Commit 98919f4c authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Jonathan Corbet
Browse files

Documentation: debugfs: Document debugfs helper for unsigned long values 



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

Fixes: c23fe831 ("debugfs: Add debugfs_create_ulong()")
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent dc5fcc51

Documentation/filesystems/debugfs.txt

+8 −2
Original line number Diff line number Diff line
@@ -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:



    struct dentry *debugfs_create_size_t(const char *name, umode_t mode,

				         struct dentry *parent,
@@ -103,6 +103,12 @@ 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,