From nobody Fri Sep 25 00:03:42 2026 Received: from mail.cjdns.fr (mail.cjdns.fr [5.135.140.105]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DA35511237; Fri, 18 Sep 2026 16:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.135.140.105 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789747941; cv=none; b=D68f31CijI4k0tw/rEClePQFXvRovMgVErXizy0iKfKOhEN13ndv9mTU0nsKOOLeyZ0/gMEeBvdz72xkBakV1/u11v4PbkBSB9QUTw7d8EmoxU6joDLu5oDewxs3hOth1wJ9K/YZRO1Kznv4nv3CX0om1ObhFsKX9ysgr/mxUvU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789747941; c=relaxed/simple; bh=OJH6hx0nA6yyBvhmDQ1IwSjnsHCV66logSjjurpz3lc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=hGv37nJBAh7PovarVRw7vwIj9Mvp/TOJ5+faSz3ll27YxedgMt5Bzx9zuvd5yACc16ui6YbtdZLHUnzcYqB2Mf0pbqzKfyO+vnFfQgRpbKicRoHmLO4LOHKiInlSYiAbFCgcT13/btR4TiTqzDgFEwQO/NGSzgqK5/3BDwUHcCY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr; spf=none smtp.mailfrom=cjdns.fr; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b=IU+Sa0SC; arc=none smtp.client-ip=5.135.140.105 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b="IU+Sa0SC" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id BC9FD4E2396; Fri, 18 Sep 2026 18:12:03 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjdns.fr; s=dkim; t=1789747932; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=KJDSnN54e6nHoVHI3hmkPcATaJ7eX7EbuynT3I/CgVs=; b=IU+Sa0SC7beHmdw2MSK4P/O7aAu25uLSTXaSTrVN+eAouJYEIgoffuEjLOBxEzfFzK81rW 7mZU+yb8cGTbqN0Zz1aeJP161GroHj4nEUvB8Pu26vWvx6dKpi/lNH8u25r/31rbp5/WS3 Z2FlBKJhvmGQjt4M9hF7OiM/agJ3GnG7CKx0cknRfz7RTXB0GPXWhJnkJDmeSpfB/ZaAU9 fukxQSqr5y1FTtsWZcz4MAiYX3RJpLV2ZdaguX+C5wD0GeBkn5bwc/WhnaktDpNslUxV1t ZmX0dfXfqP8A7t6y37nCA1L87ocdywUK6GV4STg2InvTf7jZ4iHzqUidNcq42Q== From: Caleb James DeLisle To: netdev@vger.kernel.org Cc: daniel@makrotopia.org, dqfext@gmail.com, SkyLake.Huang@mediatek.com, andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Caleb James DeLisle Subject: [PATCH net-next] net: phy: mediatek: do not match MT7530 PHY if 10/100 only Date: Fri, 18 Sep 2026 16:11:56 +0000 Message-Id: <20260918161156.377822-1-cjd@cjdns.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" An EcoNet SoC 10/100 PHY uses the same ID as the MT7530 PHY, but a true MT7530 PHY always has gigabit support so they can be distinguished by the presence of the ESTATUS_1000_TFULL flag. Add a match_phy_device which refuses to match if the PHY is not gigabit. Signed-off-by: Caleb James DeLisle --- This supercedes [PATCH v6 net-next] net: phy: mediatek: support MT7530 PHYs= on EN71221 MCM Link: https://lore.kernel.org/netdev/20260917130534.297930-1-cjd@cjdns.fr Because after the recent EEE disablement in the driver, it is found that the default MT7530 PHY driver does apparently work with the EcoNet MCM MT7530. --- drivers/net/phy/mediatek/mtk-ge.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/phy/mediatek/mtk-ge.c b/drivers/net/phy/mediatek/m= tk-ge.c index 96d8ac5154e5..f801966bb4ee 100644 --- a/drivers/net/phy/mediatek/mtk-ge.c +++ b/drivers/net/phy/mediatek/mtk-ge.c @@ -101,6 +101,18 @@ static int mt7530_phy_config_init(struct phy_device *p= hydev) return 0; } =20 +/* + * MTK_GPHY_ID_MT7530 ID is also used for an EcoNet SoC FE phy, but that P= HY + * does not advertise ESTATUS_1000_TFULL. Match this driver only if the PHY + * advertizes gigabit capability. + */ +static int mt753x_gphy_match(struct phy_device *phydev, + const struct phy_driver *phydrv) +{ + return genphy_match_phy_device(phydev, phydrv) && + (phy_read(phydev, MII_ESTATUS) & ESTATUS_1000_TFULL) !=3D 0; +} + static int mt7531_phy_config_init(struct phy_device *phydev) { mtk_gephy_config_init(phydev); @@ -135,6 +147,7 @@ static struct phy_driver mtk_gephy_driver[] =3D { */ .config_intr =3D genphy_no_config_intr, .handle_interrupt =3D genphy_handle_interrupt_no_ack, + .match_phy_device =3D mt753x_gphy_match, .suspend =3D genphy_suspend, .resume =3D genphy_resume, .read_page =3D mtk_phy_read_page, --=20 2.39.5