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sh: intc: irq_data conversion. 

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-10-27 15:42:10 +09:00
parent 815db1477a
commit 26599a94dc
4 changed files with 68 additions and 40 deletions
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53
drivers/sh/intc/chip.c
View File

@ -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
};

39
drivers/sh/intc/core.c
View File

@ -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;
}

2
drivers/sh/intc/internals.h
View File

@ -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;

14
drivers/sh/intc/virq.c
View File

@ -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,