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

   1 --- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
   2 +++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
   3 @@ -34,6 +34,14 @@ Optional properties:
   4                         ath9k wireless chip (in this case the calibration /
   5                         EEPROM data will be loaded from userspace using the
   6                         kernel firmware loader).
   7 +- qca,disable-2ghz: Overrides the settings from the EEPROM and disables the
   8 +                       2.4GHz band. Setting this property is only needed
   9 +                       when the RF circuit does not support the 2.4GHz band
  10 +                       while it is enabled nevertheless in the EEPROM.
  11 +- qca,disable-5ghz: Overrides the settings from the EEPROM and disables the
  12 +                       5GHz band. Setting this property is only needed when
  13 +                       the RF circuit does not support the 5GHz band while
  14 +                       it is enabled nevertheless in the EEPROM.
  15  - mac-address: See ethernet.txt in the parent directory
  16  - local-mac-address: See ethernet.txt in the parent directory
  17
  18 --- a/drivers/net/wireless/ath/ath9k/init.c
  19 +++ b/drivers/net/wireless/ath/ath9k/init.c
  20 @@ -571,6 +571,12 @@ static int ath9k_of_init(struct ath_soft
  21
  22         ath_dbg(common, CONFIG, "parsing configuration from OF node\n");
  23
  24 +       if (of_property_read_bool(np, "qca,disable-2ghz"))
  25 +               ah->disable_2ghz = true;
  26 +
  27 +       if (of_property_read_bool(np, "qca,disable-5ghz"))
  28 +               ah->disable_5ghz = true;
  29 +
  30         if (of_property_read_bool(np, "qca,no-eeprom")) {
  31                 /* ath9k-eeprom-<bus>-<id>.bin */
  32                 scnprintf(eeprom_name, sizeof(eeprom_name),