27 i8259_update_irq_hw(unsigned int irq, unsigned long mask)  in i8259_update_irq_hw()  argument
30 	if (irq & 8) mask >>= 8;  in i8259_update_irq_hw()
31 	if (irq & 8) port = 0xA1;  in i8259_update_irq_hw()
39 	i8259_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq));  in i8259a_enable_irq()
44 __i8259a_disable_irq(unsigned int irq)  in __i8259a_disable_irq()  argument
46 	i8259_update_irq_hw(irq, cached_irq_mask |= 1 << irq);  in __i8259a_disable_irq()
53 	__i8259a_disable_irq(d->irq);  in i8259a_disable_irq()
60 	unsigned int irq = d->irq;  in i8259a_mask_and_ack_irq()  local
63 	__i8259a_disable_irq(irq);  in i8259a_mask_and_ack_irq()
66 	if (irq >= 8) {  in i8259a_mask_and_ack_irq()
67 		outb(0xE0 | (irq - 8), 0xa0);   /* ack the slave */  in i8259a_mask_and_ack_irq()
68 		irq = 2;  in i8259a_mask_and_ack_irq()
70 	outb(0xE0 | irq, 0x20);			/* ack the master */  in i8259a_mask_and_ack_irq()