linux-kernel - [PATCH 4/4] dmaengine: qcom_hidma: convert to DEFINE_SHOW

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Date:   Wed,  5 Dec 2018 11:19:00 -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 4/4] dmaengine: qcom_hidma: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
Acked-by: Sinan Kaya <okaya@...nel.org>
---
 drivers/dma/qcom/hidma_dbg.c | 33 ++++++---------------------------
 1 file changed, 6 insertions(+), 27 deletions(-)

diff --git a/drivers/dma/qcom/hidma_dbg.c b/drivers/dma/qcom/hidma_dbg.c
index 3bdcb8056a36..9523faf7acdc 100644
--- a/drivers/dma/qcom/hidma_dbg.c
+++ b/drivers/dma/qcom/hidma_dbg.c
@@ -85,11 +85,11 @@ static void hidma_ll_devstats(struct seq_file *s, void *llhndl)
 }
 
 /*
- * hidma_chan_stats: display HIDMA channel statistics
+ * hidma_chan_show: display HIDMA channel statistics
  *
  * Display the statistics for the current HIDMA virtual channel device.
  */
-static int hidma_chan_stats(struct seq_file *s, void *unused)
+static int hidma_chan_show(struct seq_file *s, void *unused)
 {
 	struct hidma_chan *mchan = s->private;
 	struct hidma_desc *mdesc;
@@ -117,11 +117,11 @@ static int hidma_chan_stats(struct seq_file *s, void *unused)
 }
 
 /*
- * hidma_dma_info: display HIDMA device info
+ * hidma_dma_show: display HIDMA device info
  *
  * Display the info for the current HIDMA device.
  */
-static int hidma_dma_info(struct seq_file *s, void *unused)
+static int hidma_dma_show(struct seq_file *s, void *unused)
 {
 	struct hidma_dev *dmadev = s->private;
 	resource_size_t sz;
@@ -138,29 +138,8 @@ static int hidma_dma_info(struct seq_file *s, void *unused)
 	return 0;
 }
 
-static int hidma_chan_stats_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, hidma_chan_stats, inode->i_private);
-}
-
-static int hidma_dma_info_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, hidma_dma_info, inode->i_private);
-}
-
-static const struct file_operations hidma_chan_fops = {
-	.open = hidma_chan_stats_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-
-static const struct file_operations hidma_dma_fops = {
-	.open = hidma_dma_info_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(hidma_chan);
+DEFINE_SHOW_ATTRIBUTE(hidma_dma);
 
 void hidma_debug_uninit(struct hidma_dev *dmadev)
 {
-- 
2.17.0