static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
char *buf)
{
+ int ret;
+ unsigned long flags;
struct cardstate *cs = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", atomic_read(&cs->cidmode));
+
+ spin_lock_irqsave(&cs->lock, flags);
+ ret = sprintf(buf, "%u\n", cs->cidmode);
+ spin_unlock_irqrestore(&cs->lock, flags);
+
+ return ret;
}
static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,