linux-kernel - [PATCH net-next 2/4] net: altera-tse: Read core revision before registering netdev

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Message-ID: <20251030102418.114518-3-maxime.chevallier@bootlin.com>
Date: Thu, 30 Oct 2025 11:24:15 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	davem@...emloft.net,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>,
	Simon Horman <horms@...nel.org>,
	Boon Khai Ng <boon.khai.ng@...era.com>,
	Alexis Lothoré <alexis.lothore@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next 2/4] net: altera-tse: Read core revision before registering netdev

The core revision is used in .ndo_open(), so we have to populate it
before regstering the netdev.

Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
---
 drivers/net/ethernet/altera/altera_tse_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 6ba1249f027d..c74b1c11d759 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1388,6 +1388,8 @@ static int altera_tse_probe(struct platform_device *pdev)
 	spin_lock_init(&priv->tx_lock);
 	spin_lock_init(&priv->rxdma_irq_lock);
 
+	priv->revision = ioread32(&priv->mac_dev->megacore_revision);
+
 	netif_carrier_off(ndev);
 	ret = register_netdev(ndev);
 	if (ret) {
@@ -1395,8 +1397,6 @@ static int altera_tse_probe(struct platform_device *pdev)
 		goto err_register_netdev;
 	}
 
-	priv->revision = ioread32(&priv->mac_dev->megacore_revision);
-
 	if (netif_msg_probe(priv))
 		dev_info(&pdev->dev, "Altera TSE MAC version %d.%d at 0x%08lx irq %d/%d\n",
 			 (priv->revision >> 8) & 0xff,
-- 
2.49.0