ath5k: log descriptor chains at a new debug level

Descriptors are currently logged with ATH5K_DEBUG_RESET,
which isn't really apt, and also means we can't see just
the descriptor setup or just the resets.  Add a new
debug level just for that.

Acked-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath5k/debug.c

@@ -312,6 +312,7 @@ static const struct {
 	{ ATH5K_DEBUG_DUMP_TX,	"dumptx",	"print transmit skb content" },
 	{ ATH5K_DEBUG_DUMPBANDS, "dumpbands",	"dump bands" },
 	{ ATH5K_DEBUG_ANI,	"ani",		"adaptive noise immunity" },
+	{ ATH5K_DEBUG_DESC,	"desc",		"descriptor chains" },
 	{ ATH5K_DEBUG_ANY,	"all",		"show all debug levels" },
 };
 
@@ -955,7 +956,7 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
 	struct ath5k_rx_status rs = {};
 	int status;
 
-	if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
+	if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
 		return;
 
 	printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
@@ -997,7 +998,7 @@ ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	struct ath5k_tx_status ts = {};
 	int done;
 
-	if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
+	if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
 		return;
 
 	done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);