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authorAlan Cox <alan@linux.intel.com>2012-05-10 21:48:59 +0200
committerWim Van Sebroeck <wim@iguana.be>2012-05-30 07:54:25 +0200
commit45f5fed30a6460ec58f159ff297a2974153a97de (patch)
treed173b2d22ed1187fb7ed2cb85015ddf5c545da05 /drivers/watchdog/watchdog_core.h
parentfb5f6658163412dce22724e906e324ab7fd62c18 (diff)
downloadlinux-45f5fed30a6460ec58f159ff297a2974153a97de.tar.gz
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 'drivers/watchdog/watchdog_core.h')
-rw-r--r--drivers/watchdog/watchdog_core.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/watchdog/watchdog_core.h b/drivers/watchdog/watchdog_core.h
index 80503f22938..6c951418fca 100644
--- a/drivers/watchdog/watchdog_core.h
+++ b/drivers/watchdog/watchdog_core.h
@@ -26,8 +26,12 @@
* This material is provided "AS-IS" and at no charge.
*/
+#define MAX_DOGS 32 /* Maximum number of watchdog devices */
+
/*
* Functions/procedures to be called by the core
*/
extern int watchdog_dev_register(struct watchdog_device *);
extern int watchdog_dev_unregister(struct watchdog_device *);
+extern int __init watchdog_dev_init(void);
+extern void __exit watchdog_dev_exit(void);