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Date: Thu, 16 Jul 2020 16:58:59 +0800
From: Qinglang Miao <miaoqinglang@...wei.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ioana Ciornei <ioana.ciornei@....com>,
Ioana Radulescu <ruxandra.radulescu@....com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] dpaa2-eth: Convert to DEFINE_SHOW_ATTRIBUTE
From: Yongqiang Liu <liuyongqiang13@...wei.com>
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yongqiang Liu <liuyongqiang13@...wei.com>
---
.../freescale/dpaa2/dpaa2-eth-debugfs.c | 63 ++-----------------
1 file changed, 6 insertions(+), 57 deletions(-)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
index f80f94e1e..b87db0846 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
@@ -42,24 +42,7 @@ static int dpaa2_dbg_cpu_show(struct seq_file *file, void *offset)
return 0;
}
-static int dpaa2_dbg_cpu_open(struct inode *inode, struct file *file)
-{
- int err;
- struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)inode->i_private;
-
- err = single_open(file, dpaa2_dbg_cpu_show, priv);
- if (err < 0)
- netdev_err(priv->net_dev, "single_open() failed\n");
-
- return err;
-}
-
-static const struct file_operations dpaa2_dbg_cpu_ops = {
- .open = dpaa2_dbg_cpu_open,
- .read_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_cpu);
static char *fq_type_to_str(struct dpaa2_eth_fq *fq)
{
@@ -106,24 +89,7 @@ static int dpaa2_dbg_fqs_show(struct seq_file *file, void *offset)
return 0;
}
-static int dpaa2_dbg_fqs_open(struct inode *inode, struct file *file)
-{
- int err;
- struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)inode->i_private;
-
- err = single_open(file, dpaa2_dbg_fqs_show, priv);
- if (err < 0)
- netdev_err(priv->net_dev, "single_open() failed\n");
-
- return err;
-}
-
-static const struct file_operations dpaa2_dbg_fq_ops = {
- .open = dpaa2_dbg_fqs_open,
- .read_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_fqs);
static int dpaa2_dbg_ch_show(struct seq_file *file, void *offset)
{
@@ -151,24 +117,7 @@ static int dpaa2_dbg_ch_show(struct seq_file *file, void *offset)
return 0;
}
-static int dpaa2_dbg_ch_open(struct inode *inode, struct file *file)
-{
- int err;
- struct dpaa2_eth_priv *priv = (struct dpaa2_eth_priv *)inode->i_private;
-
- err = single_open(file, dpaa2_dbg_ch_show, priv);
- if (err < 0)
- netdev_err(priv->net_dev, "single_open() failed\n");
-
- return err;
-}
-
-static const struct file_operations dpaa2_dbg_ch_ops = {
- .open = dpaa2_dbg_ch_open,
- .read_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dpaa2_dbg_ch);
void dpaa2_dbg_add(struct dpaa2_eth_priv *priv)
{
@@ -179,13 +128,13 @@ void dpaa2_dbg_add(struct dpaa2_eth_priv *priv)
priv->dbg.dir = dir;
/* per-cpu stats file */
- debugfs_create_file("cpu_stats", 0444, dir, priv, &dpaa2_dbg_cpu_ops);
+ debugfs_create_file("cpu_stats", 0444, dir, priv, &dpaa2_dbg_cpu_fops);
/* per-fq stats file */
- debugfs_create_file("fq_stats", 0444, dir, priv, &dpaa2_dbg_fq_ops);
+ debugfs_create_file("fq_stats", 0444, dir, priv, &dpaa2_dbg_fqs_fops);
/* per-fq stats file */
- debugfs_create_file("ch_stats", 0444, dir, priv, &dpaa2_dbg_ch_ops);
+ debugfs_create_file("ch_stats", 0444, dir, priv, &dpaa2_dbg_ch_fops);
}
void dpaa2_dbg_remove(struct dpaa2_eth_priv *priv)
--
2.17.1
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