diff options
Diffstat (limited to 'arch/riscv/kernel/irq.c')
| -rw-r--r-- | arch/riscv/kernel/irq.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c index 48e6b7db83a1..6d8659388c49 100644 --- a/arch/riscv/kernel/irq.c +++ b/arch/riscv/kernel/irq.c @@ -14,17 +14,9 @@ /* * Possible interrupt causes: */ -#define INTERRUPT_CAUSE_SOFTWARE 1 -#define INTERRUPT_CAUSE_TIMER 5 -#define INTERRUPT_CAUSE_EXTERNAL 9 - -/* - * The high order bit of the trap cause register is always set for - * interrupts, which allows us to differentiate them from exceptions - * quickly. The INTERRUPT_CAUSE_* macros don't contain that bit, so we - * need to mask it off. - */ -#define INTERRUPT_CAUSE_FLAG (1UL << (__riscv_xlen - 1)) +#define INTERRUPT_CAUSE_SOFTWARE IRQ_S_SOFT +#define INTERRUPT_CAUSE_TIMER IRQ_S_TIMER +#define INTERRUPT_CAUSE_EXTERNAL IRQ_S_EXT int arch_show_interrupts(struct seq_file *p, int prec) { @@ -37,7 +29,7 @@ asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs) struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); - switch (regs->scause & ~INTERRUPT_CAUSE_FLAG) { + switch (regs->scause & ~SCAUSE_IRQ_FLAG) { case INTERRUPT_CAUSE_TIMER: riscv_timer_interrupt(); break; @@ -54,7 +46,8 @@ asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs) handle_arch_irq(regs); break; default: - panic("unexpected interrupt cause"); + pr_alert("unexpected interrupt cause 0x%lx", regs->scause); + BUG(); } irq_exit(); |