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watchdog: create all the proper device files

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Create the watchdog class and it's associated devices.

Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
This commit is contained in:
Alan Cox 2012-05-11 12:00:20 +02:00 • committed by Wim Van Sebroeck
commit d6b469d915
4 changed files with 42 additions and 2 deletions
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5
Documentation/watchdog/watchdog-kernel-api.txt
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@ -41,6 +41,8 @@ The watchdog device structure looks like this:
struct watchdog_device {
int id;
struct cdev cdev;
struct device *dev;
struct device *parent;
const struct watchdog_info *info;
const struct watchdog_ops *ops;
unsigned int bootstatus;
@ -58,6 +60,9 @@ It contains following fields:
watchdog_register_device.
* cdev: cdev for the dynamic /dev/watchdog<id> device nodes. This
field is also populated by watchdog_register_device.
* dev: device under the watchdog class (created by watchdog_register_device).
* parent: set this to the parent device (or NULL) before calling
watchdog_register_device.
* info: a pointer to a watchdog_info structure. This structure gives some
additional information about the watchdog timer itself. (Like it's unique name)
* ops: a pointer to the list of watchdog operations that the watchdog supports.