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From:   Yangtao Li <tiny.windzz@gmail.com>
To:     jakub.kicinski@netronome.com, davem@davemloft.net,
        nick.viljoen@netronome.com, joe@perches.com
Cc:     oss-drivers@netronome.com, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, Yangtao Li <tiny.windzz@gmail.com>
Subject: [PATCH] nfp: convert to DEFINE_SHOW_ATTRIBUTE
Date:   Mon,  3 Dec 2018 09:13:35 -0500
Message-Id: <20181203141335.12928-1-tiny.windzz@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 .../ethernet/netronome/nfp/nfp_net_debugfs.c  | 42 ++++---------------
 1 file changed, 7 insertions(+), 35 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c b/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c
index 69b1c9b62e3d..f314cc9966b3 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c
@@ -8,7 +8,7 @@
 
 static struct dentry *nfp_dir;
 
-static int nfp_net_debugfs_rx_q_read(struct seq_file *file, void *data)
+static int nfp_rx_q_show(struct seq_file *file, void *data)
 {
 	struct nfp_net_r_vector *r_vec = file->private;
 	struct nfp_net_rx_ring *rx_ring;
@@ -65,31 +65,9 @@ static int nfp_net_debugfs_rx_q_read(struct seq_file *file, void *data)
 	rtnl_unlock();
 	return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(nfp_rx_q);
 
-static int nfp_net_debugfs_rx_q_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, nfp_net_debugfs_rx_q_read, inode->i_private);
-}
-
-static const struct file_operations nfp_rx_q_fops = {
-	.owner = THIS_MODULE,
-	.open = nfp_net_debugfs_rx_q_open,
-	.release = single_release,
-	.read = seq_read,
-	.llseek = seq_lseek
-};
-
-static int nfp_net_debugfs_tx_q_open(struct inode *inode, struct file *f);
-
-static const struct file_operations nfp_tx_q_fops = {
-	.owner = THIS_MODULE,
-	.open = nfp_net_debugfs_tx_q_open,
-	.release = single_release,
-	.read = seq_read,
-	.llseek = seq_lseek
-};
-
-static int nfp_net_debugfs_tx_q_read(struct seq_file *file, void *data)
+static int nfp_tx_q_show(struct seq_file *file, void *data)
 {
 	struct nfp_net_r_vector *r_vec = file->private;
 	struct nfp_net_tx_ring *tx_ring;
@@ -157,19 +135,13 @@ static int nfp_net_debugfs_tx_q_read(struct seq_file *file, void *data)
 	rtnl_unlock();
 	return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(nfp_tx_q);
 
-static int nfp_net_debugfs_tx_q_open(struct inode *inode, struct file *f)
+static int nfp_xdp_q_show(struct seq_file *file, void *data)
 {
-	return single_open(f, nfp_net_debugfs_tx_q_read, inode->i_private);
+	return nfp_tx_q_show(file, data);
 }
-
-static const struct file_operations nfp_xdp_q_fops = {
-	.owner = THIS_MODULE,
-	.open = nfp_net_debugfs_tx_q_open,
-	.release = single_release,
-	.read = seq_read,
-	.llseek = seq_lseek
-};
+DEFINE_SHOW_ATTRIBUTE(nfp_xdp_q);
 
 void nfp_net_debugfs_vnic_add(struct nfp_net *nn, struct dentry *ddir)
 {
-- 
2.17.0