dmaengine: mic_x100_dma: 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: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c
index adfd316db1a892a5f0bbae831ae6569c8c2ba270..6a91e28d537de7f82e79c74a663f3019c96160c5 100644 (file)
--- a/drivers/dma/mic_x100_dma.c
+++ b/drivers/dma/mic_x100_dma.c
@@ -676,7 +676,7 @@ static void mic_dma_dev_unreg(struct mic_dma_device *mic_dma_dev)
 }
 
 /* DEBUGFS CODE */
-static int mic_dma_reg_seq_show(struct seq_file *s, void *pos)
+static int mic_dma_reg_show(struct seq_file *s, void *pos)
 {
        struct mic_dma_device *mic_dma_dev = s->private;
        int i, chan_num, first_chan = mic_dma_dev->start_ch;
@@ -707,23 +707,7 @@ static int mic_dma_reg_seq_show(struct seq_file *s, void *pos)
        return 0;
 }
 
-static int mic_dma_reg_debug_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, mic_dma_reg_seq_show, inode->i_private);
-}
-
-static int mic_dma_reg_debug_release(struct inode *inode, struct file *file)
-{
-       return single_release(inode, file);
-}
-
-static const struct file_operations mic_dma_reg_ops = {
-       .owner   = THIS_MODULE,
-       .open    = mic_dma_reg_debug_open,
-       .read    = seq_read,
-       .llseek  = seq_lseek,
-       .release = mic_dma_reg_debug_release
-};
+DEFINE_SHOW_ATTRIBUTE(mic_dma_reg);
 
 /* Debugfs parent dir */
 static struct dentry *mic_dma_dbg;
@@ -747,7 +731,7 @@ static int mic_dma_driver_probe(struct mbus_device *mbdev)
                if (mic_dma_dev->dbg_dir)
                        debugfs_create_file("mic_dma_reg", 0444,
                                            mic_dma_dev->dbg_dir, mic_dma_dev,
-                                           &mic_dma_reg_ops);
+                                           &mic_dma_reg_fops);
        }
        return 0;
 }