linux-kernel - [PATCH] Documentation: debugfs: Document debugfs helper for unsigned long values

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Date:   Mon, 21 Oct 2019 17:06:45 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Jonathan Corbet <corbet@....net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] Documentation: debugfs: Document debugfs helper for unsigned long values

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

Fixes: c23fe83138ed7b11 ("debugfs: Add debugfs_create_ulong()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 Documentation/filesystems/debugfs.txt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index 9e705026ac103b6f..50e8f91f2421ec04 100644
--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -93,8 +93,8 @@ the following functions can be used instead:
 
 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:
 
     void debugfs_create_size_t(const char *name, umode_t mode,
 			       struct dentry *parent, size_t *value);
@@ -102,6 +102,12 @@ function meant to help out in one special case:
 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,
-- 
2.17.1