i3c: Add a modalias sysfs attribute

}

static DEVICE_ATTR_RO(hdrcap);

static ssize_t modalias_show(struct device *dev,

			     struct device_attribute *da, char *buf)

{

	struct i3c_device *i3c = dev_to_i3cdev(dev);

	struct i3c_device_info devinfo;

	u16 manuf, part, ext;

	i3c_device_get_info(i3c, &devinfo);

	manuf = I3C_PID_MANUF_ID(devinfo.pid);

	part = I3C_PID_PART_ID(devinfo.pid);

	ext = I3C_PID_EXTRA_INFO(devinfo.pid);

	if (I3C_PID_RND_LOWER_32BITS(devinfo.pid))

		return sprintf(buf, "i3c:dcr%02Xmanuf%04X", devinfo.dcr,

			       manuf);

	return sprintf(buf, "i3c:dcr%02Xmanuf%04Xpart%04Xext%04X",

		       devinfo.dcr, manuf, part, ext);

}

static DEVICE_ATTR_RO(modalias);

static struct attribute *i3c_device_attrs[] = {

	&dev_attr_bcr.attr,

	&dev_attr_dcr.attr,

	&dev_attr_pid.attr,

	&dev_attr_dynamic_address.attr,

	&dev_attr_hdrcap.attr,

	&dev_attr_modalias.attr,

	NULL,

};

ATTRIBUTE_GROUPS(i3c_device);