Subject: [PATCH] wireless/wil6210: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li <[email-masked]>
Date: Mon, 3 Dec 2018 08:25:57 -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 ++++-----------------
 1 file changed, 42 insertions(+), 198 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},
-- 
2.17.0