From patchwork Wed Mar 12 20:30:10 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerhard Engleder X-Patchwork-Id: 14013828 X-Patchwork-Delegate: kuba@kernel.org Received: from mx18lb.world4you.com (mx18lb.world4you.com [81.19.149.128]) (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 7BC815CB8 for ; Wed, 12 Mar 2025 20:30:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=81.19.149.128 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741811426; cv=none; b=Bq6ZWU3C1KKYGV6F/esMtph3JzgefN+xZZi735mf03NbyG2VuH2KXokePR0JcFuEthNcuMUgP80iH4skJMIb7ooB35KkdWTOyRY8zRLwxuzugBKh5AvVSsttVKENFG8T4lZLcj8GVLT9b+ruNV31gOVVixMfOGGsGcdWi47g8jI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741811426; c=relaxed/simple; bh=4ogX7RFdvu4TTo9qCrdhqjjFbPbdP6vivM0+8oH7yUk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=X46pt6rmtf1xACG+yCDr1KHZVFnYrtwwERD1qon3qEMf/QMjs+4RmD+nxScfWz90i1gmfp38rwHG+pGm1I9UVZk7t5kQAZGg2FaUJ7bPCDDqvPKtl5K44jSNALLfytkSiFSlPcPxGufrqJCO1Uj2gDEPZv6PHktoE+hj4AB5n3E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=engleder-embedded.com; spf=pass smtp.mailfrom=engleder-embedded.com; dkim=pass (1024-bit key) header.d=engleder-embedded.com header.i=@engleder-embedded.com header.b=TVtfaYQ4; arc=none smtp.client-ip=81.19.149.128 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=engleder-embedded.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=engleder-embedded.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=engleder-embedded.com header.i=@engleder-embedded.com header.b="TVtfaYQ4" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=engleder-embedded.com; s=dkim11; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type: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=O07meAWtc4kVfQwq8D1jUyN4qCDpemrqEsL48GLM6FI=; b=TVtfaYQ4zxqtPDzzLHgKVO22Pl G4Id6A/PyTXuznNYTvvkFSFq88CNgQmp+Y5Jw6rifGTYvTE9czWbr6kPxwSHsFhi6Ay0h9Rz43Td4 O/q3GtcOcRAEesMgfVJoUCwYb2d/t2arj3YOU7NqDV/HRHPlDH7Cqepna+MXqALCmZYo=; Received: from 80-121-79-4.adsl.highway.telekom.at ([80.121.79.4] helo=hornet.engleder.at) by mx18lb.world4you.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1tsSia-000000006Ue-0yz0; Wed, 12 Mar 2025 21:30:20 +0100 From: Gerhard Engleder To: andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: netdev@vger.kernel.org, Gerhard Engleder Subject: [PATCH net-next v10 5/5] tsnep: Select speed for loopback Date: Wed, 12 Mar 2025 21:30:10 +0100 Message-Id: <20250312203010.47429-6-gerhard@engleder-embedded.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250312203010.47429-1-gerhard@engleder-embedded.com> References: <20250312203010.47429-1-gerhard@engleder-embedded.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-AV-Do-Run: Yes X-ACL-Warn: X-W4Y-Internal X-Patchwork-Delegate: kuba@kernel.org Use 100 Mbps only if the PHY is configured to this speed. Otherwise use always the maximum speed of 1000 Mbps. Also remove explicit setting of carrier on and link mode after loopback. This is not needed anymore, because phy_loopback() with selected speed signals the link and the speed to the MAC. Signed-off-by: Gerhard Engleder Reviewed-by: Andrew Lunn --- drivers/net/ethernet/engleder/tsnep_main.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c index 48b279fb73ac..61a23413b577 100644 --- a/drivers/net/ethernet/engleder/tsnep_main.c +++ b/drivers/net/ethernet/engleder/tsnep_main.c @@ -228,20 +228,19 @@ static void tsnep_phy_link_status_change(struct net_device *netdev) static int tsnep_phy_loopback(struct tsnep_adapter *adapter, bool enable) { - int retval; - - retval = phy_loopback(adapter->phydev, enable, 0); + int speed; - /* PHY link state change is not signaled if loopback is enabled, it - * would delay a working loopback anyway, let's ensure that loopback - * is working immediately by setting link mode directly - */ - if (!retval && enable) { - netif_carrier_on(adapter->netdev); - tsnep_set_link_mode(adapter); + if (enable) { + if (adapter->phydev->autoneg == AUTONEG_DISABLE && + adapter->phydev->speed == SPEED_100) + speed = SPEED_100; + else + speed = SPEED_1000; + } else { + speed = 0; } - return retval; + return phy_loopback(adapter->phydev, enable, speed); } static int tsnep_phy_open(struct tsnep_adapter *adapter)