int intc_set_priority(unsigned int irq, unsigned int prio) { struct intc_desc_int *d = get_intc_desc(irq); struct irq_data *data = irq_get_irq_data(irq); struct intc_handle_int *ihp; if (!intc_get_prio_level(irq) || prio <= 1) return -EINVAL; ihp = intc_find_irq(d->prio, d->nr_prio, irq); if (ihp) { if (prio >= (1 << _INTC_WIDTH(ihp->handle))) return -EINVAL; intc_set_prio_level(irq, prio); /* * only set secondary masking method directly * primary masking method is using intc_prio_level[irq] * priority level will be set during next enable() */ if (_INTC_FN(ihp->handle) != REG_FN_ERR) _intc_enable(data, ihp->handle); } return 0; }
int intc_set_priority(unsigned int irq, unsigned int prio) { struct intc_desc_int *d = get_intc_desc(irq); struct irq_data *data = irq_get_irq_data(irq); struct intc_handle_int *ihp; if (!intc_get_prio_level(irq) || prio <= 1) return -EINVAL; ihp = intc_find_irq(d->prio, d->nr_prio, irq); if (ihp) { if (prio >= (1 << _INTC_WIDTH(ihp->handle))) return -EINVAL; intc_set_prio_level(irq, prio); if (_INTC_FN(ihp->handle) != REG_FN_ERR) _intc_enable(data, ihp->handle); } return 0; }