ASoC: soc-core: Remove unneeded dentry member from snd_soc_codec

There is no need to have the *debugfs_reg dentry member as part of
the snd_soc_codec structure as its only usage is inside
soc_init_codec_debugfs().

Use a local dentry variable instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -903,10 +903,6 @@ struct snd_soc_codec {
 
 	/* component */
 	struct snd_soc_component component;
-
-#ifdef CONFIG_DEBUG_FS
-	struct dentry *debugfs_reg;
-#endif
 };
 
 /* codec driver */

sound/soc/soc-core.c

@@ -339,11 +339,12 @@ static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
 static void soc_init_codec_debugfs(struct snd_soc_component *component)
 {
 	struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+	struct dentry *debugfs_reg;
 
-	codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
-						 codec->component.debugfs_root,
-						 codec, &codec_reg_fops);
-	if (!codec->debugfs_reg)
+	debugfs_reg = debugfs_create_file("codec_reg", 0644,
+					  codec->component.debugfs_root,
+					  codec, &codec_reg_fops);
+	if (!debugfs_reg)
 		dev_warn(codec->dev,
 			"ASoC: Failed to create codec register debugfs file\n");
 }