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-rw-r--r--package/kernel/mac80211/patches/557-ath9k-disable-bands-via-dt.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/557-ath9k-disable-bands-via-dt.patch b/package/kernel/mac80211/patches/557-ath9k-disable-bands-via-dt.patch
new file mode 100644
index 0000000000..ae447ce1f5
--- /dev/null
+++ b/package/kernel/mac80211/patches/557-ath9k-disable-bands-via-dt.patch
@@ -0,0 +1,32 @@
+--- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
++++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
+@@ -34,6 +34,14 @@ Optional properties:
+ ath9k wireless chip (in this case the calibration /
+ EEPROM data will be loaded from userspace using the
+ kernel firmware loader).
++- qca,disable-2ghz: Overrides the settings from the EEPROM and disables the
++ 2.4GHz band. Setting this property is only needed
++ when the RF circuit does not support the 2.4GHz band
++ while it is enabled nevertheless in the EEPROM.
++- qca,disable-5ghz: Overrides the settings from the EEPROM and disables the
++ 5GHz band. Setting this property is only needed when
++ the RF circuit does not support the 5GHz band while
++ it is enabled nevertheless in the EEPROM.
+ - mac-address: See ethernet.txt in the parent directory
+ - local-mac-address: See ethernet.txt in the parent directory
+
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -571,6 +571,12 @@ static int ath9k_of_init(struct ath_soft
+
+ ath_dbg(common, CONFIG, "parsing configuration from OF node\n");
+
++ if (of_property_read_bool(np, "qca,disable-2ghz"))
++ ah->disable_2ghz = true;
++
++ if (of_property_read_bool(np, "qca,disable-5ghz"))
++ ah->disable_5ghz = true;
++
+ if (of_property_read_bool(np, "qca,no-eeprom")) {
+ /* ath9k-eeprom-<bus>-<id>.bin */
+ scnprintf(eeprom_name, sizeof(eeprom_name),