Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
Documentation/watchdog/watchdog-kernel-api.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/watchdog/watchdog-kernel-api.txt b/Documentation/watchdog/watchdog-kernel-api.txt
index 227f6cd..03aa948 100644
--- a/Documentation/watchdog/watchdog-kernel-api.txt
+++ b/Documentation/watchdog/watchdog-kernel-api.txt
@@ -1,6 +1,6 @@
The Linux WatchDog Timer Driver Core kernel API.
===============================================
-Last reviewed: 16-Mar-2012
+Last reviewed: 11-May-2012
Wim Van Sebroeck <wim@xxxxxxxxx>
@@ -46,6 +46,10 @@ struct watchdog_device {
unsigned int min_timeout;
unsigned int max_timeout;
void *driver_data;
+ int id;
+ struct cdev cdev;
+ struct device *dev;
+ struct device *busdev;
unsigned long status;
};
@@ -61,6 +65,11 @@ It contains following fields:
* driver_data: a pointer to the drivers private data of a watchdog device.
This data should only be accessed via the watchdog_set_drvadata and
watchdog_get_drvdata routines.
+* id: set by watchdog_register_device, id 0 is special it has both a dynamic
+ major, minor 0 /dev/watchdog0 cdev as well as the old miscdev /dev/watchdog
+* cdev: cdev for the dynamic major /dev/watchdog<id> device nodes
+* dev: device under the watchdog class
+* busdev: set this to the parent device (or NULL) before calling register
* status: this field contains a number of status bits that give extra
information about the status of the device (Like: is the watchdog timer
running/active, is the nowayout bit set, is the device opened via
--
1.7.10
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