sh: intc: irq_data conversion.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 68 insertions, 40 deletions

diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 35c03706cc21..de885a0f917a 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -12,15 +12,16 @@
 #include <linux/io.h>
 #include "internals.h"
 
-void _intc_enable(unsigned int irq, unsigned long handle)
+void _intc_enable(struct irq_data *data, unsigned long handle)
 {
+        unsigned int irq = data->irq;
         struct intc_desc_int *d = get_intc_desc(irq);
         unsigned long addr;
         unsigned int cpu;
 
         for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
 #ifdef CONFIG_SMP
-                if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+                if (!cpumask_test_cpu(cpu, data->affinity))
                         continue;
 #endif
                 addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
@@ -31,15 +32,16 @@ void _intc_enable(unsigned int irq, unsigned long handle)
         intc_balancing_enable(irq);
 }
 
-static void intc_enable(unsigned int irq)
+static void intc_enable(struct irq_data *data)
 {
-        _intc_enable(irq, (unsigned long)get_irq_chip_data(irq));
+        _intc_enable(data, (unsigned long)irq_data_get_irq_chip_data(data));
 }
 
-static void intc_disable(unsigned int irq)
+static void intc_disable(struct irq_data *data)
 {
+        unsigned int irq = data->irq;
         struct intc_desc_int *d = get_intc_desc(irq);
-        unsigned long handle = (unsigned long)get_irq_chip_data(irq);
+        unsigned long handle = (unsigned long)irq_data_get_irq_chip_data(data);
         unsigned long addr;
         unsigned int cpu;
 
@@ -47,7 +49,7 @@ static void intc_disable(unsigned int irq)
 
         for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
 #ifdef CONFIG_SMP
-                if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+                if (!cpumask_test_cpu(cpu, data->affinity))
                         continue;
 #endif
                 addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
@@ -56,7 +58,7 @@ static void intc_disable(unsigned int irq)
         }
 }
 
-static int intc_set_wake(unsigned int irq, unsigned int on)
+static int intc_set_wake(struct irq_data *data, unsigned int on)
 {
         return 0; /* allow wakeup, but setup hardware in intc_suspend() */
 }
@@ -67,24 +69,27 @@ static int intc_set_wake(unsigned int irq, unsigned int on)
  * additional locking here at the intc desc level. The affinity mask is
  * later tested in the enable/disable paths.
  */
-static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+static int intc_set_affinity(struct irq_data *data,
+                             const struct cpumask *cpumask,
+                             bool force)
 {
         if (!cpumask_intersects(cpumask, cpu_online_mask))
                 return -1;
 
-        cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
+        cpumask_copy(data->affinity, cpumask);
 
         return 0;
 }
 #endif
 
-static void intc_mask_ack(unsigned int irq)
+static void intc_mask_ack(struct irq_data *data)
 {
+        unsigned int irq = data->irq;
         struct intc_desc_int *d = get_intc_desc(irq);
         unsigned long handle = intc_get_ack_handle(irq);
         unsigned long addr;
 
-        intc_disable(irq);
+        intc_disable(data);
 
         /* read register and write zero only to the associated bit */
         if (handle) {
@@ -144,6 +149,7 @@ static struct intc_handle_int *intc_find_irq(struct intc_handle_int *hp,
 int intc_set_priority(unsigned int irq, unsigned int prio)
 {
         struct intc_desc_int *d = get_intc_desc(irq);
+        struct irq_data *data = irq_get_irq_data(irq);
         struct intc_handle_int *ihp;
 
         if (!intc_get_prio_level(irq) || prio <= 1)
@@ -162,7 +168,7 @@ int intc_set_priority(unsigned int irq, unsigned int prio)
                  * priority level will be set during next enable()
                  */
                 if (_INTC_FN(ihp->handle) != REG_FN_ERR)
-                        _intc_enable(irq, ihp->handle);
+                        _intc_enable(data, ihp->handle);
         }
         return 0;
 }
@@ -181,8 +187,9 @@ static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = {
 #endif
 };
 
-static int intc_set_type(unsigned int irq, unsigned int type)
+static int intc_set_type(struct irq_data *data, unsigned int type)
 {
+        unsigned int irq = data->irq;
         struct intc_desc_int *d = get_intc_desc(irq);
         unsigned char value = intc_irq_sense_table[type & IRQ_TYPE_SENSE_MASK];
         struct intc_handle_int *ihp;
@@ -201,15 +208,15 @@ static int intc_set_type(unsigned int irq, unsigned int type)
 }
 
 struct irq_chip intc_irq_chip   = {
-        .mask           = intc_disable,
-        .unmask         = intc_enable,
-        .mask_ack       = intc_mask_ack,
-        .enable         = intc_enable,
-        .disable        = intc_disable,
-        .shutdown       = intc_disable,
-        .set_type       = intc_set_type,
-        .set_wake       = intc_set_wake,
+        .irq_mask               = intc_disable,
+        .irq_unmask             = intc_enable,
+        .irq_mask_ack           = intc_mask_ack,
+        .irq_enable             = intc_enable,
+        .irq_disable            = intc_disable,
+        .irq_shutdown           = intc_disable,
+        .irq_set_type           = intc_set_type,
+        .irq_set_wake           = intc_set_wake,
 #ifdef CONFIG_SMP
-        .set_affinity   = intc_set_affinity,
+        .irq_set_affinity       = intc_set_affinity,
 #endif
 };
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 0801089828e7..338fad2a3fa4 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -71,6 +71,7 @@ static void __init intc_register_irq(struct intc_desc *desc,
                                      unsigned int irq)
 {
         struct intc_handle_int *hp;
+        struct irq_data *irq_data;
         unsigned int data[2], primary;
         unsigned long flags;
 
@@ -111,6 +112,8 @@ static void __init intc_register_irq(struct intc_desc *desc,
 
         BUG_ON(!data[primary]); /* must have primary masking method */
 
+        irq_data = irq_get_irq_data(irq);
+
         disable_irq_nosync(irq);
         set_irq_chip_and_handler_name(irq, &d->chip,
                                       handle_level_irq, "level");
@@ -123,7 +126,7 @@ static void __init intc_register_irq(struct intc_desc *desc,
 
         /* enable secondary masking method if present */
         if (data[!primary])
-                _intc_enable(irq, data[!primary]);
+                _intc_enable(irq_data, data[!primary]);
 
         /* add irq to d->prio list if priority is available */
         if (data[1]) {
@@ -151,7 +154,7 @@ static void __init intc_register_irq(struct intc_desc *desc,
         }
 
         /* irq should be disabled by default */
-        d->chip.mask(irq);
+        d->chip.irq_mask(irq_data);
 
         intc_set_ack_handle(irq, desc, d, enum_id);
         intc_set_dist_handle(irq, desc, d, enum_id);
@@ -284,7 +287,7 @@ int __init register_intc_controller(struct intc_desc *desc)
                 for (i = 0; i < hw->nr_ack_regs; i++)
                         k += save_reg(d, k, hw->ack_regs[i].set_reg, 0);
         else
-                d->chip.mask_ack = d->chip.disable;
+                d->chip.irq_mask_ack = d->chip.irq_disable;
 
         /* disable bits matching force_disable before registering irqs */
         if (desc->force_disable)
@@ -387,7 +390,9 @@ static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
 static int intc_suspend(struct sys_device *dev, pm_message_t state)
 {
         struct intc_desc_int *d;
+        struct irq_data *data;
         struct irq_desc *desc;
+        struct irq_chip *chip;
         int irq;
 
         /* get intc controller associated with this sysdev */
@@ -398,17 +403,24 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state)
                 if (d->state.event != PM_EVENT_FREEZE)
                         break;
 
-                for_each_irq_desc(irq, desc) {
+                for_each_irq_nr(irq) {
+                        desc = irq_to_desc(irq);
+                        if (!desc)
+                                continue;
+
+                        data = irq_get_irq_data(irq);
+                        chip = irq_data_get_irq_chip(data);
+
                         /*
                          * This will catch the redirect and VIRQ cases
                          * due to the dummy_irq_chip being inserted.
                          */
-                        if (desc->chip != &d->chip)
+                        if (chip != &d->chip)
                                 continue;
                         if (desc->status & IRQ_DISABLED)
-                                desc->chip->disable(irq);
+                                chip->irq_disable(data);
                         else
-                                desc->chip->enable(irq);
+                                chip->irq_enable(data);
                 }
                 break;
         case PM_EVENT_FREEZE:
@@ -416,11 +428,18 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state)
                 break;
         case PM_EVENT_SUSPEND:
                 /* enable wakeup irqs belonging to this intc controller */
-                for_each_irq_desc(irq, desc) {
-                        if (desc->chip != &d->chip)
+                for_each_irq_nr(irq) {
+                        desc = irq_to_desc(irq);
+                        if (!desc)
+                                continue;
+
+                        data = irq_get_irq_data(irq);
+                        chip = irq_data_get_irq_chip(data);
+
+                        if (chip != &d->chip)
                                 continue;
                         if ((desc->status & IRQ_WAKEUP))
-                                desc->chip->enable(irq);
+                                chip->irq_enable(data);
                 }
                 break;
         }
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index d49482c623fa..0cf8260971d4 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -152,7 +152,7 @@ intc_set_dist_handle(unsigned int irq, struct intc_desc *desc,
 
 /* chip.c */
 extern struct irq_chip intc_irq_chip;
-void _intc_enable(unsigned int irq, unsigned long handle);
+void _intc_enable(struct irq_data *data, unsigned long handle);
 
 /* core.c */
 extern struct list_head intc_list;
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 643dfd4d2057..e5bf5d3c698e 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,11 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup);
 static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 {
         struct intc_virq_list **last, *entry;
-        struct irq_desc *desc = irq_to_desc(irq);
+        struct irq_data *data = irq_get_irq_data(irq);
 
         /* scan for duplicates */
-        last = (struct intc_virq_list **)&desc->handler_data;
-        for_each_virq(entry, desc->handler_data) {
+        last = (struct intc_virq_list **)&data->handler_data;
+        for_each_virq(entry, data->handler_data) {
                 if (entry->irq == virq)
                         return 0;
                 last = &entry->next;
@@ -108,10 +108,12 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 
 static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
 {
-        struct intc_virq_list *entry, *vlist = get_irq_data(irq);
+        struct irq_data *data = irq_get_irq_data(irq);
+        struct irq_chip *chip = irq_data_get_irq_chip(data);
+        struct intc_virq_list *entry, *vlist = irq_data_get_irq_data(data);
         struct intc_desc_int *d = get_intc_desc(irq);
 
-        desc->chip->mask_ack(irq);
+        chip->irq_mask_ack(data);
 
         for_each_virq(entry, vlist) {
                 unsigned long addr, handle;
@@ -123,7 +125,7 @@ static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
                         generic_handle_irq(entry->irq);
         }
 
-        desc->chip->unmask(irq);
+        chip->irq_unmask(data);
 }
 
 static unsigned long __init intc_subgroup_data(struct intc_subgroup *subgroup,