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authorThomas Weißschuh <linux@weissschuh.net>2022-12-19 22:30:39 +0100
committerWim Van Sebroeck <wim@linux-watchdog.org>2023-02-18 15:11:40 +0100
commitb852e7a4a9ab6a1fb08c5aa36b1043672fd814dc (patch)
tree50ced2623ec8f3023b6f181447557b3d1e89fb89 /Documentation
parentdt-bindings: watchdog: fsl-imx: document suspend in wait mode (diff)
downloadlinux-b852e7a4a9ab6a1fb08c5aa36b1043672fd814dc.tar.xz
linux-b852e7a4a9ab6a1fb08c5aa36b1043672fd814dc.zip
watchdog: report fw_version in sysfs
This synchronizes the information reported by ioctl and sysfs. The mismatch is confusing because "wdctl" from util-linux uses the ioctl when used with root privileges and sysfs without. The file is called "fw_version" instead of "firmware_version" as "firmware_version" is already used as custom attribute by single drivers. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20221216-watchdog-sysfs-v2-1-6189311103a9@weissschuh.net Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-class-watchdog7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-watchdog b/Documentation/ABI/testing/sysfs-class-watchdog
index 585caecda3a5..27c000238fe4 100644
--- a/Documentation/ABI/testing/sysfs-class-watchdog
+++ b/Documentation/ABI/testing/sysfs-class-watchdog
@@ -6,6 +6,13 @@ Description:
device at boot. It is equivalent to WDIOC_GETBOOTSTATUS of
ioctl interface.
+What: /sys/class/watchdog/watchdogn/fw_version
+Date: April 2023
+Contact: Thomas Weißschuh
+Description:
+ It is a read only file. It contains firmware version of
+ watchdog device.
+
What: /sys/class/watchdog/watchdogn/identity
Date: August 2015
Contact: Wim Van Sebroeck <wim@iguana.be>