From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6C869262FEC; Tue, 11 Nov 2025 01:33:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824802; cv=none; b=DPQOvL57nQKKtGuK4pNXRy9zTVg3WRVPGorclxcemWCuu11LqA4DJN5xDB2p0BHaXjAqiZQZ7soizwd64ATgsP0/sR0d1OIx4RK8KAWjHhVn2hKNbmCSM2SCOYEAOE76uxRcZKhQ+M7smHMOagyajvrmpZwcVjs9PaVWCdNQZhA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762824802; c=relaxed/simple; bh=zCvNQPROKUt2MAtghrQK9QKb7by1FShYDvI46P5wvyw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=StuwX1FnjzZmEMKNGZRFRgWSotgiYBGT6SIgJD6uHgN8VjhEOM5paQIq+4nanG60LQTXm9qfgjBnVDe+yVqmWlH6o39SFSQZs+otOx1kwcu6a/zJ+IQfyc2ZNrmbb0Dhd8RVZV1d/bios2PP75lhS1Tv4fOjzaHblNyl3bVesT4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kKMnIc9D; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="kKMnIc9D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09B03C4CEF5; Tue, 11 Nov 2025 01:33:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762824802; bh=zCvNQPROKUt2MAtghrQK9QKb7by1FShYDvI46P5wvyw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kKMnIc9DHgz/Jl0fUNAZctaan6CCG/aaQA2XVzgYVvItf071ox0Tw0jPCFycFyA1x UROuoCzmRC/JW54YeTBQQstU+K43ZOqE47LcFYcM+iMozFedVzTjIZD2YbfGs/ZI2E w0G+46NtxNagWAeIa/wLLtpfGX0jKkj+g0Qsbzi8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jonas Gorski , Florian Fainelli , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.12 520/565] net: dsa: b53: fix bcm63xx RGMII port link adjustment Date: Tue, 11 Nov 2025 09:46:16 +0900 Message-ID: <20251111004538.661332820@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111004526.816196597@linuxfoundation.org> References: <20251111004526.816196597@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jonas Gorski [ Upstream commit 3e4ebdc1606adf77744cf8ed7a433d279fdc57ba ] BCM63XX's switch does not support MDIO scanning of external phys, so its MACs needs to be manually configured for autonegotiated link speeds. So b53_force_port_config() and b53_force_link() accordingly also when mode is MLO_AN_PHY for those ports. Fixes lower speeds than 1000/full on rgmii ports 4 - 7. This aligns the behaviour with the old bcm63xx_enetsw driver for those ports. Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Link: https://patch.msgid.link/20251101132807.50419-3-jonas.gorski@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 318c5c2c8f74a..914dbb86e1b07 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1554,8 +1554,11 @@ static void b53_phylink_mac_link_down(struct phylink_config *config, struct b53_device *dev = dp->ds->priv; int port = dp->index; - if (mode == MLO_AN_PHY) + if (mode == MLO_AN_PHY) { + if (is63xx(dev) && in_range(port, B53_63XX_RGMII0, 4)) + b53_force_link(dev, port, false); return; + } if (mode == MLO_AN_FIXED) { b53_force_link(dev, port, false); @@ -1583,6 +1586,13 @@ static void b53_phylink_mac_link_up(struct phylink_config *config, if (mode == MLO_AN_PHY) { /* Re-negotiate EEE if it was enabled already */ p->eee_enabled = b53_eee_init(ds, port, phydev); + + if (is63xx(dev) && in_range(port, B53_63XX_RGMII0, 4)) { + b53_force_port_config(dev, port, speed, duplex, + tx_pause, rx_pause); + b53_force_link(dev, port, true); + } + return; } -- 2.51.0