diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-07-09 15:35:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-07-09 15:35:13 +0200 |
| commit | 48400483565f0b7e633cbef94b139ff295b59de3 (patch) | |
| tree | 485f5563bf2f0eafcf4d88c29d1aac265e51436b /arch | |
| parent | f55966571d5eb2876a11e48e798b4592fa1ffbb7 (diff) | |
| parent | 1fee9db9b42d821e8007289d4eea74bdf85b1543 (diff) | |
Merge tag 'irqchip-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip fixes from Marc Zyngier:
- Fix a MIPS bug where irqdomain loopkups could occur in a context
where RCU is not allowed
- Fix a documentation bug for handle_domain_irq
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/irq.h | 3 | ||||
| -rw-r--r-- | arch/mips/kernel/irq.c | 16 |
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index d1477ecb1af9..57561e0e6e8d 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -57,6 +57,9 @@ asmlinkage void plat_irq_dispatch(void); extern void do_IRQ(unsigned int irq); +struct irq_domain; +extern void do_domain_IRQ(struct irq_domain *domain, unsigned int irq); + extern void arch_init_irq(void); extern void spurious_interrupt(void); diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index 85b6c60f285d..d20e002b3246 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -21,6 +21,7 @@ #include <linux/kallsyms.h> #include <linux/kgdb.h> #include <linux/ftrace.h> +#include <linux/irqdomain.h> #include <linux/atomic.h> #include <linux/uaccess.h> @@ -107,3 +108,18 @@ void __irq_entry do_IRQ(unsigned int irq) irq_exit(); } +#ifdef CONFIG_IRQ_DOMAIN +void __irq_entry do_domain_IRQ(struct irq_domain *domain, unsigned int hwirq) +{ + struct irq_desc *desc; + + irq_enter(); + check_stack_overflow(); + + desc = irq_resolve_mapping(domain, hwirq); + if (likely(desc)) + handle_irq_desc(desc); + + irq_exit(); +} +#endif |