docs: watchdog: pcwd: fix typo and driver info.

Correct a typo and some technical info for the pcwd driver.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260228010402.2389343-3-rdunlap@infradead.org>

diff --git a/Documentation/watchdog/pcwd-watchdog.rst b/Documentation/watchdog/pcwd-watchdog.rst
index 151505c856f63c8dbfa9ef4a3de8a0c0ae26afad..5cd45abe246a6c8214edc43574c5bf6b6a6d2e52 100644 (file)
--- a/Documentation/watchdog/pcwd-watchdog.rst
+++ b/Documentation/watchdog/pcwd-watchdog.rst
@@ -29,7 +29,7 @@ Documentation and Driver by Ken Hollis <kenji@bitgate.com>
  to run the program with an "&" to run it in the background!)
 
  If you want to write a program to be compatible with the PC Watchdog
- driver, simply use of modify the watchdog test program:
+ driver, simply use or modify the watchdog test program:
  tools/testing/selftests/watchdog/watchdog-test.c
 
 
@@ -37,16 +37,23 @@ Documentation and Driver by Ken Hollis <kenji@bitgate.com>
 
        WDIOC_GETSUPPORT
                This returns the support of the card itself.  This
-               returns in structure "PCWDS" which returns:
+               returns in structure watchdog_info:
+
+                        identity = "PCWD"
+
+                       options = list of supported options::
+                                  WDIOF_OVERHEAT
+                                  WDIOF_CARDRESET
+                                  WDIOF_KEEPALIVEPING
+                                  WDIOF_SETTIMEOUT
+                                  WDIOF_MAGICCLOSE
 
-                       options = WDIOS_TEMPPANIC
-                                 (This card supports temperature)
                        firmware_version = xxxx
                                  (Firmware version of the card)
 
        WDIOC_GETSTATUS
                This returns the status of the card, with the bits of
-               WDIOF_* bitwise-anded into the value.  (The comments
+               WDIOF_* bitwise-ored into the value.  (The comments
                are in include/uapi/linux/watchdog.h)
 
        WDIOC_GETBOOTSTATUS
@@ -55,7 +62,7 @@ Documentation and Driver by Ken Hollis <kenji@bitgate.com>
 
        WDIOC_GETTEMP
                This returns the temperature of the card.  (You can also
-               read /dev/watchdog, which gives a temperature update
+               read /dev/temperature, which gives a temperature update
                every second.)
 
        WDIOC_SETOPTIONS