From nobody Mon Dec 1 22:03:23 2025 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 AB7FE2F9DA4; Thu, 27 Nov 2025 17:18:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764263938; cv=none; b=KVZoAu2bh2OV0/FWwXb0dornVUjjVji3jIqi80vhImwb1cedFj7KIh35qKdcYA9qZ6j4MSWQoOdv/9iXELe2/ZxuJPLVT7d87l/n+MIlMwJg4W5ZsYZ9vitF2EQrjlw5VLIsa9raERTys8NUKqdt25Qfmkbqk421lC0ToqEp3q4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764263938; c=relaxed/simple; bh=tt0dXiCJALxhm/cT6NWM98qxUxeweZkiR98t/PQu+0Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cgwFXC0PkogUG5GJbHN17RPJ7p953p5s3VbcRoFnqs9f3zYtT6zVKcxw23S3qJ2Z7an/5tdnO8nqgH3f1AYrVowumXgMicaBsTw0DpuqowThGVe5RIj50+wLbIYytG2XnARSs2PlBfvHdWd8rMFN8wKcd0/hScwTld2gfVv9kUs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=RfX5hHl0; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="RfX5hHl0" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 56FC91A1DCD; Thu, 27 Nov 2025 17:18:50 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 2D20660722; Thu, 27 Nov 2025 17:18:50 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id D6831103C8C5F; Thu, 27 Nov 2025 18:18:45 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1764263928; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=IgeFtzPJBwvvnb/uQ0mJxfH+yFO6HcqUK0tAUzlalzA=; b=RfX5hHl0AD/4OQ2BlduszgyKR5taG168zTrzLN2OgsTD5b7xnzvpr0BvAcpjyoklBDo4yN NThVfPPU70yc24yeMN8bJdT3ZOIZtBonbhSBfirE7vmWu9gJpyWcUJcsh9PkFXbQk3TXXw EAOzB8Og2W/TBOy8CqwdF3gtBTyDJNGoXmMHG/e+3rG7KgSjqm8zPU4MdkXpBSAO1clznc vkeioMZlqqdDsD8rTNxg2M5l3BEeEDUepA3djU/EW9MlwW7wWbMrbUAm5ie4D9TUq8hL5S 5hovDEJHqw5Yyx4Z8L9SHnQ6AWPY0FamR2uVbHf/moNlexAhUwwRmFnOzE/Zeg== From: Maxime Chevallier To: davem@davemloft.net Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?UTF-8?q?K=C3=B6ry=20Maincent?= , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Oleksij Rempel , =?UTF-8?q?Nicol=C3=B2=20Veronese?= , Simon Horman , mwojtas@chromium.org, Antoine Tenart , devicetree@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Rob Herring , Romain Gantois , Daniel Golle , Dimitri Fedrau , Tariq Toukan Subject: [PATCH net-next v20 09/14] net: phy: marvell: Support SFP through phy_port interface Date: Thu, 27 Nov 2025 18:17:52 +0100 Message-ID: <20251127171800.171330-10-maxime.chevallier@bootlin.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251127171800.171330-1-maxime.chevallier@bootlin.com> References: <20251127171800.171330-1-maxime.chevallier@bootlin.com> 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" Convert the Marvell driver (especially the 88e1512 driver) to use the phy_port interface to handle SFPs. This means registering a .attach_port() handler to detect when a serdes line interface is used (most likely, and SFP module). Reviewed-by: Christophe Leroy Reviewed-by: Andrew Lunn Tested-by: Christophe Leroy Signed-off-by: Maxime Chevallier --- drivers/net/phy/marvell.c | 92 ++++++++++++++------------------------- 1 file changed, 32 insertions(+), 60 deletions(-) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index c248c90510ae..7a578b5aa2ed 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -29,10 +29,10 @@ #include #include #include +#include #include #include #include -#include =20 #include #include @@ -3598,11 +3598,10 @@ static int marvell_probe(struct phy_device *phydev) return marvell_hwmon_probe(phydev); } =20 -static int m88e1510_sfp_insert(void *upstream, const struct sfp_eeprom_id = *id) +static int m88e1510_port_configure_serdes(struct phy_port *port, bool enab= le, + phy_interface_t interface) { - struct phy_device *phydev =3D upstream; - const struct sfp_module_caps *caps; - phy_interface_t interface; + struct phy_device *phydev =3D port_phydev(port); struct device *dev; int oldpage; int ret =3D 0; @@ -3610,28 +3609,27 @@ static int m88e1510_sfp_insert(void *upstream, cons= t struct sfp_eeprom_id *id) =20 dev =3D &phydev->mdio.dev; =20 - caps =3D sfp_get_module_caps(phydev->sfp_bus); - interface =3D sfp_select_interface(phydev->sfp_bus, caps->link_modes); + if (enable) { + switch (interface) { + case PHY_INTERFACE_MODE_1000BASEX: + mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X; =20 - dev_info(dev, "%s SFP module inserted\n", phy_modes(interface)); + break; + case PHY_INTERFACE_MODE_100BASEX: + mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX; =20 - switch (interface) { - case PHY_INTERFACE_MODE_1000BASEX: - mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X; + break; + case PHY_INTERFACE_MODE_SGMII: + mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII; =20 - break; - case PHY_INTERFACE_MODE_100BASEX: - mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX; - - break; - case PHY_INTERFACE_MODE_SGMII: - mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII; + break; + default: + dev_err(dev, "Incompatible SFP module inserted\n"); =20 - break; - default: - dev_err(dev, "Incompatible SFP module inserted\n"); - - return -EINVAL; + return -EINVAL; + } + } else { + mode =3D MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII; } =20 oldpage =3D phy_select_page(phydev, MII_MARVELL_MODE_PAGE); @@ -3650,47 +3648,20 @@ static int m88e1510_sfp_insert(void *upstream, cons= t struct sfp_eeprom_id *id) return phy_restore_page(phydev, oldpage, ret); } =20 -static void m88e1510_sfp_remove(void *upstream) -{ - struct phy_device *phydev =3D upstream; - int oldpage; - int ret =3D 0; - - oldpage =3D phy_select_page(phydev, MII_MARVELL_MODE_PAGE); - if (oldpage < 0) - goto error; - - ret =3D __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, - MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, - MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII); - if (ret < 0) - goto error; - - ret =3D __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1, - MII_88E1510_GEN_CTRL_REG_1_RESET); - -error: - phy_restore_page(phydev, oldpage, ret); -} - -static const struct sfp_upstream_ops m88e1510_sfp_ops =3D { - .module_insert =3D m88e1510_sfp_insert, - .module_remove =3D m88e1510_sfp_remove, - .attach =3D phy_sfp_attach, - .detach =3D phy_sfp_detach, - .connect_phy =3D phy_sfp_connect_phy, - .disconnect_phy =3D phy_sfp_disconnect_phy, +static const struct phy_port_ops m88e1510_serdes_port_ops =3D { + .configure_mii =3D m88e1510_port_configure_serdes, }; =20 -static int m88e1510_probe(struct phy_device *phydev) +static int m88e1510_attach_mii_port(struct phy_device *phy_device, + struct phy_port *port) { - int err; + port->ops =3D &m88e1510_serdes_port_ops; =20 - err =3D marvell_probe(phydev); - if (err) - return err; + __set_bit(PHY_INTERFACE_MODE_SGMII, port->interfaces); + __set_bit(PHY_INTERFACE_MODE_1000BASEX, port->interfaces); + __set_bit(PHY_INTERFACE_MODE_100BASEX, port->interfaces); =20 - return phy_sfp_probe(phydev, &m88e1510_sfp_ops); + return 0; } =20 static struct phy_driver marvell_drivers[] =3D { @@ -3950,7 +3921,7 @@ static struct phy_driver marvell_drivers[] =3D { .driver_data =3D DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops), .features =3D PHY_GBIT_FIBRE_FEATURES, .flags =3D PHY_POLL_CABLE_TEST, - .probe =3D m88e1510_probe, + .probe =3D marvell_probe, .config_init =3D m88e1510_config_init, .config_aneg =3D m88e1510_config_aneg, .read_status =3D marvell_read_status, @@ -3976,6 +3947,7 @@ static struct phy_driver marvell_drivers[] =3D { .led_hw_is_supported =3D m88e1318_led_hw_is_supported, .led_hw_control_set =3D m88e1318_led_hw_control_set, .led_hw_control_get =3D m88e1318_led_hw_control_get, + .attach_mii_port =3D m88e1510_attach_mii_port, }, { .phy_id =3D MARVELL_PHY_ID_88E1540, --=20 2.49.0