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Diffstat (limited to 'arch/powerpc/sysdev/cpm2_pic.c')
-rw-r--r--arch/powerpc/sysdev/cpm2_pic.c37
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index 5495c1be472..a11bd1d433a 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -27,7 +27,6 @@
*/
#include <linux/stddef.h>
-#include <linux/init.h>
#include <linux/sched.h>
#include <linux/signal.h>
#include <linux/irq.h>
@@ -50,9 +49,8 @@
static intctl_cpm2_t __iomem *cpm2_intctl;
-static struct irq_host *cpm2_pic_host;
-#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
-static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
+static struct irq_domain *cpm2_pic_host;
+static unsigned long ppc_cached_irq_mask[2]; /* 2 32-bit registers */
static const u_char irq_to_siureg[] = {
1, 1, 1, 1, 1, 1, 1, 1,
@@ -81,7 +79,7 @@ static const u_char irq_to_siubit[] = {
static void cpm2_mask_irq(struct irq_data *d)
{
int bit, word;
- unsigned int irq_nr = virq_to_hw(d->irq);
+ unsigned int irq_nr = irqd_to_hwirq(d);
bit = irq_to_siubit[irq_nr];
word = irq_to_siureg[irq_nr];
@@ -93,7 +91,7 @@ static void cpm2_mask_irq(struct irq_data *d)
static void cpm2_unmask_irq(struct irq_data *d)
{
int bit, word;
- unsigned int irq_nr = virq_to_hw(d->irq);
+ unsigned int irq_nr = irqd_to_hwirq(d);
bit = irq_to_siubit[irq_nr];
word = irq_to_siureg[irq_nr];
@@ -105,7 +103,7 @@ static void cpm2_unmask_irq(struct irq_data *d)
static void cpm2_ack(struct irq_data *d)
{
int bit, word;
- unsigned int irq_nr = virq_to_hw(d->irq);
+ unsigned int irq_nr = irqd_to_hwirq(d);
bit = irq_to_siubit[irq_nr];
word = irq_to_siureg[irq_nr];
@@ -116,7 +114,7 @@ static void cpm2_ack(struct irq_data *d)
static void cpm2_end_irq(struct irq_data *d)
{
int bit, word;
- unsigned int irq_nr = virq_to_hw(d->irq);
+ unsigned int irq_nr = irqd_to_hwirq(d);
bit = irq_to_siubit[irq_nr];
word = irq_to_siureg[irq_nr];
@@ -133,7 +131,7 @@ static void cpm2_end_irq(struct irq_data *d)
static int cpm2_set_irq_type(struct irq_data *d, unsigned int flow_type)
{
- unsigned int src = virq_to_hw(d->irq);
+ unsigned int src = irqd_to_hwirq(d);
unsigned int vold, vnew, edibit;
/* Port C interrupts are either IRQ_TYPE_EDGE_FALLING or
@@ -214,7 +212,7 @@ unsigned int cpm2_get_irq(void)
return irq_linear_revmap(cpm2_pic_host, irq);
}
-static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq,
+static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
pr_debug("cpm2_pic_host_map(%d, 0x%lx)\n", virq, hw);
@@ -224,21 +222,9 @@ static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq,
return 0;
}
-static int cpm2_pic_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)
-{
- *out_hwirq = intspec[0];
- if (intsize > 1)
- *out_flags = intspec[1];
- else
- *out_flags = IRQ_TYPE_NONE;
- return 0;
-}
-
-static struct irq_host_ops cpm2_pic_host_ops = {
+static const struct irq_domain_ops cpm2_pic_host_ops = {
.map = cpm2_pic_host_map,
- .xlate = cpm2_pic_host_xlate,
+ .xlate = irq_domain_xlate_onetwocell,
};
void cpm2_pic_init(struct device_node *node)
@@ -275,8 +261,7 @@ void cpm2_pic_init(struct device_node *node)
out_be32(&cpm2_intctl->ic_scprrl, 0x05309770);
/* create a legacy host */
- cpm2_pic_host = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR,
- 64, &cpm2_pic_host_ops, 64);
+ cpm2_pic_host = irq_domain_add_linear(node, 64, &cpm2_pic_host_ops, NULL);
if (cpm2_pic_host == NULL) {
printk(KERN_ERR "CPM2 PIC: failed to allocate irq host!\n");
return;