netdev - [PATCH net-next] net: airoha: npu: Dump fw version during probe

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Message-Id: <20260105-airoha-npu-dump-fw-v1-1-36d8326975f8@kernel.org>
Date: Mon, 05 Jan 2026 09:49:16 +0100
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org, 
 Lorenzo Bianconi <lorenzo@...nel.org>
Subject: [PATCH net-next] net: airoha: npu: Dump fw version during probe

Dump firmware version running on the npu during module probe.

Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
 drivers/net/ethernet/airoha/airoha_npu.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/airoha/airoha_npu.c b/drivers/net/ethernet/airoha/airoha_npu.c
index 68b7f9684dc7f3912493876ae937207f55b81330..22f72c146065998d5450477f664ed308b1569aa3 100644
--- a/drivers/net/ethernet/airoha/airoha_npu.c
+++ b/drivers/net/ethernet/airoha/airoha_npu.c
@@ -657,6 +657,7 @@ static int airoha_npu_probe(struct platform_device *pdev)
 	struct resource res;
 	void __iomem *base;
 	int i, irq, err;
+	u32 val;

 	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
@@ -750,6 +751,11 @@ static int airoha_npu_probe(struct platform_device *pdev)
 	regmap_write(npu->regmap, REG_CR_BOOT_TRIGGER, 0x1);
 	msleep(100);

+	if (!airoha_npu_wlan_msg_get(npu, 0, WLAN_FUNC_GET_WAIT_NPU_VERSION,
+				     &val, sizeof(val), GFP_KERNEL))
+		dev_info(dev, "NPU fw version: %0d.%d\n",
+			 (val >> 16) & 0xffff, val & 0xffff);
+
 	platform_set_drvdata(pdev, npu);

 	return 0;

---
base-commit: c303e8b86d9dbd6868f5216272973292f7f3b7f1
change-id: 20251223-airoha-npu-dump-fw-59f77b82fba3

Best regards,
-- 
Lorenzo Bianconi <lorenzo@...nel.org>