33 lines
1.4 KiB
Diff
33 lines
1.4 KiB
Diff
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--- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
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+++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
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@@ -34,6 +34,14 @@ Optional properties:
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ath9k wireless chip (in this case the calibration /
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EEPROM data will be loaded from userspace using the
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kernel firmware loader).
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+- qca,disable-2ghz: Overrides the settings from the EEPROM and disables the
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+ 2.4GHz band. Setting this property is only needed
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+ when the RF circuit does not support the 2.4GHz band
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+ while it is enabled nevertheless in the EEPROM.
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+- qca,disable-5ghz: Overrides the settings from the EEPROM and disables the
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+ 5GHz band. Setting this property is only needed when
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+ the RF circuit does not support the 5GHz band while
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+ it is enabled nevertheless in the EEPROM.
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- mac-address: See ethernet.txt in the parent directory
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- local-mac-address: See ethernet.txt in the parent directory
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--- a/drivers/net/wireless/ath/ath9k/init.c
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+++ b/drivers/net/wireless/ath/ath9k/init.c
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@@ -571,6 +571,12 @@ static int ath9k_of_init(struct ath_soft
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ath_dbg(common, CONFIG, "parsing configuration from OF node\n");
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+ if (of_property_read_bool(np, "qca,disable-2ghz"))
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+ ah->disable_2ghz = true;
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+
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+ if (of_property_read_bool(np, "qca,disable-5ghz"))
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+ ah->disable_5ghz = true;
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+
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if (of_property_read_bool(np, "qca,no-eeprom")) {
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/* ath9k-eeprom-<bus>-<id>.bin */
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scnprintf(eeprom_name, sizeof(eeprom_name),
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