From patchwork Wed Jan 15 14:43:35 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13940510 X-Patchwork-Delegate: kuba@kernel.org Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) (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 6712B78C6C; Wed, 15 Jan 2025 14:43:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.142.180.65 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736952223; cv=none; b=u3OREcGYfWv6QzJL0Qz8CslfxWDa7t2geUCS3yTvf0TKrduxDxR7rkJfko6epdOerOvKFr+a5zWwBD8HtwLIp3msd5xhNwQfVM4vc91Qs9Sko3DK67/QOkFFKouz7cii4CvTerXWCffQ4SM3P3CypWZAwZNT7x51vBIZvBU4Dmk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736952223; c=relaxed/simple; bh=wwxdpcLQVMX/FeBDgj0mXlU4TChQb6kQBWzp9h7YvTM=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SdS5I7lB1ngGOzoLvrFGwJdXCwUEkRB3toVw+Shheq/h28EntHrDSirr6dE46t1vdOkxYcjwCWd5F36GWFC0w8ULLsmE7TI06CEkFqZv6JAgWIlbwC14UlVdMoBECf73txRdHpPSACNSEKNDT1cXn+EWmq/xfix4zPVzvMsfGRM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org; spf=pass smtp.mailfrom=makrotopia.org; arc=none smtp.client-ip=185.142.180.65 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=makrotopia.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=makrotopia.org Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.98) (envelope-from ) id 1tY4cM-00000000226-005g; Wed, 15 Jan 2025 14:43:38 +0000 Date: Wed, 15 Jan 2025 14:43:35 +0000 From: Daniel Golle To: Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Daniel Golle , "Russell King (Oracle)" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net 1/3] net: phy: realtek: clear 1000Base-T lpa if link is down Message-ID: <67e38eee4c46b921938fb33f5bc86c8979b9aa33.1736951652.git.daniel@makrotopia.org> References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Patchwork-Delegate: kuba@kernel.org Only read 1000Base-T link partner advertisement if autonegotiation has completed and otherwise 1000Base-T link partner advertisement bits. This fixes bogus 1000Base-T link partner advertisement after link goes down (eg. by disconnecting the wire). Fixes: 5cb409b3960e ("net: phy: realtek: clear 1000Base-T link partner advertisement") Signed-off-by: Daniel Golle --- drivers/net/phy/realtek.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index f65d7f1f348e..26b324ab0f90 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -1023,23 +1023,20 @@ static int rtl822x_c45_read_status(struct phy_device *phydev) { int ret, val; - ret = genphy_c45_read_status(phydev); - if (ret < 0) - return ret; - - if (phydev->autoneg == AUTONEG_DISABLE || - !genphy_c45_aneg_done(phydev)) - mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0); - /* Vendor register as C45 has no standardized support for 1000BaseT */ - if (phydev->autoneg == AUTONEG_ENABLE) { + if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) { val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL822X_VND2_GANLPAR); if (val < 0) return val; - - mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val); + } else { + val = 0; } + mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val); + + ret = genphy_c45_read_status(phydev); + if (ret < 0) + return ret; if (!phydev->link) return 0;