diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-05-10 23:48:59 +0400 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2012-05-30 09:54:25 +0400 |
| commit | 45f5fed30a6460ec58f159ff297a2974153a97de (patch) | |
| tree | d173b2d22ed1187fb7ed2cb85015ddf5c545da05 /include/linux/watchdog.h | |
| parent | fb5f6658163412dce22724e906e324ab7fd62c18 (diff) | |
| download | linux-45f5fed30a6460ec58f159ff297a2974153a97de.tar.xz | |
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 <alan@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'include/linux/watchdog.h')
| -rw-r--r-- | include/linux/watchdog.h | 6 |
1 files changed, 6 insertions, 0 deletions
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 <linux/bitops.h> +#include <linux/device.h> +#include <linux/cdev.h> 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; |