From nobody Fri Sep 12 16:25:59 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11E9DC636CC for ; Wed, 8 Feb 2023 11:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230362AbjBHLoo (ORCPT ); Wed, 8 Feb 2023 06:44:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229923AbjBHLom (ORCPT ); Wed, 8 Feb 2023 06:44:42 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B6124615B; Wed, 8 Feb 2023 03:44:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1675856680; x=1707392680; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Z1IbDELn3EAaZaLU4TNEjPVAR6fEvO0fS+Iyr7LDl2c=; b=SFt5HzB+FmU7qZ+BgYVxYliJzgtwKzOqJ70LO7pyEQDHph9A2qcZ0S19 eg2vgE2U5A++nuXjVZDcCP8vSiMxjig2ez9XF0D3iDCcw5jNlZ5LAi7Ct gA14KU3gNSwtZ1M+Ps+/dQiQMlA+0eb3aXSJT32qy8mUKzvI+NWXJXxKg dRG5qtkpDnZj5Ef/V8m/1CZ8GwqVvLiyiNIUNrwJACQs/daNN0jpQ7OVf dUYEpXqy4zmEMCAEgOYVBziB+Xdil86p/6ztWlkevIU9heNoUZAw1gSlU b6tOi3day0/nceBEGKHkqVv7pxY/EFLMNyUJ0JQSj/C6RCGvHcQrVnQdn w==; X-IronPort-AV: E=Sophos;i="5.97,280,1669100400"; d="scan'208";a="211079237" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 08 Feb 2023 04:44:39 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Wed, 8 Feb 2023 04:44:38 -0700 Received: from soft-dev3-1.microsemi.net (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Wed, 8 Feb 2023 04:44:36 -0700 From: Horatiu Vultur To: , CC: , , , , , , , Horatiu Vultur Subject: [PATCH net-next] net: micrel: Cable Diagnostics feature for lan8841 PHY Date: Wed, 8 Feb 2023 12:44:06 +0100 Message-ID: <20230208114406.1666671-1-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.38.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for cable diagnostics in lan8841 PHY. It has the same registers layout as lan8814 PHY, therefore reuse the functionality. Signed-off-by: Horatiu Vultur Reviewed-by: Andrew Lunn --- drivers/net/phy/micrel.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 01677c28e4079..727de4f4a14db 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -378,6 +378,8 @@ static const struct kszphy_type lan8841_type =3D { .disable_dll_tx_bit =3D BIT(14), .disable_dll_rx_bit =3D BIT(14), .disable_dll_mask =3D BIT_MASK(14), + .cable_diag_reg =3D LAN8814_CABLE_DIAG, + .pair_mask =3D LAN8814_WIRE_PAIR_MASK, }; =20 static int kszphy_extended_write(struct phy_device *phydev, @@ -3520,6 +3522,7 @@ static struct phy_driver ksphy_driver[] =3D { .phy_id =3D PHY_ID_LAN8841, .phy_id_mask =3D MICREL_PHY_ID_MASK, .name =3D "Microchip LAN8841 Gigabit PHY", + .flags =3D PHY_POLL_CABLE_TEST, .driver_data =3D &lan8841_type, .config_init =3D lan8841_config_init, .probe =3D lan8841_probe, @@ -3531,6 +3534,8 @@ static struct phy_driver ksphy_driver[] =3D { .get_stats =3D kszphy_get_stats, .suspend =3D genphy_suspend, .resume =3D genphy_resume, + .cable_test_start =3D lan8814_cable_test_start, + .cable_test_get_status =3D ksz886x_cable_test_get_status, }, { .phy_id =3D PHY_ID_KSZ9131, .phy_id_mask =3D MICREL_PHY_ID_MASK, --=20 2.38.0