From 45f5fed30a6460ec58f159ff297a2974153a97de Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Thu, 10 May 2012 21:48:59 +0200 Subject: watchdog: Add multiple device support We keep the old /dev/watchdog interface file for the first watchdog via miscdev. This is basically a cut and paste of the relevant interface code from the rtc driver layer tweaked for watchdog. Revised to fix problems noted by Hans de Goede Signed-off-by: Alan Cox Signed-off-by: Hans de Goede Signed-off-by: Tomas Winkler Signed-off-by: Wim Van Sebroeck --- include/linux/watchdog.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/watchdog.h') diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index 1984ea610577..508d56399e6d 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -54,6 +54,8 @@ struct watchdog_info { #ifdef __KERNEL__ #include +#include +#include struct watchdog_ops; struct watchdog_device; @@ -89,6 +91,8 @@ struct watchdog_ops { /** struct watchdog_device - The structure that defines a watchdog device * + * @id: The watchdog's ID. (Allocated by watchdog_register_device) + * @cdev: The watchdog's Character device. * @info: Pointer to a watchdog_info structure. * @ops: Pointer to the list of watchdog operations. * @bootstatus: Status of the watchdog device at boot. @@ -105,6 +109,8 @@ struct watchdog_ops { * via the watchdog_set_drvdata and watchdog_get_drvdata helpers. */ struct watchdog_device { + int id; + struct cdev cdev; const struct watchdog_info *info; const struct watchdog_ops *ops; unsigned int bootstatus; -- cgit v1.2.3