openwrtv4/package/kernel/mac80211/patches/557-ath9k-disable-bands-via-dt.patch

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--- 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),