
 #ifdef CONFIG_SMP
-static void percpu_ce_setup(enum clock_event_mode mode,
-			struct clock_event_device *evt)
+static int percpu_ce_shutdown(struct clock_event_device *evt)
 {
 	int cpu = cpumask_first(evt->cpumask);
 
-	switch (mode) {
-		case CLOCK_EVT_MODE_PERIODIC:
-			sparc_config.load_profile_irq(cpu,
-						      SBUS_CLOCK_RATE / HZ);
-			break;
-		case CLOCK_EVT_MODE_ONESHOT:
-		case CLOCK_EVT_MODE_SHUTDOWN:
-		case CLOCK_EVT_MODE_UNUSED:
-			sparc_config.load_profile_irq(cpu, 0);
-			break;
-		default:
-			break;
-	}
+	sparc_config.load_profile_irq(cpu, 0);
+	return 0;
+}
+
+static int percpu_ce_set_periodic(struct clock_event_device *evt)
+{
+	int cpu = cpumask_first(evt->cpumask);
+
+	sparc_config.load_profile_irq(cpu, SBUS_CLOCK_RATE / HZ);
+	return 0;
 }
 
 static int percpu_ce_set_next_event(unsigned long delta,
@@ -224,7 +219,9 @@ void register_percpu_ce(int cpu)
 	ce->name           = "percpu_ce";
 	ce->rating         = 200;
 	ce->features       = features;
-	ce->set_mode       = percpu_ce_setup;
+	ce->set_state_shutdown = percpu_ce_shutdown;
+	ce->set_state_periodic = percpu_ce_set_periodic;
+	ce->set_state_oneshot = percpu_ce_shutdown;
 	ce->set_next_event = percpu_ce_set_next_event;
 	ce->cpumask        = cpumask_of(cpu);
 	ce->shift          = 32;
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 2e6035c0a8ca..c69b21e51efc 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -674,32 +674,19 @@ static int sparc64_next_event(unsigned long delta,
 	return tick_ops->add_compare(delta) ? -ETIME : 0;
 }
 
-static void sparc64_timer_setup(enum clock_event_mode mode,
-				struct clock_event_device *evt)
-{
-	switch (mode) {
-	case CLOCK_EVT_MODE_ONESHOT:
-	case CLOCK_EVT_MODE_RESUME:
-		break;
-
-	case CLOCK_EVT_MODE_SHUTDOWN:
-		tick_ops->disable_irq();
-		break;
-
-	case CLOCK_EVT_MODE_PERIODIC:
-	case CLOCK_EVT_MODE_UNUSED:
-		WARN_ON(1);
-		break;
-	}
+static int sparc64_timer_shutdown(struct clock_event_device *evt)
+{
+	tick_ops->disable_irq();
+	return 0;
 }
 
 static struct clock_event_device sparc64_clockevent = {
-	.features	= CLOCK_EVT_FEAT_ONESHOT,
-	.set_mode	= sparc64_timer_setup,
-	.set_next_event	= sparc64_next_event,
-	.rating		= 100,
-	.shift		= 30,
-	.irq		= -1,
+	.features		= CLOCK_EVT_FEAT_ONESHOT,
+	.set_state_shutdown	= sparc64_timer_shutdown,
+	.set_next_event		= sparc64_next_event,
+	.rating			= 100,
+	.shift			= 30,
+	.irq			= -1,
 };
 static DEFINE_PER_CPU(struct clock_event_device, sparc64_events);