Subject: [PATCH] wireless: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li <[email-masked]>
Date: Sun, 2 Dec 2018 04:30:47 -0500

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <[email-masked]>
---
 drivers/net/wireless/ath/wil6210/debugfs.c    | 240 +++---------------
 .../wireless/mediatek/mt76/mt76x0/debugfs.c   |  20 +-
 .../wireless/mediatek/mt76/mt76x2/debugfs.c   |  38 +--
 .../net/wireless/mediatek/mt7601u/debugfs.c   |  40 +--
 drivers/net/wireless/st/cw1200/debug.c        |  32 +--
 5 files changed, 64 insertions(+), 306 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index aa50813a0595..f64e2e6e9a55 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -124,7 +124,7 @@ static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
 	seq_puts(s, "}\n");
 }
 
-static int wil_ring_debugfs_show(struct seq_file *s, void *data)
+static int ring_show(struct seq_file *s, void *data)
 {
 	uint i;
 	struct wil6210_priv *wil = s->private;
@@ -183,18 +183,7 @@ static int wil_ring_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_ring_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_ring_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_ring = {
-	.open		= wil_ring_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(ring);
 
 static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 			    struct wil_status_ring *sring)
@@ -240,7 +229,7 @@ static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
 	seq_puts(s, "}\n");
 }
 
-static int wil_srings_debugfs_show(struct seq_file *s, void *data)
+static int srings_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	int i = 0;
@@ -251,18 +240,7 @@ static int wil_srings_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_srings_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_srings_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_srings = {
-	.open		= wil_srings_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(srings);
 
 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
 			    const char *prefix)
@@ -348,7 +326,7 @@ static void wil_print_mbox_ring(struct seq_file *s, const char *prefix,
 	wil_halp_unvote(wil);
 }
 
-static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
+static int mbox_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	int ret;
@@ -366,18 +344,7 @@ static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_mbox_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_mbox_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_mbox = {
-	.open		= wil_mbox_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(mbox);
 
 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
 {
@@ -624,7 +591,7 @@ static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
 	return 0;
 }
 
-static int wil_memread_debugfs_show(struct seq_file *s, void *data)
+static int memread_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	void __iomem *a;
@@ -645,18 +612,7 @@ static int wil_memread_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_memread_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_memread_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_memread = {
-	.open		= wil_memread_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(memread);
 
 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
 				    size_t count, loff_t *ppos)
@@ -1053,7 +1009,7 @@ static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
 }
 
 /*---------Tx/Rx descriptor------------*/
-static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
+static int txdesc_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct wil_ring *ring;
@@ -1146,21 +1102,10 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_txdesc = {
-	.open		= wil_txdesc_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(txdesc);
 
 /*---------Tx/Rx status message------------*/
-static int wil_status_msg_debugfs_show(struct seq_file *s, void *data)
+static int status_msg_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	int sring_idx = dbg_sring_index;
@@ -1202,19 +1147,7 @@ static int wil_status_msg_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_status_msg_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_status_msg_debugfs_show,
-			   inode->i_private);
-}
-
-static const struct file_operations fops_status_msg = {
-	.open		= wil_status_msg_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(status_msg);
 
 static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
 {
@@ -1232,7 +1165,7 @@ static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
 	return i;
 }
 
-static int wil_rx_buff_mgmt_debugfs_show(struct seq_file *s, void *data)
+static int rx_buff_mgmt_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt;
@@ -1257,19 +1190,7 @@ static int wil_rx_buff_mgmt_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_rx_buff_mgmt_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_rx_buff_mgmt_debugfs_show,
-			   inode->i_private);
-}
-
-static const struct file_operations fops_rx_buff_mgmt = {
-	.open		= wil_rx_buff_mgmt_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt);
 
 /*---------beamforming------------*/
 static char *wil_bfstatus_str(u32 status)
@@ -1299,7 +1220,7 @@ static bool is_all_zeros(void * const x_, size_t sz)
 	return true;
 }
 
-static int wil_bf_debugfs_show(struct seq_file *s, void *data)
+static int bf_show(struct seq_file *s, void *data)
 {
 	int rc;
 	int i;
@@ -1353,18 +1274,7 @@ static int wil_bf_debugfs_show(struct seq_file *s, void *data)
 	}
 	return 0;
 }
-
-static int wil_bf_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_bf_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_bf = {
-	.open		= wil_bf_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(bf);
 
 /*---------temp------------*/
 static void print_temp(struct seq_file *s, const char *prefix, s32 t)
@@ -1381,7 +1291,7 @@ static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 	}
 }
 
-static int wil_temp_debugfs_show(struct seq_file *s, void *data)
+static int temp_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	s32 t_m, t_r;
@@ -1397,21 +1307,10 @@ static int wil_temp_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_temp_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_temp_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_temp = {
-	.open		= wil_temp_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(temp);
 
 /*---------freq------------*/
-static int wil_freq_debugfs_show(struct seq_file *s, void *data)
+static int freq_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
@@ -1421,21 +1320,10 @@ static int wil_freq_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_freq_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_freq_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_freq = {
-	.open		= wil_freq_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(freq);
 
 /*---------link------------*/
-static int wil_link_debugfs_show(struct seq_file *s, void *data)
+static int link_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct station_info *sinfo;
@@ -1487,21 +1375,10 @@ static int wil_link_debugfs_show(struct seq_file *s, void *data)
 	kfree(sinfo);
 	return rc;
 }
-
-static int wil_link_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_link_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_link = {
-	.open		= wil_link_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(link);
 
 /*---------info------------*/
-static int wil_info_debugfs_show(struct seq_file *s, void *data)
+static int info_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct net_device *ndev = wil->main_ndev;
@@ -1536,18 +1413,7 @@ static int wil_info_debugfs_show(struct seq_file *s, void *data)
 #undef CHECK_QSTATE
 	return 0;
 }
-
-static int wil_info_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_info_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_info = {
-	.open		= wil_info_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(info);
 
 /*---------recovery------------*/
 /* mode = [manual|auto]
@@ -1663,7 +1529,7 @@ static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
 	seq_puts(s, "\n");
 }
 
-static int wil_sta_debugfs_show(struct seq_file *s, void *data)
+static int sta_show(struct seq_file *s, void *data)
 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
 {
 	struct wil6210_priv *wil = s->private;
@@ -1745,20 +1611,9 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
 
 	return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(sta);
 
-static int wil_sta_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_sta_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_sta = {
-	.open		= wil_sta_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
-
-static int wil_mids_debugfs_show(struct seq_file *s, void *data)
+static int mids_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
 	struct wil6210_vif *vif;
@@ -1781,18 +1636,7 @@ static int wil_mids_debugfs_show(struct seq_file *s, void *data)
 
 	return 0;
 }
-
-static int wil_mids_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, wil_mids_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations fops_mids = {
-	.open		= wil_mids_seq_open,
-	.release	= single_release,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-};
+DEFINE_SHOW_ATTRIBUTE(mids);
 
 static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data)
 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
@@ -2436,23 +2280,23 @@ static const struct {
 	umode_t mode;
 	const struct file_operations *fops;
 } dbg_files[] = {
-	{"mbox",	0444,		&fops_mbox},
-	{"rings",	0444,		&fops_ring},
-	{"stations", 0444,		&fops_sta},
-	{"mids",	0444,		&fops_mids},
-	{"desc",	0444,		&fops_txdesc},
-	{"bf",		0444,		&fops_bf},
-	{"mem_val",	0644,		&fops_memread},
+	{"mbox",	0444,		&mbox_fops},
+	{"rings",	0444,		&ring_fops},
+	{"stations", 0444,		&sta_fops},
+	{"mids",	0444,		&mids_fops},
+	{"desc",	0444,		&txdesc_fops},
+	{"bf",		0444,		&bf_fops},
+	{"mem_val",	0644,		&memread_fops},
 	{"rxon",	0244,		&fops_rxon},
 	{"tx_mgmt",	0244,		&fops_txmgmt},
 	{"wmi_send", 0244,		&fops_wmi},
 	{"back",	0644,		&fops_back},
 	{"pmccfg",	0644,		&fops_pmccfg},
 	{"pmcdata",	0444,		&fops_pmcdata},
-	{"temp",	0444,		&fops_temp},
-	{"freq",	0444,		&fops_freq},
-	{"link",	0444,		&fops_link},
-	{"info",	0444,		&fops_info},
+	{"temp",	0444,		&temp_fops},
+	{"freq",	0444,		&freq_fops},
+	{"link",	0444,		&link_fops},
+	{"info",	0444,		&info_fops},
 	{"recovery", 0644,		&fops_recovery},
 	{"led_cfg",	0644,		&fops_led_cfg},
 	{"led_blink_time",	0644,	&fops_led_blink_time},
@@ -2460,9 +2304,9 @@ static const struct {
 	{"fw_version",	0444,		&fops_fw_version},
 	{"suspend_stats",	0644,	&fops_suspend_stats},
 	{"compressed_rx_status", 0644,	&fops_compressed_rx_status},
-	{"srings",	0444,		&fops_srings},
-	{"status_msg",	0444,		&fops_status_msg},
-	{"rx_buff_mgmt",	0444,	&fops_rx_buff_mgmt},
+	{"srings",	0444,		&srings_fops},
+	{"status_msg",	0444,		&status_msg_fops},
+	{"rx_buff_mgmt",	0444,	&rx_buff_mgmt_fops},
 	{"tx_latency",	0644,		&fops_tx_latency},
 	{"link_stats",	0644,		&fops_link_stats},
 	{"link_stats_global",	0644,	&fops_link_stats_global},
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
index 3224e5b1a1e5..21fde45b1b20 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c
@@ -18,8 +18,7 @@
 #include "mt76x0.h"
 #include "eeprom.h"
 
-static int
-mt76x0_ampdu_stat_read(struct seq_file *file, void *data)
+static int ampdu_stat_show(struct seq_file *file, void *data)
 {
 	struct mt76x02_dev *dev = file->private;
 	int i, j;
@@ -61,19 +60,7 @@ mt76x0_ampdu_stat_read(struct seq_file *file, void *data)
 
 	return 0;
 }
-
-static int
-mt76x0_ampdu_stat_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, mt76x0_ampdu_stat_read, inode->i_private);
-}
-
-static const struct file_operations fops_ampdu_stat = {
-	.open = mt76x0_ampdu_stat_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ampdu_stat);
 
 void mt76x0_init_debugfs(struct mt76x02_dev *dev)
 {
@@ -83,5 +70,6 @@ void mt76x0_init_debugfs(struct mt76x02_dev *dev)
 	if (!dir)
 		return;
 
-	debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat);
+	debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev,
+				&ampdu_stat_fops);
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c
index e8f8ccc0a5ed..04711cd09d21 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c
@@ -17,8 +17,7 @@
 #include <linux/debugfs.h>
 #include "mt76x2.h"
 
-static int
-mt76x2_ampdu_stat_read(struct seq_file *file, void *data)
+static int ampdu_stat_show(struct seq_file *file, void *data)
 {
 	struct mt76x02_dev *dev = file->private;
 	int i, j;
@@ -40,12 +39,7 @@ mt76x2_ampdu_stat_read(struct seq_file *file, void *data)
 
 	return 0;
 }
-
-static int
-mt76x2_ampdu_stat_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, mt76x2_ampdu_stat_read, inode->i_private);
-}
+DEFINE_SHOW_ATTRIBUTE(ampdu_stat);
 
 static int read_txpower(struct seq_file *file, void *data)
 {
@@ -58,15 +52,7 @@ static int read_txpower(struct seq_file *file, void *data)
 	return 0;
 }
 
-static const struct file_operations fops_ampdu_stat = {
-	.open = mt76x2_ampdu_stat_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-
-static int
-mt76x2_dfs_stat_read(struct seq_file *file, void *data)
+static int dfs_stat_show(struct seq_file *file, void *data)
 {
 	struct mt76x02_dev *dev = file->private;
 	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
@@ -90,19 +76,7 @@ mt76x2_dfs_stat_read(struct seq_file *file, void *data)
 
 	return 0;
 }
-
-static int
-mt76x2_dfs_stat_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, mt76x2_dfs_stat_read, inode->i_private);
-}
-
-static const struct file_operations fops_dfs_stat = {
-	.open = mt76x2_dfs_stat_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dfs_stat);
 
 static int read_agc(struct seq_file *file, void *data)
 {
@@ -127,8 +101,8 @@ void mt76x2_init_debugfs(struct mt76x02_dev *dev)
 	debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
 	debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
 
-	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
-	debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
+	debugfs_create_file("ampdu_stat", 0400, dir, dev, &ampdu_stat_fops);
+	debugfs_create_file("dfs_stats", 0400, dir, dev, &dfs_stat_fops);
 	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
 				    read_txpower);
 
diff --git a/drivers/net/wireless/mediatek/mt7601u/debugfs.c b/drivers/net/wireless/mediatek/mt7601u/debugfs.c
index 991a6a729b1e..0be3084fee01 100644
--- a/drivers/net/wireless/mediatek/mt7601u/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt7601u/debugfs.c
@@ -37,8 +37,7 @@ mt76_reg_get(void *data, u64 *val)
 
 DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");
 
-static int
-mt7601u_ampdu_stat_read(struct seq_file *file, void *data)
+static int ampdu_stat_show(struct seq_file *file, void *data)
 {
 	struct mt7601u_dev *dev = file->private;
 	int i, j;
@@ -80,22 +79,9 @@ mt7601u_ampdu_stat_read(struct seq_file *file, void *data)
 
 	return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(ampdu_stat);
 
-static int
-mt7601u_ampdu_stat_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, mt7601u_ampdu_stat_read, inode->i_private);
-}
-
-static const struct file_operations fops_ampdu_stat = {
-	.open = mt7601u_ampdu_stat_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-
-static int
-mt7601u_eeprom_param_read(struct seq_file *file, void *data)
+static int eeprom_param_show(struct seq_file *file, void *data)
 {
 	struct mt7601u_dev *dev = file->private;
 	struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
@@ -138,19 +124,7 @@ mt7601u_eeprom_param_read(struct seq_file *file, void *data)
 
 	return 0;
 }
-
-static int
-mt7601u_eeprom_param_open(struct inode *inode, struct file *f)
-{
-	return single_open(f, mt7601u_eeprom_param_read, inode->i_private);
-}
-
-static const struct file_operations fops_eeprom_param = {
-	.open = mt7601u_eeprom_param_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(eeprom_param);
 
 void mt7601u_init_debugfs(struct mt7601u_dev *dev)
 {
@@ -165,6 +139,8 @@ void mt7601u_init_debugfs(struct mt7601u_dev *dev)
 
 	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
 	debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
-	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
-	debugfs_create_file("eeprom_param", 0400, dir, dev, &fops_eeprom_param);
+	debugfs_create_file("ampdu_stat", 0400, dir, dev, 
+				&ampdu_stat_fops);
+	debugfs_create_file("eeprom_param", 0400, dir, dev,
+				&eeprom_param_fops);
 }
diff --git a/drivers/net/wireless/st/cw1200/debug.c b/drivers/net/wireless/st/cw1200/debug.c
index 295cb1a29f25..2231ba08bc1f 100644
--- a/drivers/net/wireless/st/cw1200/debug.c
+++ b/drivers/net/wireless/st/cw1200/debug.c
@@ -289,19 +289,7 @@ static int cw1200_status_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static int cw1200_status_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, &cw1200_status_show,
-		inode->i_private);
-}
-
-static const struct file_operations fops_status = {
-	.open = cw1200_status_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(cw1200_status);
 
 static int cw1200_counters_show(struct seq_file *seq, void *v)
 {
@@ -345,19 +333,7 @@ static int cw1200_counters_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static int cw1200_counters_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, &cw1200_counters_show,
-		inode->i_private);
-}
-
-static const struct file_operations fops_counters = {
-	.open = cw1200_counters_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-	.owner = THIS_MODULE,
-};
+DEFINE_SHOW_ATTRIBUTE(cw1200_counters);
 
 static ssize_t cw1200_wsm_dumps(struct file *file,
 	const char __user *user_buf, size_t count, loff_t *ppos)
@@ -399,11 +375,11 @@ int cw1200_debug_init(struct cw1200_common *priv)
 		goto err;
 
 	if (!debugfs_create_file("status", 0400, d->debugfs_phy,
-				 priv, &fops_status))
+				 priv, &cw1200_status_fops))
 		goto err;
 
 	if (!debugfs_create_file("counters", 0400, d->debugfs_phy,
-				 priv, &fops_counters))
+				 priv, &cw1200_counters_fops))
 		goto err;
 
 	if (!debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy,
-- 
2.17.0

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