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authorRichard Fitzgerald <rf@opensource.wolfsonmicro.com>2015-06-23 16:32:54 +0300
committerMark Brown <broonie@kernel.org>2015-07-20 20:44:50 +0300
commit0642ef6f2992eba46c41abb5ceb7d4fa14ba888e (patch)
treefd4fe479afa4f75a2b599ef3f450d9fee5b7ff6e /include/linux/debugfs.h
parentbc0195aad0daa2ad5b0d76cce22b167bc3435590 (diff)
downloadlinux-0642ef6f2992eba46c41abb5ceb7d4fa14ba888e.tar.xz
debugfs: Export bool read/write functions
The file read/write functions for bools have no special dependencies on debugfs internals and are sufficiently non-trivial to be worth exporting so clients can re-use the implementation. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/debugfs.h')
-rw-r--r--include/linux/debugfs.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 420311bcee38..9beb636b97eb 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -116,6 +116,12 @@ struct dentry *debugfs_create_devm_seqfile(struct device *dev, const char *name,
bool debugfs_initialized(void);
+ssize_t debugfs_read_file_bool(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos);
+
+ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos);
+
#else
#include <linux/err.h>
@@ -282,6 +288,20 @@ static inline struct dentry *debugfs_create_devm_seqfile(struct device *dev,
return ERR_PTR(-ENODEV);
}
+static inline ssize_t debugfs_read_file_bool(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ return -ENODEV;
+}
+
+static inline ssize_t debugfs_write_file_bool(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ return -ENODEV;
+}
+
#endif
#endif