ath9k: Store subsystem id in struct hw_version

This subsystem id will be used later to turn on the btcoex
support.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ce011ab..3dc7b5a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1310,7 +1310,7 @@
  * to allow the separation between hardware specific
  * variables (now in ath_hw) and driver specific variables.
  */
-static int ath_init_softc(u16 devid, struct ath_softc *sc)
+static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
 	struct ath_hw *ah = NULL;
 	int r = 0, i;
@@ -1348,6 +1348,7 @@
 
 	ah->ah_sc = sc;
 	ah->hw_version.devid = devid;
+	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
 
 	r = ath9k_hw_init(ah);
@@ -1577,7 +1578,7 @@
 }
 
 /* Device driver core initialization */
-int ath_init_device(u16 devid, struct ath_softc *sc)
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
 {
 	struct ieee80211_hw *hw = sc->hw;
 	int error = 0, i;
@@ -1585,7 +1586,7 @@
 
 	DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
 
-	error = ath_init_softc(devid, sc);
+	error = ath_init_softc(devid, sc, subsysid);
 	if (error != 0)
 		return error;