linux-kernel - [PATCH 1/4] dmaengine: amba-pl08x: convert to DEFINE_SHOW

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Message-Id: <20181205161900.16434-1-tiny.windzz@gmail.com>
Date:   Wed,  5 Dec 2018 11:18:57 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     vkoul@...nel.org, dan.j.williams@...el.com, sudeep.dutt@...el.com,
        ashutosh.dixit@...el.com, daniel@...que.org,
        haojian.zhuang@...il.com, robert.jarzmik@...e.fr, okaya@...nel.org,
        andy.gross@...aro.org, david.brown@...aro.org
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 1/4] dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 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