From mboxrd@z Thu Jan 1 00:00:00 1970 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 E4260C433FE for ; Fri, 21 Oct 2022 06:05:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230089AbiJUGFp (ORCPT ); Fri, 21 Oct 2022 02:05:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230055AbiJUGFj (ORCPT ); Fri, 21 Oct 2022 02:05:39 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5B701A0444; Thu, 20 Oct 2022 23:05:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1666332300; bh=XcKCqy9WT0HZU+yGc89UpnlSmGCGlPa9TVxnjEkCmbs=; h=X-UI-Sender-Class:Date:From:To:CC:Subject:Reply-to:In-Reply-To: References; b=IIAptyNrk5ip/23Pap1EkWy7Djnd4uKJ5axDJ/QSVnP9t6esIaJBBSv9KdUoFOyWv LPNSlsUbBqGlo42TvWZMjNW62U1A2enJzMWvW0ZPIeYl5x2o/K+12ALHunP1UuDuDV lTBRtPEu7TU4R58bLR7AGwFESU0FHOfTxAcaJ4/I= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [127.0.0.1] ([217.61.146.132]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M9Fjb-1oiA7X2mIB-006O7z; Fri, 21 Oct 2022 08:05:00 +0200 Date: Fri, 21 Oct 2022 08:04:51 +0200 From: Frank Wunderlich To: "Russell King (Oracle)" , Frank Wunderlich CC: linux-mediatek@lists.infradead.org, Alexander Couzens , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops User-Agent: K-9 Mail for Android Reply-to: frank-w@public-files.de In-Reply-To: References: <20221020144431.126124-1-linux@fw-web.de> Message-ID: <02A54E45-2084-440A-A643-772C0CC9F988@public-files.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:T0xeOlwWh+mj7CEVR5iha6HOYXAeiLwNgtwZuW5tfseTPyJVnow GV12rB5Z7Gqzk4O4+QSM50R55FX0xEos8jDSOVx7p8bZMP7lN6VctuiyK9OHcZ+uEFsgQv4 JmPyLp3jiGosxAujzutswr5HylZYkhCoKZiWednBXfVzEw2fOqJUw2npQUORevq0ZHGKkr9 /CW12oH2hbgX05Otva25Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:jngH6wwMaIk=:Lbh6chv5Fo/u3adZRcy8WY UROP3LiJwPScWNqtO1rXkSwcYkO1jIvsrsDDgNw/nt5hAuHoHp80XTPdd8todANvmQbo9c5qQ uYi0iYeEkg436tCdoWQnU4IYLPHGVNW8dxQyyZPBm7339abBVmdTW0kcJWuXNp+fECebeiA69 gMyHGriGupxS/S/f8Ji+bzLr7GZilATTR4pifgEJYxa7zwq9838O54IL3x3xdTm7FIbSJ24g7 ad5IPsACPbocj3P0IN7xSjQNyVTGF3LTBWtcGhEvxZDdpyTHCrYsMhptt68l7XlphCrzNulmY eK/gudWKVspn51337DOPk33FixZg2Hp90zCepk6qMNoN7j4n1iB4yJlwwaduuO0UtGZqqtGDn yKZS2v3e/5a6YNXL7XsO/k30Efr+tULO7d74jbiRpkXPJid5YtnL1egFL/+Vmqi5ia6fGsUZa S7hfwfEYOyuJ+VhnT+VW7MLjoIMEdpAjIj8jNXIjhZLQ3nNFXSmVuZGbQ6Ht3E7hVkc9wFEUc hmIrQnSgV/ERuC2STMzykK8QSc7Nq4SftpVx1vaaoFgBM0f6rLOtA/g5UjdOt0jsCDdwaDKaG f9Rbs5ApnovfNJ2PpjlEOSfc5otcTGpPkUMze0D+xf85BL4S9K9SXStrwz5YTb9FVdfxG/mWq MioYe07Pdq/9zDsIuijDa7ixTqc3cN//7BmP3htkqGFu9/M2WW61E+4+m1Nxk5UC/SbkhrGUs b4GiMSux3EWzApRepcEh1lojYbghJA4HqoBFHnnxoMXYlMNfao8/hz34Zx97JhzHI8YSnj2GM 6wD/xeCSZ8NW74byHkgvxG24xQRUdDaArwh6rQWVJUAS6l9Dj0thzIrkARs4jYYWln+DjBknm LrwksjMJhx9rnBJ/NtMzpYOWo14Aqn28nEULVTzUZ+VekU3xFj6/s5amcZ3Il5CKQikG4Jp3Z e7QL98ygI5hA73hoY41KZhsYMgNbnySy8JcIT2lYeUnHykc51MSAWyqb7FvmOdxqacRqIOuSH f+QjZyqsE0of3/u0nOnNhsBfEyd6dPol8Bk1aENbg008hAMHzWsaJrRsABfB9NLNvtGEc1kuJ x/ObPH0UV26ZJy5HBWd4CGpW9Cuxz1VudUcSKxuiRmfEOyiZcJo/WDn46qByQd2g/X4dQKWe9 jlhtXzcbJAjjVRAz9OvVH7Jh9BCpRYIMZaQst8cC7lT1FrdjJrQ40AtUnxfFvYKdChtLgc1fF DNlh7cepMA9QwJTCer4XRs12lLMcW+lJNh+ljqgCnDYheC8+xrgK2fWVHmbHLcTIbZicZr3a5 OoQc+Qt2xmBkbVzh+S3+oLBuNlxrfqR5BxDa7w6kacrUPSLxH7bwT7sBmvk/iR4Ixq9OBkzQa tjvXGATGtlZmdzDGhjZhxXlXd12B4KoNiN4ROGo10uXnij0jghf93ktmCu37a9/NZn+WodaDO s64iZQtIZ0Q8IE42Qhj7QJdS7wr3ExhEWrate7mjuJN5vVETIRCkmpGNG8Rd6J5AUGd5wrmU2 /iJfb3+hMH+cKLDaZzi2j3udXCAYV86+nhm5bT5L61Erm Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 20=2E Oktober 2022 18:17:41 MESZ schrieb "Russell King (Oracle)" : >On Thu, Oct 20, 2022 at 04:44:31PM +0200, Frank Wunderlich wrote: >> diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii=2Ec b/drivers/net/= ethernet/mediatek/mtk_sgmii=2Ec >> index 736839c84130=2E=2E8b7465057e57 100644 >> --- a/drivers/net/ethernet/mediatek/mtk_sgmii=2Ec >> +++ b/drivers/net/ethernet/mediatek/mtk_sgmii=2Ec >> @@ -122,7 +122,21 @@ static void mtk_pcs_link_up(struct phylink_pcs *pc= s, unsigned int mode, >> regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val); >> } >> =20 >> +static void mtk_pcs_get_state(struct phylink_pcs *pcs, struct phylink_= link_state *state) >> +{ >> + struct mtk_pcs *mpcs =3D pcs_to_mtk_pcs(pcs); >> + unsigned int val; >> + >> + regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val); >> + state->speed =3D val & RG_PHY_SPEED_3_125G ? SPEED_2500 : SPEED_1000; >> + > >Sorry, looking back at my initial comment on the first revision of this >patch, I see my second point was confused=2E It should have read: > >"2) There should also be a setting for state->duplex=2E" > >IOW, "duplex" instead of "pause"=2E > >Also, is there no way to read the link partner advertisement? Hi, On my board (bpi-r3) we have no autoneg on the gmacs=2E We have a switch (= mt7531) with fixed-link on the first and a sfp-cage on the other=2E Second = mac gets speed-setting (1000base-X or 2500base-X) from sfp eeprom, but no a= dvertisement from the "other end"=2E Imho it is always full duplex=2E I have no register documentation to check if there is any way to read out = pause/duplex setting=2E Maybe MTK can answer this or extend function later= =2E regards Frank