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-rw-r--r--drivers/watchdog/watchdog_dev.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 2946f3a63110..74070661d368 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -525,6 +525,24 @@ static ssize_t timeout_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(timeout);
+static ssize_t min_timeout_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct watchdog_device *wdd = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", wdd->min_timeout);
+}
+static DEVICE_ATTR_RO(min_timeout);
+
+static ssize_t max_timeout_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct watchdog_device *wdd = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", wdd->max_timeout);
+}
+static DEVICE_ATTR_RO(max_timeout);
+
static ssize_t pretimeout_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -609,6 +627,8 @@ static struct attribute *wdt_attrs[] = {
&dev_attr_state.attr,
&dev_attr_identity.attr,
&dev_attr_timeout.attr,
+ &dev_attr_min_timeout.attr,
+ &dev_attr_max_timeout.attr,
&dev_attr_pretimeout.attr,
&dev_attr_timeleft.attr,
&dev_attr_bootstatus.attr,