static unsigned long __init SMCConfigState()

in kernel/smc37c93x.c [79:109]

• 26 lines of code
• 4 McCabe index (conditional complexity)

static unsigned long __init SMCConfigState(unsigned long baseAddr)
{
	unsigned char devId;

	unsigned long configPort;
	unsigned long indexPort;
	unsigned long dataPort;

	int i;

	configPort = indexPort = baseAddr;
	dataPort = configPort + 1;

#define NUM_RETRIES 5

	for (i = 0; i < NUM_RETRIES; i++)
	{
		outb(CONFIG_ON_KEY, configPort);
		outb(CONFIG_ON_KEY, configPort);
		outb(DEVICE_ID, indexPort);
		devId = inb(dataPort);
		if (devId == VALID_DEVICE_ID) {
			outb(DEVICE_REV, indexPort);
			/* unsigned char devRev = */ inb(dataPort);
			break;
		}
		else
			udelay(100);
	}
	return (i != NUM_RETRIES) ? baseAddr : 0L;
}