All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rosen Penev <rosenp@gmail.com>
To: netdev@vger.kernel.org
Cc: Chris Snook <chris.snook@gmail.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Russell King <linux@armlinux.org.uk> (maintainer:SFF/SFP/SFP+
	MODULE SUPPORT:Keyword:phylink\.h|struct\s+phylink|\.phylink|>,
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH net 1/3] Revert "net: ag71xx: use devm for register_netdev"
Date: Mon,  2 Feb 2026 13:46:32 -0800	[thread overview]
Message-ID: <20260202214634.72738-1-rosenp@gmail.com> (raw)

This reverts commit cc20a4791641a1cbd1525695fac0d4725dd72509.

register_netdev gets called after phylink_create which has no devm
equivalent. phylink_destroy must be called after unregister_netdev and
not before.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/net/ethernet/atheros/ag71xx.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index cbc730c7cff2..f2f12642529e 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1926,7 +1926,7 @@ static int ag71xx_probe(struct platform_device *pdev)
 		return dev_err_probe(&pdev->dev, err,
 				     "failed to setup phylink");
 
-	err = devm_register_netdev(&pdev->dev, ndev);
+	err = register_netdev(ndev);
 	if (err) {
 		netif_err(ag, probe, ndev, "unable to register net device\n");
 		return err;
@@ -1939,6 +1939,17 @@ static int ag71xx_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static void ag71xx_remove(struct platform_device *pdev)
+{
+	struct net_device *ndev = platform_get_drvdata(pdev);
+
+	if (!ndev)
+		return;
+
+	unregister_netdev(ndev);
+	platform_set_drvdata(pdev, NULL);
+}
+
 static const u32 ar71xx_fifo_ar7100[] = {
 	0x0fff0000, 0x00001fff, 0x00780fff,
 };
@@ -2024,6 +2035,7 @@ MODULE_DEVICE_TABLE(of, ag71xx_match);
 
 static struct platform_driver ag71xx_driver = {
 	.probe		= ag71xx_probe,
+	.remove_new	= ag71xx_remove,
 	.driver = {
 		.name	= "ag71xx",
 		.of_match_table = ag71xx_match,
-- 
2.52.0


             reply	other threads:[~2026-02-02 21:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-02 21:46 Rosen Penev [this message]
2026-02-02 21:46 ` [PATCH net 2/3] Revert "net: ag71xx: remove platform_set_drvdata" Rosen Penev
2026-02-02 21:46 ` [PATCH net 3/3] net: ag71xx: call phylink_destroy on failure Rosen Penev
2026-02-04  3:32   ` Jakub Kicinski
2026-02-03 10:28 ` [PATCH net 1/3] Revert "net: ag71xx: use devm for register_netdev" Bartosz Golaszewski
2026-02-03 19:52   ` Rosen Penev

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260202214634.72738-1-rosenp@gmail.com \
    --to=rosenp@gmail.com \
    --cc=andrew+netdev@lunn.ch \
    --cc=chris.snook@gmail.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=kuba@kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.