linux-kernel - [PATCH net-next 2/2] net: ethernet: mtk_eth

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Date:   Wed, 19 Apr 2023 20:05:16 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH net-next 2/2] net: ethernet: mtk_eth_soc: use WO firmware for
 MT7981

In order to support wireless offloading on MT7981 we need to load the
appropriate firmware. Recognize MT7981 and load mt7981_wo.bin.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/ethernet/mediatek/mtk_wed_mcu.c | 7 ++++++-
 drivers/net/ethernet/mediatek/mtk_wed_wo.h  | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
index 6bad0d262f286..071ed3dea860d 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
@@ -326,7 +326,11 @@ mtk_wed_mcu_load_firmware(struct mtk_wed_wo *wo)
 		wo->hw->index + 1);
 
 	/* load firmware */
-	fw_name = wo->hw->index ? MT7986_FIRMWARE_WO1 : MT7986_FIRMWARE_WO0;
+	if (of_device_is_compatible(wo->hw->node, "mediatek,mt7981-wed"))
+		fw_name = MT7981_FIRMWARE_WO;
+	else
+		fw_name = wo->hw->index ? MT7986_FIRMWARE_WO1 : MT7986_FIRMWARE_WO0;
+
 	ret = request_firmware(&fw, fw_name, wo->hw->dev);
 	if (ret)
 		return ret;
@@ -386,5 +390,6 @@ int mtk_wed_mcu_init(struct mtk_wed_wo *wo)
 				  100, MTK_FW_DL_TIMEOUT);
 }
 
+MODULE_FIRMWARE(MT7981_FIRMWARE_WO);
 MODULE_FIRMWARE(MT7986_FIRMWARE_WO0);
 MODULE_FIRMWARE(MT7986_FIRMWARE_WO1);
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.h b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
index dbcf42ce9173c..7a1a2a28f1acb 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
@@ -88,6 +88,7 @@ enum mtk_wed_dummy_cr_idx {
 	MTK_WED_DUMMY_CR_WO_STATUS,
 };
 
+#define MT7981_FIRMWARE_WO	"mediatek/mt7981_wo.bin"
 #define MT7986_FIRMWARE_WO0	"mediatek/mt7986_wo_0.bin"
 #define MT7986_FIRMWARE_WO1	"mediatek/mt7986_wo_1.bin"
 
-- 
2.40.0