[PATCH 1/4] dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Wed Dec 05 2018 - 11:19:10 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/dma/amba-pl08x.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 97483df1f82e..fc8c2bab563c 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -2505,24 +2505,14 @@ static int pl08x_debugfs_show(struct seq_file *s, void *data)
return 0;
}

-static int pl08x_debugfs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pl08x_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations pl08x_debugfs_operations = {
- .open = pl08x_debugfs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(pl08x_debugfs);

static void init_pl08x_debugfs(struct pl08x_driver_data *pl08x)
{
/* Expose a simple debugfs interface to view all clocks */
(void) debugfs_create_file(dev_name(&pl08x->adev->dev),
S_IFREG | S_IRUGO, NULL, pl08x,
- &pl08x_debugfs_operations);
+ &pl08x_debugfs_fops);
}

#else
--
2.17.0