diff options
Diffstat (limited to 'chip/it83xx/irq.c')
| -rw-r--r-- | chip/it83xx/irq.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/chip/it83xx/irq.c b/chip/it83xx/irq.c index c2564c05a3..308fa5b2e7 100644 --- a/chip/it83xx/irq.c +++ b/chip/it83xx/irq.c @@ -122,8 +122,16 @@ void chip_disable_irq(int irq) int bit = irq % 8; /* SOC's interrupts share CPU machine-mode external interrupt */ - if (IS_ENABLED(CHIP_CORE_RISCV)) + if (IS_ENABLED(CHIP_CORE_RISCV)) { + volatile uint8_t _ier __unused; + IT83XX_INTC_REG(irq_groups[group].ier_off) &= ~BIT(bit); + /* + * This load operation will guarantee the above modification of + * EC's register can be seen by any following instructions. + */ + _ier = IT83XX_INTC_REG(irq_groups[group].ier_off); + } /* SOC's interrupts use CPU HW interrupt 2 ~ 15 */ if (IS_ENABLED(CHIP_CORE_NDS32)) |