From patchwork Sat May 9 22:37:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 1286893 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=walle.cc Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=walle.cc header.i=@walle.cc header.a=rsa-sha256 header.s=mail2016061301 header.b=ogqzU8Tc; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49KMXr4fxCz9sSF for ; Sun, 10 May 2020 08:38:04 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728764AbgEIWhj (ORCPT ); Sat, 9 May 2020 18:37:39 -0400 Received: from ssl.serverraum.org ([176.9.125.105]:39705 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726472AbgEIWh1 (ORCPT ); Sat, 9 May 2020 18:37:27 -0400 Received: from apollo.fritz.box (unknown [IPv6:2a02:810c:c200:2e91:6257:18ff:fec4:ca34]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 9F06723E3E; Sun, 10 May 2020 00:37:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1589063845; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FEfXsSfJQkynE4NhXhtkDkgMaGwmoY5MqTSLZLKHVJ8=; b=ogqzU8TcNWJHggWNzNEEeVbJk5a9nCcj8Vs4+nxL0Ujchov2j+7SiLK92E8zLeyDpgxgCF IBfaeMlGHoJmfMOHGsC/8b9MPt60debR+/jeNh3gDiO6XUsrxJw6wZqNKGJLee/KL13tUS a3ubWhnbyDwsqjKTlA2FFiYbe0u/FQs= From: Michael Walle To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andrew Lunn , Florian Fainelli , Heiner Kallweit , Russell King , "David S . Miller" , Michael Walle Subject: [PATCH net-next 4/4] net: phy: bcm54140: add cable diagnostics support Date: Sun, 10 May 2020 00:37:14 +0200 Message-Id: <20200509223714.30855-5-michael@walle.cc> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200509223714.30855-1-michael@walle.cc> References: <20200509223714.30855-1-michael@walle.cc> MIME-Version: 1.0 X-Spam: Yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use the generic cable tester functions from bcm-phy-lib to add cable tester support. 100m cable, A/B/C/D open: Cable test started for device eth0. Cable test completed for device eth0. Pair: Pair A, result: Open Circuit Pair: Pair B, result: Open Circuit Pair: Pair C, result: Open Circuit Pair: Pair D, result: Open Circuit Pair: Pair A, fault length: 106.60m Pair: Pair B, fault length: 103.32m Pair: Pair C, fault length: 104.96m Pair: Pair D, fault length: 106.60m 1m cable, A/B connected, pair C shorted, D open: Cable test started for device eth0. Cable test completed for device eth0. Pair: Pair A, result: OK Pair: Pair B, result: OK Pair: Pair C, result: Short within Pair Pair: Pair D, result: Open Circuit Pair: Pair C, fault length: 0.82m Pair: Pair D, fault length: 1.64m 1m cable, A/B connected, pair C shorted with D: Cable test started for device eth0. Cable test completed for device eth0. Pair: Pair A, result: OK Pair: Pair B, result: OK Pair: Pair C, result: Short to another pair Pair: Pair D, result: Short to another pair Pair: Pair C, fault length: 1.64m Pair: Pair D, fault length: 1.64m The granularity of the length measurement seems to be 82cm. Signed-off-by: Michael Walle Reported-by: kbuild test robot Reviewed-by: Florian Fainelli Reported-by: kbuild test robot Reviewed-by: Andrew Lunn --- drivers/net/phy/bcm54140.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/phy/bcm54140.c b/drivers/net/phy/bcm54140.c index 9ef37a3bc2bb..8998e68bb26b 100644 --- a/drivers/net/phy/bcm54140.c +++ b/drivers/net/phy/bcm54140.c @@ -831,6 +831,7 @@ static struct phy_driver bcm54140_drivers[] = { .phy_id = PHY_ID_BCM54140, .phy_id_mask = BCM54140_PHY_ID_MASK, .name = "Broadcom BCM54140", + .flags = PHY_POLL_CABLE_TEST, .features = PHY_GBIT_FEATURES, .config_init = bcm54140_config_init, .did_interrupt = bcm54140_did_interrupt, @@ -842,6 +843,8 @@ static struct phy_driver bcm54140_drivers[] = { .soft_reset = genphy_soft_reset, .get_tunable = bcm54140_get_tunable, .set_tunable = bcm54140_set_tunable, + .cable_test_start = bcm_phy_cable_test_start_rdb, + .cable_test_get_status = bcm_phy_cable_test_get_status_rdb, }, }; module_phy_driver(bcm54140_drivers);