regmap: rbtree: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index b1e9aae..2e8f014 100644 (file)
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -177,17 +177,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
        return 0;
 }
 
-static int rbtree_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, rbtree_show, inode->i_private);
-}
-
-static const struct file_operations rbtree_fops = {
-       .open           = rbtree_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(rbtree);
 
 static void rbtree_debugfs_init(struct regmap *map)
 {