diff options
Diffstat (limited to 'arch/arc/kernel/irq.c')
| -rw-r--r-- | arch/arc/kernel/irq.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index 5fc92455da3..a4b141ee9a6 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c @@ -39,10 +39,14 @@ void arc_init_IRQ(void) level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5; level_mask |= IS_ENABLED(CONFIG_ARC_IRQ6_LV2) << 6; - if (level_mask) { + /* + * Write to register, even if no LV2 IRQs configured to reset it + * in case bootloader had mucked with it + */ + write_aux_reg(AUX_IRQ_LEV, level_mask); + + if (level_mask) pr_info("Level-2 interrupts bitset %x\n", level_mask); - write_aux_reg(AUX_IRQ_LEV, level_mask); - } } /* @@ -146,7 +150,7 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs) set_irq_regs(old_regs); } -int __init get_hw_config_num_irq(void) +int get_hw_config_num_irq(void) { uint32_t val = read_aux_reg(ARC_REG_VECBASE_BCR); |