static ssize_t coredump_store(struct device *dev, struct device_attribute *attr,
			    const char *buf, size_t count)
{
	device_lock(dev);
	dev->driver->coredump(dev);
	device_unlock(dev);

	return count;
}
static ssize_t coredump_store(struct device *dev, struct device_attribute *attr,
			    const char *buf, size_t count)
{
	device_lock(dev);
	dev->driver->coredump(dev);
	device_unlock(dev);

	return count;
}