From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 25 Nov 2009 20:35:58 +0000 (+0000)
Subject: package/mac80211: disable 2GHz band for 5GHz only devices
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5838c83c1f47731a5a238022f79ca72d19f732af;p=openwrt%2Fstaging%2Fdangole.git

package/mac80211: disable 2GHz band for 5GHz only devices

SVN-Revision: 18537
---

diff --git a/package/mac80211/Makefile b/package/mac80211/Makefile
index 2da34badac..62903e2665 100644
--- a/package/mac80211/Makefile
+++ b/package/mac80211/Makefile
@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 PKG_NAME:=mac80211
 
 PKG_VERSION:=2009-11-21
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_SOURCE_URL:= \
 	http://www.orbit-lab.org/kernel/compat-wireless-2.6/2009/11 \
 	http://wireless.kernel.org/download/compat-wireless-2.6
diff --git a/package/mac80211/patches/550-ath9k-enable-2GHz-band-only-if-the-device-supports.patch b/package/mac80211/patches/550-ath9k-enable-2GHz-band-only-if-the-device-supports.patch
new file mode 100644
index 0000000000..dca58ed1f6
--- /dev/null
+++ b/package/mac80211/patches/550-ath9k-enable-2GHz-band-only-if-the-device-supports.patch
@@ -0,0 +1,52 @@
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1805,13 +1805,15 @@ static int ath_init_softc(u16 devid, str
+ 
+ 	/* setup channels and rates */
+ 
+-	sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
+-	sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+-	sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
+-		ARRAY_SIZE(ath9k_2ghz_chantable);
+-	sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+-	sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+-		ARRAY_SIZE(ath9k_legacy_rates);
++	if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
++		sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
++		sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
++		sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
++			ARRAY_SIZE(ath9k_2ghz_chantable);
++		sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
++		sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
++			ARRAY_SIZE(ath9k_legacy_rates);
++	}
+ 
+ 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
+ 		sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
+@@ -1886,8 +1888,9 @@ void ath_set_hw_capab(struct ath_softc *
+ 
+ 	hw->rate_control_algorithm = "ath9k_rate_control";
+ 
+-	hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+-		&sc->sbands[IEEE80211_BAND_2GHZ];
++	if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
++		hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
++			&sc->sbands[IEEE80211_BAND_2GHZ];
+ 	if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ 			&sc->sbands[IEEE80211_BAND_5GHZ];
+@@ -1926,9 +1929,12 @@ int ath_init_device(u16 devid, struct at
+ 	reg = &common->regulatory;
+ 
+ 	if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+-		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
++		if (test_bit(ATH9K_MODE_11G, ah->caps.wireless_modes))
++			setup_ht_cap(sc,
++				     &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+ 		if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
+-			setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
++			setup_ht_cap(sc,
++				     &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+ 	}
+ 
+ 	/* initialize tx/rx engine */