From patchwork Fri Feb 7 13:09:32 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13964964 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1880C02194 for ; Fri, 7 Feb 2025 13:12:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:Content-Type :Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=D+5GmaJXZT5l+1wfRT+lAuNHUWIAAutwCYXRr+Clwac=; b=hTUu3eXxirneT7u9DRpGIbqCqN ObEkLfdWwFLuaDMdUqlX68XDrlvfGpqiVkvD8OhzEoizTL5fd6RJPn1sANeS8gDSTPt5fOeBUbo8H ZyMUttj3JJWQDvJnCaFMB7DT2I5WfhfCIWcnH5Xdj9yTdcD6XU0gY21XP5Olfrn6NeKa+RJxQD2DC kaR4i5GBDvKtEG1DdAr8liaoVwBFLTbfcnmSXwj0T36sSfLBnKLfjOTmQUxhBTuFcB75jeVdKHCbb xC0Z7RQ8bUnNFuJQENb7lcEFgxLX9tZzgev7xw1CpkYS5MiqgYEZXT8ZvWQ8+KPcLiM2i+pU43jRS 5Ih0pD0g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgO9I-00000009bxv-429T; Fri, 07 Feb 2025 13:12:00 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tgO7N-00000009bi0-1ATo; Fri, 07 Feb 2025 13:10:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=D+5GmaJXZT5l+1wfRT+lAuNHUWIAAutwCYXRr+Clwac=; b=NQ7srPzUs+tMrZ/y6itehAOO+y V8CdwzSQvoIzk8NrTiWl5ln7ifBiMA0YB+icBAW66vdNowFAxBTWrlI3gbA+/pRp/NfE7uZLRTjuC qG7eciLtSdNWNmqdtyuikr1u6zUdHDlwB7qaV3FJbDXt1FLq2jtJARIlsMiFuMza8JL0PPo+tS3rH dGcsxxTokP/Qk1FFnAiiD0NbUGX+iNqqGYmf1YD0Ks9Zcz04uJ9q025vxXy82VLedNN15VtG34dPn GgPzh+XKCKZMf/Tq7bVxKNsFxhXH+nECBlg3Q//cxEVzOmjH3fqK/55uMycxtDy0l/Nri65XT6mJ7 wBPb31KQ==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:38292 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tgO7E-0005he-1a; Fri, 07 Feb 2025 13:09:52 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tgO6u-003il9-UQ; Fri, 07 Feb 2025 13:09:32 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: AngeloGioacchino Del Regno , "Chester A. Unal" , Daniel Golle , "David S. Miller" , DENG Qingfang , Eric Dumazet , Jakub Kicinski , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni , Sean Wang , Simon Horman , Vladimir Oltean Subject: [PATCH net-next v2 1/3] net: phylink: provide phylink_mac_implements_lpi() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Fri, 07 Feb 2025 13:09:32 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250207_051001_315317_8A49C413 X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Provide a helper to determine whether the MAC operations structure implements the LPI operations, which will be used by both phylink and DSA. Signed-off-by: Russell King (Oracle) --- drivers/net/phy/phylink.c | 3 +-- include/linux/phylink.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 214b62fba991..6fbb5fd5b400 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1957,8 +1957,7 @@ struct phylink *phylink_create(struct phylink_config *config, return ERR_PTR(-EINVAL); } - pl->mac_supports_eee_ops = mac_ops->mac_disable_tx_lpi && - mac_ops->mac_enable_tx_lpi; + pl->mac_supports_eee_ops = phylink_mac_implements_lpi(mac_ops); pl->mac_supports_eee = pl->mac_supports_eee_ops && pl->config->lpi_capabilities && !phy_interface_empty(pl->config->lpi_interfaces); diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 898b00451bbf..0de78673172d 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -737,6 +737,18 @@ static inline int phylink_get_link_timer_ns(phy_interface_t interface) } } +/** + * phylink_mac_implements_lpi() - determine if MAC implements LPI ops + * @ops: phylink_mac_ops structure + * + * Returns true if the phylink MAC operations structure indicates that the + * LPI operations have been implemented, false otherwise. + */ +static inline bool phylink_mac_implements_lpi(const struct phylink_mac_ops *ops) +{ + return ops && ops->mac_disable_tx_lpi && ops->mac_enable_tx_lpi; +} + void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state, unsigned int neg_mode, u16 bmsr, u16 lpa); void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs, From patchwork Fri Feb 7 13:09:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13964965 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 63B2CC02194 for ; Fri, 7 Feb 2025 13:13:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:Content-Type :Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=an4Bf9RgJBmZ5nR+GtJJGxEy/QAJGcPX467lHgjHOaQ=; b=ymo9rwF1KjwRln9+e/N47PvnGn 4olXD8wREDAf/wM4SeYYKfbw7mgXM8+JQqDq77lXHOHhBNBiMWswDyLh9W6zUMPH9SRke9ICpqsjH /iNEb78ZC/P2guL7ptHOSqUEHcxgT2i4nsvltcsY1ZhP+padcJAHpeT2QzvQycWckf9p4L8iLgFs0 gxvF5uhNM5mv2CYdw6bQ5XLXJ563pNqelfpK3OScXCaOssaygd+vEKG1o8HkvVCD4U+ixrOVxg9kx n2R9+X6K/qZMnwfdhvjUOL02zzEpWlpQwQQMfPObL3ihGcLC79mnxCNUwbPO9Av6SOZCSe31nOEFB SHJYKK0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgOAe-00000009cCK-1UH1; Fri, 07 Feb 2025 13:13:24 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tgO7S-00000009bkE-3nzP; Fri, 07 Feb 2025 13:10:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=an4Bf9RgJBmZ5nR+GtJJGxEy/QAJGcPX467lHgjHOaQ=; b=K7s2KxwviVD+MgpsgfOZW3AOOe r85Y02EYl4KogHc3dBBQZgOn6dYBEx2AoVTfrD7digxqxG4N0vbItIF8+EYmgIHiy0BGWG2JydAIf OogWu1TZjba+b7B04l9PgKxP0b19ghcoD3RVakjKQyd4qnD9u9MfJ17x1337+bkwod5BKa8/ih860 x3+gPN21qogO/04m8jZyU+/OE96pSnc7Cd3dMYC32CjSZKZLgMDBzHB5AOst7/RMKh5D4ZCFZgLrW 5aaMIkhg7W1EPIsQYHrx7BA6RfKejaBO916FMS31BCJLSkYJP39XyZjA5WLenYE9sxfjQQqx94Vxf dZq3+01Q==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:38300 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tgO7J-0005hp-2G; Fri, 07 Feb 2025 13:09:57 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tgO70-003ilF-1x; Fri, 07 Feb 2025 13:09:38 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: AngeloGioacchino Del Regno , "Chester A. Unal" , Daniel Golle , "David S. Miller" , DENG Qingfang , Eric Dumazet , Jakub Kicinski , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni , Sean Wang , Simon Horman , Vladimir Oltean Subject: [PATCH net-next v2 2/3] net: dsa: allow use of phylink managed EEE support MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Fri, 07 Feb 2025 13:09:38 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250207_051006_944223_A237346E X-CRM114-Status: GOOD ( 13.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In order to allow DSA drivers to use phylink managed EEE, changes are necessary to the DSA .set_eee() and .get_eee() methods. Where drivers make use of phylink managed EEE, these should just pass the method on to their phylink implementation without calling the DSA specific operations. Signed-off-by: Russell King (Oracle) --- net/dsa/user.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/net/dsa/user.c b/net/dsa/user.c index 291ab1b4acc4..2e0a51c1b750 100644 --- a/net/dsa/user.c +++ b/net/dsa/user.c @@ -1243,16 +1243,21 @@ static int dsa_user_set_eee(struct net_device *dev, struct ethtool_keee *e) if (!ds->ops->support_eee || !ds->ops->support_eee(ds, dp->index)) return -EOPNOTSUPP; - /* Port's PHY and MAC both need to be EEE capable */ - if (!dev->phydev) - return -ENODEV; + /* If the port is using phylink managed EEE, then get_mac_eee is + * unnecessary. + */ + if (!phylink_mac_implements_lpi(ds->phylink_mac_ops)) { + /* Port's PHY and MAC both need to be EEE capable */ + if (!dev->phydev) + return -ENODEV; - if (!ds->ops->set_mac_eee) - return -EOPNOTSUPP; + if (!ds->ops->set_mac_eee) + return -EOPNOTSUPP; - ret = ds->ops->set_mac_eee(ds, dp->index, e); - if (ret) - return ret; + ret = ds->ops->set_mac_eee(ds, dp->index, e); + if (ret) + return ret; + } return phylink_ethtool_set_eee(dp->pl, e); } From patchwork Fri Feb 7 13:09:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13964967 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 096C0C02194 for ; Fri, 7 Feb 2025 13:14:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:Content-Type :Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=rPlsVId33txdBBranLBlQ1L7Lpylf6kTxcaJ3s9zHV8=; b=sYhAPIguswt/3hWtCB8NFlMskg ujRwlwD6hL5fkvbm71w4sT0mG9uMlrfjPv5N0XgRq/3QdnDERrJjPn/metRQtFh15zBtVMSI7Z8Rc CO1toc//Rd7rngQO/AO9hlpiIJVvpBoznvIzE13umtFr9SV1KJjGyc49kA6VDfRCba8XcoVfFMGpx A/MBPtdyM5M24awtdQMKYVWjAK3fJSotUHKjbL77EjSXzdBORweO89K/+6mnIZwMfRJ6pNkOTJZPu hi/bUP9B3voEcdIjzCgvA5fbyNGVzky0tsHS6GvNIpgqVOQ6AIX7INqqaZ6hGcogYnXbSOzhxjAH7 F8OHjzzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgOC0-00000009cNs-1Cmw; Fri, 07 Feb 2025 13:14:48 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tgO7W-00000009bkj-39tv; Fri, 07 Feb 2025 13:10:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=rPlsVId33txdBBranLBlQ1L7Lpylf6kTxcaJ3s9zHV8=; b=s0SIzxM70be6SAqLGuJXeih+Tp 19KfL9tugVDmsXOCiNA9pyGA66ziK+piIdSmtneKyo2RBtQC+F+qvKOQKqkM6r71REHtaX7iJo6qB VYvDsWHfRX3mF8Pd0uUACPhm1SNimt7oYgOkx3Ynf8JI5ftSq69sdzOGia05DPm7K3CzJOq8b+4WE xs8ZK1pIABQX7Nh6XupXwsHZm1ZyiMxNdh6HC6tAOjX8BEbauC3WoMEmB92kCs122bnF1Mg7N6mdO YpsKqFNnR0MEk3t3vOJEeuFhbsE8EhyW+1bA1KbqBsBQns/2lA82fDnwByMlfheTik2lIn5Pf5erB qWnyJPLg==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:37010 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tgO7P-0005i4-2e; Fri, 07 Feb 2025 13:10:03 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1tgO75-003ilL-5y; Fri, 07 Feb 2025 13:09:43 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: AngeloGioacchino Del Regno , "Chester A. Unal" , Daniel Golle , "David S. Miller" , DENG Qingfang , Eric Dumazet , Jakub Kicinski , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger , netdev@vger.kernel.org, Paolo Abeni , Sean Wang , Simon Horman , Vladimir Oltean Subject: [PATCH net-next v2 3/3] net: dsa: mt7530: convert to phylink managed EEE MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Fri, 07 Feb 2025 13:09:43 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250207_051010_790131_74E18D7C X-CRM114-Status: GOOD ( 15.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert mt7530 to use phylink managed EEE. When enabling EEE, we set both PMCR_FORCE_EEE1G and PMCR_FORCE_EEE100 irrespective of the speed, and clear them both when disabling. Signed-off-by: Russell King (Oracle) --- drivers/net/dsa/mt7530.c | 68 +++++++++++++++++++++++++++------------- 1 file changed, 47 insertions(+), 21 deletions(-) diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 1c83af805209..9fd44e55d519 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -2957,28 +2957,61 @@ static void mt753x_phylink_mac_link_up(struct phylink_config *config, mcr |= PMCR_FORCE_RX_FC_EN; } - if (mode == MLO_AN_PHY && phydev && phy_init_eee(phydev, false) >= 0) { - switch (speed) { - case SPEED_1000: - case SPEED_2500: - mcr |= PMCR_FORCE_EEE1G; - break; - case SPEED_100: - mcr |= PMCR_FORCE_EEE100; - break; - } - } - mt7530_set(priv, MT753X_PMCR_P(dp->index), mcr); } +static void mt753x_phylink_mac_disable_tx_lpi(struct phylink_config *config) +{ + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mt7530_priv *priv = dp->ds->priv; + + mt7530_clear(priv, MT753X_PMCR_P(dp->index), + PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100); +} + +static int mt753x_phylink_mac_enable_tx_lpi(struct phylink_config *config, + u32 timer, bool tx_clock_stop) +{ + struct dsa_port *dp = dsa_phylink_to_port(config); + struct mt7530_priv *priv = dp->ds->priv; + u32 val; + + /* If the timer is zero, then set LPI_MODE_EN, which allows the + * system to enter LPI mode immediately rather than waiting for + * the LPI threshold. + */ + if (!timer) + val = LPI_MODE_EN; + else if (FIELD_FIT(LPI_THRESH_MASK, timer)) + val = FIELD_PREP(LPI_THRESH_MASK, timer); + else + val = LPI_THRESH_MASK; + + mt7530_rmw(priv, MT753X_PMEEECR_P(dp->index), + LPI_THRESH_MASK | LPI_MODE_EN, val); + + mt7530_set(priv, MT753X_PMCR_P(dp->index), + PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100); + + return 0; +} + static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port, struct phylink_config *config) { struct mt7530_priv *priv = ds->priv; + u32 eeecr; config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE; + config->lpi_capabilities = MAC_100FD | MAC_1000FD | MAC_2500FD; + + eeecr = mt7530_read(priv, MT753X_PMEEECR_P(port)); + /* tx_lpi_timer should be in microseconds. The time units for + * LPI threshold are unspecified. + */ + config->lpi_timer_default = FIELD_GET(LPI_THRESH_MASK, eeecr); + priv->info->mac_port_get_caps(ds, port, config); } @@ -3088,18 +3121,9 @@ mt753x_setup(struct dsa_switch *ds) static int mt753x_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e) { - struct mt7530_priv *priv = ds->priv; - u32 set, mask = LPI_THRESH_MASK | LPI_MODE_EN; - if (e->tx_lpi_timer > 0xFFF) return -EINVAL; - set = LPI_THRESH_SET(e->tx_lpi_timer); - if (!e->tx_lpi_enabled) - /* Force LPI Mode without a delay */ - set |= LPI_MODE_EN; - mt7530_rmw(priv, MT753X_PMEEECR_P(port), mask, set); - return 0; } @@ -3238,6 +3262,8 @@ static const struct phylink_mac_ops mt753x_phylink_mac_ops = { .mac_config = mt753x_phylink_mac_config, .mac_link_down = mt753x_phylink_mac_link_down, .mac_link_up = mt753x_phylink_mac_link_up, + .mac_disable_tx_lpi = mt753x_phylink_mac_disable_tx_lpi, + .mac_enable_tx_lpi = mt753x_phylink_mac_enable_tx_lpi, }; const struct mt753x_info mt753x_table[] = {