ramips: i2s: use devm for debugfs seqfile

Avoids some pointless boilerplate.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18675
Signed-off-by: Robert Marko <robimarko@gmail.com>

diff --git a/target/linux/ramips/patches-6.6/835-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-6.6/835-asoc-add-mt7620-support.patch
index 366521243cb8441947441442ad55e2d139191ae5..e53725d43579e7de60a922bb7fb4e20279fa2296 100644 (file)
--- a/target/linux/ramips/patches-6.6/835-asoc-add-mt7620-support.patch
+++ b/target/linux/ramips/patches-6.6/835-asoc-add-mt7620-support.patch
@@ -59,7 +59,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o
 --- /dev/null
 +++ b/sound/soc/ralink/ralink-i2s.c
-@@ -0,0 +1,939 @@
+@@ -0,0 +1,921 @@
 +/*
 + *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
 + *  Copyright (C) 2016 Michael Lee <igvtee@gmail.com>
@@ -200,7 +200,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +      struct snd_dmaengine_dai_dma_data capture_dma_data;
 +
 +      struct dentry *dbg_dir;
-+      struct dentry *dbg_stats;
 +      struct ralink_i2s_stats txstats;
 +      struct ralink_i2s_stats rxstats;
 +};
@@ -696,37 +695,20 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +      return 0;
 +}
 +
-+static int ralink_i2s_stats_open(struct inode *inode, struct file *file)
-+{
-+      return single_open(file, ralink_i2s_stats_show, inode->i_private);
-+}
-+
-+static const struct file_operations ralink_i2s_stats_ops = {
-+      .open = ralink_i2s_stats_open,
-+      .read = seq_read,
-+      .llseek = seq_lseek,
-+      .release = single_release,
-+};
-+
 +static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
 +{
 +      i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL);
 +      if (!i2s->dbg_dir)
 +              return -ENOMEM;
 +
-+      i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO,
-+      i2s->dbg_dir, i2s, &ralink_i2s_stats_ops);
-+      if (!i2s->dbg_stats) {
-+              debugfs_remove(i2s->dbg_dir);
-+              return -ENOMEM;
-+      }
++      debugfs_create_devm_seqfile(i2s->dev, "stats", i2s->dbg_dir,
++                                  &ralink_i2s_stats_show);
 +
 +      return 0;
 +}
 +
 +static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
 +{
-+      debugfs_remove(i2s->dbg_stats);
 +      debugfs_remove(i2s->dbg_dir);
 +}
 +#else