Merge tag 'for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux...

[linux-2.6-microblaze.git] / Documentation / filesystems / debugfs.rst

diff --git a/Documentation/filesystems/debugfs.rst b/Documentation/filesystems/debugfs.rst
index 6c032db..728ab57 100644 (file)
--- a/Documentation/filesystems/debugfs.rst
+++ b/Documentation/filesystems/debugfs.rst
@@ -166,16 +166,17 @@ file::
     };
 
     struct debugfs_regset32 {
-       struct debugfs_reg32 *regs;
+       const struct debugfs_reg32 *regs;
        int nregs;
        void __iomem *base;
+       struct device *dev;     /* Optional device for Runtime PM */
     };
 
     debugfs_create_regset32(const char *name, umode_t mode,
                            struct dentry *parent,
                            struct debugfs_regset32 *regset);
 
-    void debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+    void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
                         int nregs, void __iomem *base, char *prefix);
 
 The "base" argument may be 0, but you may want to build the reg32 array
@@ -184,13 +185,17 @@ byte offsets over a base for the register block.
 
 If you want to dump an u32 array in debugfs, you can create file with::
 
+    struct debugfs_u32_array {
+       u32 *array;
+       u32 n_elements;
+    };
+
     void debugfs_create_u32_array(const char *name, umode_t mode,
                        struct dentry *parent,
-                       u32 *array, u32 elements);
+                       struct debugfs_u32_array *array);
 
-The "array" argument provides data, and the "elements" argument is
-the number of elements in the array. Note: Once array is created its
-size can not be changed.
+The "array" argument wraps a pointer to the array's data and the number
+of its elements. Note: Once array is created its size can not be changed.
 
 There is a helper function to create device related seq_file::