[PATCH 3/5] watchdog: uapi: add comments for what bit masks apply to

[Randy Dunlap]

Add comments similar to those in include/linux/watchdog.h
so that the reader/user doesn't have to dig into the API documentation
files for this.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
 include/uapi/linux/watchdog.h |    2 ++
 1 file changed, 2 insertions(+)

--- linux-next-20260525.orig/include/uapi/linux/watchdog.h
+++ linux-next-20260525/include/uapi/linux/watchdog.h
@@ -36,6 +36,7 @@ struct watchdog_info {
 #define	WDIOF_UNKNOWN		-1	/* Unknown flag error */
 #define	WDIOS_UNKNOWN		-1	/* Unknown status error */
 
+/* Bit numbers for watchdog_info.options, GETSTATUS and GETBOOTSTATUS ioctls */
 #define	WDIOF_OVERHEAT		0x0001	/* Reset due to CPU overheat */
 #define	WDIOF_FANFAULT		0x0002	/* Fan failed */
 #define	WDIOF_EXTERN1		0x0004	/* External relay 1 */
@@ -50,6 +51,7 @@ struct watchdog_info {
 					   other external alarm not a reboot */
 #define	WDIOF_KEEPALIVEPING	0x8000	/* Keep alive ping reply */
 
+/* Bit numbers for WDIOC_SETOPTIONS ioctl */
 #define	WDIOS_DISABLECARD	0x0001	/* Turn off the watchdog timer */
 #define	WDIOS_ENABLECARD	0x0002	/* Turn on the watchdog timer */
 #define	WDIOS_TEMPPANIC		0x0004	/* Kernel panic on temperature trip */