diff options
Diffstat (limited to 'arch/powerpc/sysdev/ge/ge_pic.c')
| -rw-r--r-- | arch/powerpc/sysdev/ge/ge_pic.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c index 2bcb78bb3a15..0bc3f0b36528 100644 --- a/arch/powerpc/sysdev/ge/ge_pic.c +++ b/arch/powerpc/sysdev/ge/ge_pic.c @@ -14,12 +14,14 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqdomain.h> #include <linux/interrupt.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/spinlock.h> #include <asm/byteorder.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/irq.h> #include "ge_pic.h" @@ -91,7 +93,7 @@ static int gef_pic_cascade_irq; * should be masked out. */ -void gef_pic_cascade(unsigned int irq, struct irq_desc *desc) +static void gef_pic_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq; @@ -102,7 +104,7 @@ void gef_pic_cascade(unsigned int irq, struct irq_desc *desc) */ cascade_irq = gef_pic_get_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -150,7 +152,7 @@ static struct irq_chip gef_pic_chip = { }; -/* When an interrupt is being configured, this call allows some flexibilty +/* When an interrupt is being configured, this call allows some flexibility * in deciding which irq_chip structure is used */ static int gef_pic_host_map(struct irq_domain *h, unsigned int virq, @@ -206,14 +208,15 @@ void __init gef_pic_init(struct device_node *np) /* Map controller */ gef_pic_cascade_irq = irq_of_parse_and_map(np, 0); - if (gef_pic_cascade_irq == NO_IRQ) { + if (!gef_pic_cascade_irq) { printk(KERN_ERR "SBC610: failed to map cascade interrupt"); return; } /* Setup an irq_domain structure */ - gef_pic_irq_host = irq_domain_add_linear(np, GEF_PIC_NUM_IRQS, - &gef_pic_host_ops, NULL); + gef_pic_irq_host = irq_domain_create_linear(of_fwnode_handle(np), + GEF_PIC_NUM_IRQS, + &gef_pic_host_ops, NULL); if (gef_pic_irq_host == NULL) return; @@ -223,12 +226,12 @@ void __init gef_pic_init(struct device_node *np) /* * This is called when we receive an interrupt with apparently comes from this - * chip - check, returning the highest interrupt generated or return NO_IRQ + * chip - check, returning the highest interrupt generated or return 0. */ unsigned int gef_pic_get_irq(void) { u32 cause, mask, active; - unsigned int virq = NO_IRQ; + unsigned int virq = 0; int hwirq; cause = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_STATUS); @@ -242,7 +245,7 @@ unsigned int gef_pic_get_irq(void) if (active & (0x1 << hwirq)) break; } - virq = irq_linear_revmap(gef_pic_irq_host, + virq = irq_find_mapping(gef_pic_irq_host, (irq_hw_number_t)hwirq); } |