diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/irq.h | 23 | ||||
| -rw-r--r-- | include/linux/irqchip/arm-gic-v3.h | 4 |
2 files changed, 21 insertions, 6 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index a0231e96a578..65916a305f3d 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -10,18 +10,13 @@ * Thanks. --rmk */ -#include <linux/smp.h> -#include <linux/linkage.h> #include <linux/cache.h> #include <linux/spinlock.h> #include <linux/cpumask.h> -#include <linux/gfp.h> #include <linux/irqhandler.h> #include <linux/irqreturn.h> #include <linux/irqnr.h> -#include <linux/errno.h> #include <linux/topology.h> -#include <linux/wait.h> #include <linux/io.h> #include <linux/slab.h> @@ -1170,4 +1165,22 @@ int __ipi_send_mask(struct irq_desc *desc, const struct cpumask *dest); int ipi_send_single(unsigned int virq, unsigned int cpu); int ipi_send_mask(unsigned int virq, const struct cpumask *dest); +#ifdef CONFIG_GENERIC_IRQ_MULTI_HANDLER +/* + * Registers a generic IRQ handling function as the top-level IRQ handler in + * the system, which is generally the first C code called from an assembly + * architecture-specific interrupt handler. + * + * Returns 0 on success, or -EBUSY if an IRQ handler has already been + * registered. + */ +int __init set_handle_irq(void (*handle_irq)(struct pt_regs *)); + +/* + * Allows interrupt handlers to find the irqchip that's been registered as the + * top-level IRQ handler. + */ +extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init; +#endif + #endif /* _LINUX_IRQ_H */ diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index b26eccc78fb1..f5af3b594e6e 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -106,6 +106,7 @@ #define GICR_PIDR2 GICD_PIDR2 #define GICR_CTLR_ENABLE_LPIS (1UL << 0) +#define GICR_CTLR_RWP (1UL << 3) #define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff) @@ -312,7 +313,8 @@ #define GITS_TYPER_DEVBITS_SHIFT 13 #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) #define GITS_TYPER_PTA (1UL << 19) -#define GITS_TYPER_HWCOLLCNT_SHIFT 24 +#define GITS_TYPER_HCC_SHIFT 24 +#define GITS_TYPER_HCC(r) (((r) >> GITS_TYPER_HCC_SHIFT) & 0xff) #define GITS_TYPER_VMOVP (1ULL << 37) #define GITS_IIDR_REV_SHIFT 12 |