Use the helper to get rid of the file operations per debugfs file. The
struct ath9k_softc pointer is set as device driver data to be obtained
in the seq_file read operation.

Signed-off-by: Arend van Spriel <ar...@broadcom.com>
---
 drivers/net/wireless/ath/ath9k/ahb.c   |   1 +
 drivers/net/wireless/ath/ath9k/debug.c | 122 ++++++---------------------------
 drivers/net/wireless/ath/ath9k/pci.c   |   1 +
 3 files changed, 24 insertions(+), 100 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ahb.c 
b/drivers/net/wireless/ath/ath9k/ahb.c
index e000c4c..750a130 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -126,6 +126,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
        sc = hw->priv;
        sc->hw = hw;
        sc->dev = &pdev->dev;
+       dev_set_drvdata(sc->dev, sc);
        sc->mem = mem;
        sc->irq = irq;
 
diff --git a/drivers/net/wireless/ath/ath9k/debug.c 
b/drivers/net/wireless/ath/ath9k/debug.c
index e7b709f..a1f1614 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -403,7 +403,7 @@ static const struct file_operations fops_antenna_diversity 
= {
 
 static int read_file_dma(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
        struct ath_hw *ah = sc->sc_ah;
        u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
        int i, qcuOffset = 0, dcuOffset = 0;
@@ -470,20 +470,6 @@ static int read_file_dma(struct seq_file *file, void *data)
        return 0;
 }
 
-static int open_file_dma(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_dma, inode->i_private);
-}
-
-static const struct file_operations fops_dma = {
-       .open = open_file_dma,
-       .read = seq_read,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 {
        if (status)
@@ -539,7 +525,7 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum 
ath9k_int status)
 
 static int read_file_interrupt(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
 
 #define PR_IS(a, s)                                            \
        do {                                                    \
@@ -600,22 +586,9 @@ static int read_file_interrupt(struct seq_file *file, void 
*data)
        return 0;
 }
 
-static int open_file_interrupt(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_interrupt, inode->i_private);
-}
-
-static const struct file_operations fops_interrupt = {
-       .read = seq_read,
-       .open = open_file_interrupt,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
 static int read_file_xmit(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
 
        seq_printf(file, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
 
@@ -661,7 +634,7 @@ static void print_queue(struct ath_softc *sc, struct 
ath_txq *txq,
 
 static int read_file_queues(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
        struct ath_txq *txq;
        int i;
        static const char *qname[4] = {
@@ -682,7 +655,7 @@ static int read_file_queues(struct seq_file *file, void 
*data)
 
 static int read_file_misc(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
        struct ath9k_vif_iter_data iter_data;
        struct ath_chanctx *ctx;
@@ -772,7 +745,7 @@ static int read_file_misc(struct seq_file *file, void *data)
 
 static int read_file_reset(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
 
        seq_printf(file, "%17s: %2d\n", "Baseband Hang",
                   sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
@@ -833,58 +806,6 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct 
ath_buf *bf,
                TX_STAT_INC(qnum, delim_underrun);
 }
 
-static int open_file_xmit(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_xmit, inode->i_private);
-}
-
-static const struct file_operations fops_xmit = {
-       .read = seq_read,
-       .open = open_file_xmit,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int open_file_queues(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_queues, inode->i_private);
-}
-
-static const struct file_operations fops_queues = {
-       .read = seq_read,
-       .open = open_file_queues,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int open_file_misc(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_misc, inode->i_private);
-}
-
-static const struct file_operations fops_misc = {
-       .read = seq_read,
-       .open = open_file_misc,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int open_file_reset(struct inode *inode, struct file *f)
-{
-       return single_open(f, read_file_reset, inode->i_private);
-}
-
-static const struct file_operations fops_reset = {
-       .read = seq_read,
-       .open = open_file_reset,
-       .owner = THIS_MODULE,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 {
        ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
@@ -1014,7 +935,7 @@ static const struct file_operations fops_regdump = {
 
 static int read_file_dump_nfcal(struct seq_file *file, void *data)
 {
-       struct ath_softc *sc = file->private;
+       struct ath_softc *sc = dev_get_drvdata(file->private);
        struct ath_hw *ah = sc->sc_ah;
        struct ath9k_nfcal_hist *h = sc->cur_chan->caldata.nfCalHist;
        struct ath_common *common = ath9k_hw_common(ah);
@@ -1256,14 +1177,14 @@ int ath9k_init_debug(struct ath_hw *ah)
        ath9k_tx99_init_debug(sc);
        ath9k_spectral_init_debug(sc);
 
-       debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_dma);
-       debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_interrupt);
-       debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_xmit);
-       debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_queues);
+       debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
+                                   read_file_dma);
+       debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
+                                   read_file_interrupt);
+       debugfs_create_devm_seqfile(sc->dev, "xmit", sc->debug.debugfs_phy,
+                                   read_file_xmit);
+       debugfs_create_devm_seqfile(sc->dev, "queues", sc->debug.debugfs_phy,
+                                   read_file_queues);
        debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
                           &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
        debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
@@ -1272,10 +1193,10 @@ int ath9k_init_debug(struct ath_hw *ah)
                           &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
        debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
                           &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
-       debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_misc);
-       debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_reset);
+       debugfs_create_devm_seqfile(sc->dev, "misc", sc->debug.debugfs_phy,
+                                   read_file_misc);
+       debugfs_create_devm_seqfile(sc->dev, "reset", sc->debug.debugfs_phy,
+                                   read_file_reset);
 
        ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
        ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, 
&sc->debug.stats.rxstats);
@@ -1297,8 +1218,9 @@ int ath9k_init_debug(struct ath_hw *ah)
                            &ah->config.cwm_ignore_extcca);
        debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
                            &fops_regdump);
-       debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_dump_nfcal);
+       debugfs_create_devm_seqfile(sc->dev, "dump_nfcal",
+                                   sc->debug.debugfs_phy,
+                                   read_file_dump_nfcal);
 
        ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
        ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
diff --git a/drivers/net/wireless/ath/ath9k/pci.c 
b/drivers/net/wireless/ath/ath9k/pci.c
index c018dea..90c9e3c 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -856,6 +856,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct 
pci_device_id *id)
        sc = hw->priv;
        sc->hw = hw;
        sc->dev = &pdev->dev;
+       dev_set_drvdata(sc->dev, sc);
        sc->mem = pcim_iomap_table(pdev)[0];
        sc->driver_data = id->driver_data;
 
-- 
1.9.1

_______________________________________________
ath9k-devel mailing list
ath9k-devel@lists.ath9k.org
https://lists.ath9k.org/mailman/listinfo/ath9k-devel

Reply via email to