linux-kernel - [net-next RFC PATCH 3/6] wifi: mt76: limit support of precal loading for mt7915 to MTD only

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Date:   Tue, 17 Oct 2023 21:05:07 +0200
From:   Christian Marangi <ansuelsmth@...il.com>
To:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Kalle Valo <kvalo@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Christian Marangi <ansuelsmth@...il.com>,
        Simon Horman <horms@...nel.org>,
        Alexander Couzens <lynxis@...0.eu>,
        Nicolas Cavallari <nicolas.cavallari@...en-communications.fr>,
        Daniel Golle <daniel@...rotopia.org>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [net-next RFC PATCH 3/6] wifi: mt76: limit support of precal loading for mt7915 to MTD only

Limit support for precal loading for mt7915 only to MTD. Passing data
from DT doesn't support offset and NVMEM require a different cell name
and doesn't support offset hence only MTD way is actually supported.

Rename mt76_get_of_eeprom_from_mtd to mt76_get_of_data_from_mtd as it is
now used for a more generic purpose and export it.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/net/wireless/mediatek/mt76/eeprom.c        | 5 +++--
 drivers/net/wireless/mediatek/mt76/mt76.h          | 1 +
 drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 1de3c734e136..817074a5d2fc 100644
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -28,7 +28,7 @@ static int mt76_get_of_eeprom_data(struct mt76_dev *dev, void *eep, int len)
 	return 0;
 }
 
-static int mt76_get_of_epprom_from_mtd(struct mt76_dev *dev, void *eep, int offset, int len)
+int mt76_get_of_data_from_mtd(struct mt76_dev *dev, void *eep, int offset, int len)
 {
 #ifdef CONFIG_MTD
 	struct device_node *np = dev->dev->of_node;
@@ -105,6 +105,7 @@ static int mt76_get_of_epprom_from_mtd(struct mt76_dev *dev, void *eep, int offs
 	return -ENOENT;
 #endif
 }
+EXPORT_SYMBOL_GPL(mt76_get_of_data_from_mtd);
 
 static int mt76_get_of_eeprom_from_nvmem(struct mt76_dev *dev, void *eep, int len)
 {
@@ -149,7 +150,7 @@ int mt76_get_of_eeprom(struct mt76_dev *dev, void *eep, int offset, int len)
 	if (!ret)
 		return 0;
 
-	ret = mt76_get_of_epprom_from_mtd(dev, eep, offset, len);
+	ret = mt76_get_of_data_from_mtd(dev, eep, offset, len);
 	if (!ret)
 		return 0;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index e8757865a3d0..f6c850557447 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -1095,6 +1095,7 @@ void mt76_seq_puts_array(struct seq_file *file, const char *str,
 
 int mt76_eeprom_init(struct mt76_dev *dev, int len);
 void mt76_eeprom_override(struct mt76_phy *phy);
+int mt76_get_of_data_from_mtd(struct mt76_dev *dev, void *eep, int offset, int len);
 int mt76_get_of_eeprom(struct mt76_dev *dev, void *data, int offset, int len);
 
 struct mt76_queue *
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index 76be7308460b..5228f710b3da 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -25,7 +25,7 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
 
 	offs = is_mt7915(&dev->mt76) ? MT_EE_PRECAL : MT_EE_PRECAL_V2;
 
-	return mt76_get_of_eeprom(mdev, dev->cal, offs, val);
+	return mt76_get_of_data_from_mtd(mdev, dev->cal, offs, val);
 }
 
 static int mt7915_check_eeprom(struct mt7915_dev *dev)
-- 
2.40.1