ath9k: Move debugfs under ieee80211/[phyname]/ath9k/

This fixes debugfs problems when a phy is renamed,
and is able to remove a bit of code that is no longer
needed.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 12 insertions, 69 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 0c3c74c157fb..3586c43077a7 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -24,8 +24,6 @@
 #define REG_READ_D(_ah, _reg) \
         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
-static struct dentry *ath9k_debugfs_root;
-
 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
 {
         file->private_data = inode->i_private;
@@ -878,11 +876,8 @@ int ath9k_init_debug(struct ath_hw *ah)
         struct ath_common *common = ath9k_hw_common(ah);
         struct ath_softc *sc = (struct ath_softc *) common->priv;
 
-        if (!ath9k_debugfs_root)
-                return -ENOENT;
-
-        sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
-                                                      ath9k_debugfs_root);
+        sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
+                                                   sc->hw->wiphy->debugfsdir);
         if (!sc->debug.debugfs_phy)
                 return -ENOMEM;
 
@@ -935,29 +930,7 @@ int ath9k_init_debug(struct ath_hw *ah)
         sc->debug.regidx = 0;
         return 0;
 err:
-        ath9k_exit_debug(ah);
-        return -ENOMEM;
-}
-
-void ath9k_exit_debug(struct ath_hw *ah)
-{
-        struct ath_common *common = ath9k_hw_common(ah);
-        struct ath_softc *sc = (struct ath_softc *) common->priv;
-
         debugfs_remove_recursive(sc->debug.debugfs_phy);
-}
-
-int ath9k_debug_create_root(void)
-{
-        ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
-        if (!ath9k_debugfs_root)
-                return -ENOENT;
-
-        return 0;
-}
-
-void ath9k_debug_remove_root(void)
-{
-        debugfs_remove(ath9k_debugfs_root);
-        ath9k_debugfs_root = NULL;
+        sc->debug.debugfs_phy = NULL;
+        return -ENOMEM;
 }
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 646ff7e04c88..1e5078bd0344 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -164,10 +164,7 @@ struct ath9k_debug {
 };
 
 int ath9k_init_debug(struct ath_hw *ah);
-void ath9k_exit_debug(struct ath_hw *ah);
 
-int ath9k_debug_create_root(void);
-void ath9k_debug_remove_root(void);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
                        struct ath_tx_status *ts);
@@ -180,19 +177,6 @@ static inline int ath9k_init_debug(struct ath_hw *ah)
         return 0;
 }
 
-static inline void ath9k_exit_debug(struct ath_hw *ah)
-{
-}
-
-static inline int ath9k_debug_create_root(void)
-{
-        return 0;
-}
-
-static inline void ath9k_debug_remove_root(void)
-{
-}
-
 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
                                             enum ath9k_int status)
 {
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index d11e6da4d892..ef39a4551bd5 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -570,13 +570,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
         if (ret)
                 goto err_hw;
 
-        ret = ath9k_init_debug(ah);
-        if (ret) {
-                ath_print(common, ATH_DBG_FATAL,
-                          "Unable to create debugfs files\n");
-                goto err_debug;
-        }
-
         ret = ath9k_init_queues(sc);
         if (ret)
                 goto err_queues;
@@ -599,8 +592,6 @@ err_btcoex:
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 err_queues:
-        ath9k_exit_debug(ah);
-err_debug:
         ath9k_hw_deinit(ah);
 err_hw:
         tasklet_kill(&sc->intr_tq);
@@ -744,6 +735,13 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
         if (error)
                 goto error_register;
 
+        error = ath9k_init_debug(ah);
+        if (error) {
+                ath_print(common, ATH_DBG_FATAL,
+                          "Unable to create debugfs files\n");
+                goto error_world;
+        }
+
         /* Handle world regulatory */
         if (!ath_is_world_regd(reg)) {
                 error = regulatory_hint(hw->wiphy, reg->alpha2);
@@ -802,7 +800,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
                 if (ATH_TXQ_SETUP(sc, i))
                         ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-        ath9k_exit_debug(sc->sc_ah);
         ath9k_hw_deinit(sc->sc_ah);
 
         tasklet_kill(&sc->intr_tq);
@@ -869,20 +866,12 @@ static int __init ath9k_init(void)
                 goto err_out;
         }
 
-        error = ath9k_debug_create_root();
-        if (error) {
-                printk(KERN_ERR
-                        "ath9k: Unable to create debugfs root: %d\n",
-                        error);
-                goto err_rate_unregister;
-        }
-
         error = ath_pci_init();
         if (error < 0) {
                 printk(KERN_ERR
                         "ath9k: No PCI devices found, driver not installed.\n");
                 error = -ENODEV;
-                goto err_remove_root;
+                goto err_rate_unregister;
         }
 
         error = ath_ahb_init();
@@ -896,8 +885,6 @@ static int __init ath9k_init(void)
  err_pci_exit:
         ath_pci_exit();
 
- err_remove_root:
-        ath9k_debug_remove_root();
  err_rate_unregister:
         ath_rate_control_unregister();
  err_out:
@@ -909,7 +896,6 @@ static void __exit ath9k_exit(void)
 {
         ath_ahb_exit();
         ath_pci_exit();
-        ath9k_debug_remove_root();
         ath_rate_control_unregister();
         printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
 }