int ipack_device_init()

in ipack.c [425:455]

• 25 lines of code
• 6 McCabe index (conditional complexity)

int ipack_device_init(struct ipack_device *dev)
{
	int ret;

	dev->dev.bus = &ipack_bus_type;
	dev->dev.release = ipack_device_release;
	dev->dev.parent = dev->bus->parent;
	dev_set_name(&dev->dev,
		     "ipack-dev.%u.%u", dev->bus->bus_nr, dev->slot);
	device_initialize(&dev->dev);

	if (dev->bus->ops->set_clockrate(dev, 8))
		dev_warn(&dev->dev, "failed to switch to 8 MHz operation for reading of device ID.\n");
	if (dev->bus->ops->reset_timeout(dev))
		dev_warn(&dev->dev, "failed to reset potential timeout.");

	ret = ipack_device_read_id(dev);
	if (ret < 0) {
		dev_err(&dev->dev, "error reading device id section.\n");
		return ret;
	}

	/* if the device supports 32 MHz operation, use it. */
	if (dev->speed_32mhz) {
		ret = dev->bus->ops->set_clockrate(dev, 32);
		if (ret < 0)
			dev_err(&dev->dev, "failed to switch to 32 MHz operation.\n");
	}

	return 0;
}