mt76: mt7603: disable merge of OTP ROM data by default

The reference driver does not seem to enable it by default, only under certain
conditions, e.g. when a .bin file is loaded.
Make it opt-in via a device tree property for now, in case it is needed on some
boards.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
index 2b6a4d8..3ee06e2 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: ISC
 
+#include <linux/of.h>
 #include "mt7603.h"
 #include "eeprom.h"
 
@@ -100,10 +101,14 @@ mt7603_apply_cal_free_data(struct mt7603_dev *dev, u8 *efuse)
                MT_EE_TX_POWER_1_START_2G,
                MT_EE_TX_POWER_1_START_2G + 1,
        };
+       struct device_node *np = dev->mt76.dev->of_node;
        u8 *eeprom = dev->mt76.eeprom.data;
        int n = ARRAY_SIZE(cal_free_bytes);
        int i;
 
+       if (!np || !of_property_read_bool(np, "mediatek,eeprom-merge-otp"))
+               return;
+
        if (!mt7603_has_cal_free_data(dev, efuse))
                return;