diff options
Diffstat (limited to 'kernel/drivers/irqchip/irq-sunxi-nmi.c')
-rw-r--r-- | kernel/drivers/irqchip/irq-sunxi-nmi.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/kernel/drivers/irqchip/irq-sunxi-nmi.c b/kernel/drivers/irqchip/irq-sunxi-nmi.c index 6b2b58243..4ef178078 100644 --- a/kernel/drivers/irqchip/irq-sunxi-nmi.c +++ b/kernel/drivers/irqchip/irq-sunxi-nmi.c @@ -8,6 +8,9 @@ * warranty of any kind, whether express or implied. */ +#define DRV_NAME "sunxi-nmi" +#define pr_fmt(fmt) DRV_NAME ": " fmt + #include <linux/bitops.h> #include <linux/device.h> #include <linux/io.h> @@ -17,8 +20,8 @@ #include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/irqchip.h> #include <linux/irqchip/chained_irq.h> -#include "irqchip.h" #define SUNXI_NMI_SRC_TYPE_MASK 0x00000003 @@ -58,10 +61,10 @@ static inline u32 sunxi_sc_nmi_read(struct irq_chip_generic *gc, u32 off) return irq_reg_readl(gc, off); } -static void sunxi_sc_nmi_handle_irq(unsigned int irq, struct irq_desc *desc) +static void sunxi_sc_nmi_handle_irq(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int virq = irq_find_mapping(domain, 0); chained_irq_enter(chip, desc); @@ -96,8 +99,8 @@ static int sunxi_sc_nmi_set_type(struct irq_data *data, unsigned int flow_type) break; default: irq_gc_unlock(gc); - pr_err("%s: Cannot assign multiple trigger modes to IRQ %d.\n", - __func__, data->irq); + pr_err("Cannot assign multiple trigger modes to IRQ %d.\n", + data->irq); return -EBADR; } @@ -130,30 +133,29 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node, domain = irq_domain_add_linear(node, 1, &irq_generic_chip_ops, NULL); if (!domain) { - pr_err("%s: Could not register interrupt domain.\n", node->name); + pr_err("Could not register interrupt domain.\n"); return -ENOMEM; } - ret = irq_alloc_domain_generic_chips(domain, 1, 2, node->name, + ret = irq_alloc_domain_generic_chips(domain, 1, 2, DRV_NAME, handle_fasteoi_irq, clr, 0, IRQ_GC_INIT_MASK_CACHE); if (ret) { - pr_err("%s: Could not allocate generic interrupt chip.\n", - node->name); - goto fail_irqd_remove; + pr_err("Could not allocate generic interrupt chip.\n"); + goto fail_irqd_remove; } irq = irq_of_parse_and_map(node, 0); if (irq <= 0) { - pr_err("%s: unable to parse irq\n", node->name); + pr_err("unable to parse irq\n"); ret = -EINVAL; goto fail_irqd_remove; } gc = irq_get_domain_generic_chip(domain, 0); - gc->reg_base = of_iomap(node, 0); + gc->reg_base = of_io_request_and_map(node, 0, of_node_full_name(node)); if (!gc->reg_base) { - pr_err("%s: unable to map resource\n", node->name); + pr_err("unable to map resource\n"); ret = -ENOMEM; goto fail_irqd_remove; } @@ -182,8 +184,7 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node, sunxi_sc_nmi_write(gc, reg_offs->enable, 0); sunxi_sc_nmi_write(gc, reg_offs->pend, 0x1); - irq_set_handler_data(irq, domain); - irq_set_chained_handler(irq, sunxi_sc_nmi_handle_irq); + irq_set_chained_handler_and_data(irq, sunxi_sc_nmi_handle_irq, domain); return 0; |