void oss_irq_disable()

in mac/oss.c [162:186]

• 24 lines of code
• 11 McCabe index (conditional complexity)

void oss_irq_disable(int irq) {
	switch(irq) {
		case IRQ_MAC_SCC:
			oss->irq_level[OSS_IOPSCC] = 0;
			return;
		case IRQ_MAC_ADB:
			oss->irq_level[OSS_IOPISM] = 0;
			return;
		case IRQ_MAC_SCSI:
			oss->irq_level[OSS_SCSI] = 0;
			return;
		case IRQ_NUBUS_9:
		case IRQ_NUBUS_A:
		case IRQ_NUBUS_B:
		case IRQ_NUBUS_C:
		case IRQ_NUBUS_D:
		case IRQ_NUBUS_E:
			irq -= NUBUS_SOURCE_BASE;
			oss->irq_level[irq] = 0;
			return;
	}

	if (IRQ_SRC(irq) == 1)
		via_irq_disable(irq);
}