From 726ce477285dc77c824ea7273f2be9dd48ef1267 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 21 Oct 2019 17:06:45 +0200
Subject: [PATCH] Documentation: debugfs: Document debugfs helper for unsigned long values
Git-commit: 726ce477285dc77c824ea7273f2be9dd48ef1267
Patch-mainline: v5.5-rc1
References: git-fixes

When debugfs_create_ulong() was added, it was not documented.

Fixes: c23fe83138ed7b11 ("debugfs: Add debugfs_create_ulong()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20191021150645.32440-1-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 Documentation/filesystems/debugfs.txt |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -92,8 +92,8 @@ the following functions can be used inst
 
 These functions are useful as long as the developer knows the size of the
 value to be exported.  Some types can have different widths on different
-architectures, though, complicating the situation somewhat.  There is a
-function meant to help out in one special case:
+architectures, though, complicating the situation somewhat.  There are
+functions meant to help out in such special cases:
 
     struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
 				         struct dentry *parent, 
@@ -102,6 +102,12 @@ function meant to help out in one specia
 As might be expected, this function will create a debugfs file to represent
 a variable of type size_t.
 
+Similarly, there is a helper for variables of type unsigned long:
+
+    struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
+					struct dentry *parent,
+					unsigned long *value);
+
 Boolean values can be placed in debugfs with:
 
     struct dentry *debugfs_create_bool(const char *name, umode_t mode,