Commit 826d2680 authored by Sujith's avatar Sujith Committed by John W. Linville

ath9k: Add initial layout for an ath9k specific debugfs mechanism

Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 16d68abe
......@@ -88,8 +88,15 @@ enum ATH_DEBUG {
#ifdef CONFIG_ATH9K_DEBUG
struct ath9k_debug {
int debug_mask;
struct dentry *debugfs_root;
struct dentry *debugfs_phy;
};
void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...);
void ath9k_init_debug(struct ath_softc *sc);
int ath9k_init_debug(struct ath_softc *sc);
void ath9k_exit_debug(struct ath_softc *sc);
#else
......@@ -98,11 +105,16 @@ static inline void DPRINTF(struct ath_softc *sc, int dbg_mask,
{
}
static inline ath9k_init_debug(struct ath_softc *sc)
static inline int ath9k_init_debug(struct ath_softc *sc)
{
return 0;
}
#endif
static inline void ath9k_exit_debug(struct ath_softc *sc)
{
}
#endif /* CONFIG_ATH9K_DEBUG */
struct ath_config {
u32 ath_aggr_prot;
......@@ -619,7 +631,7 @@ struct ath_softc {
u8 sc_bssidmask[ETH_ALEN];
#ifdef CONFIG_ATH9K_DEBUG
int sc_debug;
struct ath9k_debug sc_debug;
#endif
u32 sc_intrstatus;
u32 sc_flags; /* SC_OP_* */
......
......@@ -24,7 +24,7 @@ void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
if (!sc)
return;
if (sc->sc_debug & dbg_mask) {
if (sc->sc_debug.debug_mask & dbg_mask) {
va_list args;
va_start(args, fmt);
......@@ -34,7 +34,27 @@ void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
}
}
void ath9k_init_debug(struct ath_softc *sc)
int ath9k_init_debug(struct ath_softc *sc)
{
sc->sc_debug = ath9k_debug;
sc->sc_debug.debug_mask = ath9k_debug;
sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (!sc->sc_debug.debugfs_root)
goto err;
sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
sc->sc_debug.debugfs_root);
if (!sc->sc_debug.debugfs_phy)
goto err;
return 0;
err:
ath9k_exit_debug(sc);
return -ENOMEM;
}
void ath9k_exit_debug(struct ath_softc *sc)
{
debugfs_remove(sc->sc_debug.debugfs_phy);
debugfs_remove(sc->sc_debug.debugfs_root);
}
......@@ -1299,6 +1299,7 @@ static void ath_detach(struct ath_softc *sc)
ath_tx_cleanupq(sc, &sc->sc_txq[i]);
ath9k_hw_detach(sc->sc_ah);
ath9k_exit_debug(sc);
}
static int ath_init(u16 devid, struct ath_softc *sc)
......@@ -1311,7 +1312,8 @@ static int ath_init(u16 devid, struct ath_softc *sc)
/* XXX: hardware will not be ready until ath_open() being called */
sc->sc_flags |= SC_OP_INVALID;
ath9k_init_debug(sc);
if (ath9k_init_debug(sc) < 0)
printk(KERN_ERR "Unable to create debugfs files\n");
spin_lock_init(&sc->sc_resetlock);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
......
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