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Diffstat (limited to 'arch/powerpc/sysdev/ipic.c')
-rw-r--r--arch/powerpc/sysdev/ipic.c85
1 files changed, 23 insertions, 62 deletions
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index fa438be962b..b50f97811c2 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -18,7 +18,7 @@
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/signal.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/device.h>
#include <linux/bootmem.h>
#include <linux/spinlock.h>
@@ -521,12 +521,10 @@ static inline struct ipic * ipic_from_irq(unsigned int virq)
return primary_ipic;
}
-#define ipic_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
-
static void ipic_unmask_irq(struct irq_data *d)
{
struct ipic *ipic = ipic_from_irq(d->irq);
- unsigned int src = ipic_irq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned long flags;
u32 temp;
@@ -542,7 +540,7 @@ static void ipic_unmask_irq(struct irq_data *d)
static void ipic_mask_irq(struct irq_data *d)
{
struct ipic *ipic = ipic_from_irq(d->irq);
- unsigned int src = ipic_irq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned long flags;
u32 temp;
@@ -562,7 +560,7 @@ static void ipic_mask_irq(struct irq_data *d)
static void ipic_ack_irq(struct irq_data *d)
{
struct ipic *ipic = ipic_from_irq(d->irq);
- unsigned int src = ipic_irq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned long flags;
u32 temp;
@@ -581,7 +579,7 @@ static void ipic_ack_irq(struct irq_data *d)
static void ipic_mask_irq_and_ack(struct irq_data *d)
{
struct ipic *ipic = ipic_from_irq(d->irq);
- unsigned int src = ipic_irq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned long flags;
u32 temp;
@@ -604,7 +602,7 @@ static void ipic_mask_irq_and_ack(struct irq_data *d)
static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type)
{
struct ipic *ipic = ipic_from_irq(d->irq);
- unsigned int src = ipic_irq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned int vold, vnew, edibit;
if (flow_type == IRQ_TYPE_NONE)
@@ -674,13 +672,13 @@ static struct irq_chip ipic_edge_irq_chip = {
.irq_set_type = ipic_set_irq_type,
};
-static int ipic_host_match(struct irq_host *h, struct device_node *node)
+static int ipic_host_match(struct irq_domain *h, struct device_node *node)
{
/* Exact match, unless ipic node is NULL */
return h->of_node == NULL || h->of_node == node;
}
-static int ipic_host_map(struct irq_host *h, unsigned int virq,
+static int ipic_host_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
struct ipic *ipic = h->host_data;
@@ -694,26 +692,10 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq,
return 0;
}
-static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
- const u32 *intspec, unsigned int intsize,
- irq_hw_number_t *out_hwirq, unsigned int *out_flags)
-
-{
- /* interrupt sense values coming from the device tree equal either
- * LEVEL_LOW (low assertion) or EDGE_FALLING (high-to-low change)
- */
- *out_hwirq = intspec[0];
- if (intsize > 1)
- *out_flags = intspec[1];
- else
- *out_flags = IRQ_TYPE_NONE;
- return 0;
-}
-
-static struct irq_host_ops ipic_host_ops = {
+static struct irq_domain_ops ipic_host_ops = {
.match = ipic_host_match,
.map = ipic_host_map,
- .xlate = ipic_host_xlate,
+ .xlate = irq_domain_xlate_onetwocell,
};
struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
@@ -730,17 +712,14 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
if (ipic == NULL)
return NULL;
- ipic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
- NR_IPIC_INTS,
- &ipic_host_ops, 0);
+ ipic->irqhost = irq_domain_add_linear(node, NR_IPIC_INTS,
+ &ipic_host_ops, ipic);
if (ipic->irqhost == NULL) {
kfree(ipic);
return NULL;
}
- ipic->regs = ioremap(res.start, res.end - res.start + 1);
-
- ipic->irqhost->host_data = ipic;
+ ipic->regs = ioremap(res.start, resource_size(&res));
/* init hw */
ipic_write(ipic->regs, IPIC_SICNR, 0x0);
@@ -793,7 +772,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
int ipic_set_priority(unsigned int virq, unsigned int priority)
{
struct ipic *ipic = ipic_from_irq(virq);
- unsigned int src = ipic_irq_to_hw(virq);
+ unsigned int src = virq_to_hw(virq);
u32 temp;
if (priority > 7)
@@ -821,7 +800,7 @@ int ipic_set_priority(unsigned int virq, unsigned int priority)
void ipic_set_highest_priority(unsigned int virq)
{
struct ipic *ipic = ipic_from_irq(virq);
- unsigned int src = ipic_irq_to_hw(virq);
+ unsigned int src = virq_to_hw(virq);
u32 temp;
temp = ipic_read(ipic->regs, IPIC_SICFR);
@@ -902,7 +881,7 @@ static struct {
u32 sercr;
} ipic_saved_state;
-static int ipic_suspend(struct sys_device *sdev, pm_message_t state)
+static int ipic_suspend(void)
{
struct ipic *ipic = primary_ipic;
@@ -933,7 +912,7 @@ static int ipic_suspend(struct sys_device *sdev, pm_message_t state)
return 0;
}
-static int ipic_resume(struct sys_device *sdev)
+static void ipic_resume(void)
{
struct ipic *ipic = primary_ipic;
@@ -949,44 +928,26 @@ static int ipic_resume(struct sys_device *sdev)
ipic_write(ipic->regs, IPIC_SECNR, ipic_saved_state.secnr);
ipic_write(ipic->regs, IPIC_SERMR, ipic_saved_state.sermr);
ipic_write(ipic->regs, IPIC_SERCR, ipic_saved_state.sercr);
-
- return 0;
}
#else
#define ipic_suspend NULL
#define ipic_resume NULL
#endif
-static struct sysdev_class ipic_sysclass = {
- .name = "ipic",
+static struct syscore_ops ipic_syscore_ops = {
.suspend = ipic_suspend,
.resume = ipic_resume,
};
-static struct sys_device device_ipic = {
- .id = 0,
- .cls = &ipic_sysclass,
-};
-
-static int __init init_ipic_sysfs(void)
+static int __init init_ipic_syscore(void)
{
- int rc;
-
if (!primary_ipic || !primary_ipic->regs)
return -ENODEV;
- printk(KERN_DEBUG "Registering ipic with sysfs...\n");
- rc = sysdev_class_register(&ipic_sysclass);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys class\n");
- return -ENODEV;
- }
- rc = sysdev_register(&device_ipic);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys device\n");
- return -ENODEV;
- }
+ printk(KERN_DEBUG "Registering ipic system core operations\n");
+ register_syscore_ops(&ipic_syscore_ops);
+
return 0;
}
-subsys_initcall(init_ipic_sysfs);
+subsys_initcall(init_ipic_syscore);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-13 22:18:27 +0000