From nobody Sun Sep 14 16:49:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00362C25B50 for ; Fri, 20 Jan 2023 09:21:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230231AbjATJVi (ORCPT ); Fri, 20 Jan 2023 04:21:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230252AbjATJV1 (ORCPT ); Fri, 20 Jan 2023 04:21:27 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 049419B12D for ; Fri, 20 Jan 2023 01:21:10 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pIna3-0002yK-Da; Fri, 20 Jan 2023 10:21:03 +0100 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pIna1-007L90-RT; Fri, 20 Jan 2023 10:21:01 +0100 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pIna1-001SU9-0H; Fri, 20 Jan 2023 10:21:01 +0100 From: Oleksij Rempel To: Woojung Huh , UNGLinuxDriver@microchip.com, Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Arun.Ramadoss@microchip.com Subject: [PATCH net-next v2 4/4] net: dsa: microchip: enable EEE support Date: Fri, 20 Jan 2023 10:20:59 +0100 Message-Id: <20230120092059.347734-5-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230120092059.347734-1-o.rempel@pengutronix.de> References: <20230120092059.347734-1-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Some of KSZ9477 family switches provides EEE support. To enable it, we just need to register set_mac_eee/set_mac_eee handlers and validate supported chip version and port. Signed-off-by: Oleksij Rempel --- drivers/net/dsa/microchip/ksz_common.c | 35 ++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/micro= chip/ksz_common.c index 5e1e5bd555d2..2f1f71b3be86 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -2645,6 +2645,39 @@ static int ksz_max_mtu(struct dsa_switch *ds, int po= rt) return -EOPNOTSUPP; } =20 +static int ksz_validate_eee(struct dsa_switch *ds, int port) +{ + struct ksz_device *dev =3D ds->priv; + + if (!dev->info->internal_phy[port]) + return -EOPNOTSUPP; + + switch (dev->chip_id) { + case KSZ8563_CHIP_ID: + case KSZ9477_CHIP_ID: + case KSZ9563_CHIP_ID: + case KSZ9567_CHIP_ID: + case KSZ9893_CHIP_ID: + case KSZ9896_CHIP_ID: + case KSZ9897_CHIP_ID: + return 0; + } + + return -EOPNOTSUPP; +} + +static int ksz_get_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + +static int ksz_set_mac_eee(struct dsa_switch *ds, int port, + struct ethtool_eee *e) +{ + return ksz_validate_eee(ds, port); +} + static void ksz_set_xmii(struct ksz_device *dev, int port, phy_interface_t interface) { @@ -3006,6 +3039,8 @@ static const struct dsa_switch_ops ksz_switch_ops =3D= { .port_hwtstamp_set =3D ksz_hwtstamp_set, .port_txtstamp =3D ksz_port_txtstamp, .port_rxtstamp =3D ksz_port_rxtstamp, + .get_mac_eee =3D ksz_get_mac_eee, + .set_mac_eee =3D ksz_set_mac_eee, }; =20 struct ksz_device *ksz_switch_alloc(struct device *base, void *priv) --=20 2.30.2