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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B799AC43331 for ; Tue, 31 Mar 2020 08:00:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 960322073B for ; Tue, 31 Mar 2020 08:00:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730047AbgCaIA2 (ORCPT ); Tue, 31 Mar 2020 04:00:28 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:45907 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729819AbgCaIA2 (ORCPT ); Tue, 31 Mar 2020 04:00:28 -0400 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jJBoq-0006jV-45; Tue, 31 Mar 2020 10:00:20 +0200 Received: from [IPv6:2a03:f580:87bc:d400:9c00:37c7:b172:db58] (unknown [IPv6:2a03:f580:87bc:d400:9c00:37c7:b172:db58]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mkl@blackshift.org", Issuer "StartCom Class 1 Client CA" (not verified)) (Authenticated sender: mkl@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id DC71A4D8C70; Tue, 31 Mar 2020 08:00:17 +0000 (UTC) Subject: Re: [PATCH v2] ARM: imx: allow to disable board specific PHY fixups To: Russell King - ARM Linux admin Cc: Florian Fainelli , Andrew Lunn , netdev@vger.kernel.org, Sascha Hauer , linux-kernel@vger.kernel.org, Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Shawn Guo , Fabio Estevam , linux-arm-kernel@lists.infradead.org, Heiner Kallweit References: <20200329110457.4113-1-o.rempel@pengutronix.de> <20200329150854.GA31812@lunn.ch> <20200330052611.2bgu7x4nmimf7pru@pengutronix.de> <40209d08-4acb-75c5-1766-6d39bb826ff9@gmail.com> <20200330174114.GG25745@shell.armlinux.org.uk> <5ae5c0de-f05c-5e3f-86e1-a9afdd3e1ef1@pengutronix.de> <20200331075457.GJ25745@shell.armlinux.org.uk> From: Marc Kleine-Budde Openpgp: preference=signencrypt Autocrypt: addr=mkl@pengutronix.de; prefer-encrypt=mutual; keydata= mQINBFFVq30BEACtnSvtXHoeHJxG6nRULcvlkW6RuNwHKmrqoksispp43X8+nwqIFYgb8UaX zu8T6kZP2wEIpM9RjEL3jdBjZNCsjSS6x1qzpc2+2ivjdiJsqeaagIgvy2JWy7vUa4/PyGfx QyUeXOxdj59DvLwAx8I6hOgeHx2X/ntKAMUxwawYfPZpP3gwTNKc27dJWSomOLgp+gbmOmgc 6U5KwhAxPTEb3CsT5RicsC+uQQFumdl5I6XS+pbeXZndXwnj5t84M+HEj7RN6bUfV2WZO/AB Xt5+qFkC/AVUcj/dcHvZwQJlGeZxoi4veCoOT2MYqfR0ax1MmN+LVRvKm29oSyD4Ts/97cbs XsZDRxnEG3z/7Winiv0ZanclA7v7CQwrzsbpCv+oj+zokGuKasofzKdpywkjAfSE1zTyF+8K nxBAmzwEqeQ3iKqBc3AcCseqSPX53mPqmwvNVS2GqBpnOfY7Mxr1AEmxdEcRYbhG6Xdn+ACq Dq0Db3A++3PhMSaOu125uIAIwMXRJIzCXYSqXo8NIeo9tobk0C/9w3fUfMTrBDtSviLHqlp8 eQEP8+TDSmRP/CwmFHv36jd+XGmBHzW5I7qw0OORRwNFYBeEuiOIgxAfjjbLGHh9SRwEqXAL kw+WVTwh0MN1k7I9/CDVlGvc3yIKS0sA+wudYiselXzgLuP5cQARAQABtCZNYXJjIEtsZWlu ZS1CdWRkZSA8bWtsQHBlbmd1dHJvbml4LmRlPokCVAQTAQoAPgIbAwIeAQIXgAULCQgHAwUV CgkICwUWAgMBABYhBMFAC6CzmJ5vvH1bXCte4hHFiupUBQJcUsSbBQkM366zAAoJECte4hHF iupUgkAP/2RdxKPZ3GMqag33jKwKAbn/fRqAFWqUH9TCsRH3h6+/uEPnZdzhkL4a9p/6OeJn Z6NXqgsyRAOTZsSFcwlfxLNHVxBWm8pMwrBecdt4lzrjSt/3ws2GqxPsmza1Gs61lEdYvLST Ix2vPbB4FAfE0kizKAjRZzlwOyuHOr2ilujDsKTpFtd8lV1nBNNn6HBIBR5ShvJnwyUdzuby tOsSt7qJEvF1x3y49bHCy3uy+MmYuoEyG6zo9udUzhVsKe3hHYC2kfB16ZOBjFC3lH2U5An+ yQYIIPZrSWXUeKjeMaKGvbg6W9Oi4XEtrwpzUGhbewxCZZCIrzAH2hz0dUhacxB201Y/faY6 BdTS75SPs+zjTYo8yE9Y9eG7x/lB60nQjJiZVNvZ88QDfVuLl/heuIq+fyNajBbqbtBT5CWf mOP4Dh4xjm3Vwlz8imWW/drEVJZJrPYqv0HdPbY8jVMpqoe5jDloyVn3prfLdXSbKPexlJaW 5tnPd4lj8rqOFShRnLFCibpeHWIumqrIqIkiRA9kFW3XMgtU6JkIrQzhJb6Tc6mZg2wuYW0d Wo2qvdziMgPkMFiWJpsxM9xPk9BBVwR+uojNq5LzdCsXQ2seG0dhaOTaaIDWVS8U/V8Nqjrl 6bGG2quo5YzJuXKjtKjZ4R6k762pHJ3tnzI/jnlc1sXz Message-ID: Date: Tue, 31 Mar 2020 10:00:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200331075457.GJ25745@shell.armlinux.org.uk> Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/31/20 9:54 AM, Russell King - ARM Linux admin wrote: > On Tue, Mar 31, 2020 at 09:47:19AM +0200, Marc Kleine-Budde wrote: >> On 3/30/20 7:41 PM, Russell King - ARM Linux admin wrote: >>>>> arch/arm/mach-imx/mach-imx6q.c:167: phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, >>>>> arch/arm/mach-imx/mach-imx6q.c:169: phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK, >>>>> arch/arm/mach-imx/mach-imx6q.c:171: phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffef, >>>>> arch/arm/mach-imx/mach-imx6q.c:173: phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef, >>> >>> As far as I'm concerned, the AR8035 fixup is there with good reason. >>> It's not just "random" but is required to make the AR8035 usable with >>> the iMX6 SoCs. Not because of a board level thing, but because it's >>> required for the AR8035 to be usable with an iMX6 SoC. >> >> Is this still ture, if the AR8035 is attached to a switch behind an iMX6? > > Do you know of such a setup, or are you talking about theoretical > situations? Granted, not for the AR8035, but for one of the KSZ Phys. This is why Oleksij started looking into this issue in the first place. regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | 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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AE47C2D0EF for ; Tue, 31 Mar 2020 08:00:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D341120B80 for ; 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Tue, 31 Mar 2020 08:00:17 +0000 (UTC) Subject: Re: [PATCH v2] ARM: imx: allow to disable board specific PHY fixups To: Russell King - ARM Linux admin References: <20200329110457.4113-1-o.rempel@pengutronix.de> <20200329150854.GA31812@lunn.ch> <20200330052611.2bgu7x4nmimf7pru@pengutronix.de> <40209d08-4acb-75c5-1766-6d39bb826ff9@gmail.com> <20200330174114.GG25745@shell.armlinux.org.uk> <5ae5c0de-f05c-5e3f-86e1-a9afdd3e1ef1@pengutronix.de> <20200331075457.GJ25745@shell.armlinux.org.uk> From: Marc Kleine-Budde Openpgp: preference=signencrypt Autocrypt: addr=mkl@pengutronix.de; prefer-encrypt=mutual; keydata= mQINBFFVq30BEACtnSvtXHoeHJxG6nRULcvlkW6RuNwHKmrqoksispp43X8+nwqIFYgb8UaX zu8T6kZP2wEIpM9RjEL3jdBjZNCsjSS6x1qzpc2+2ivjdiJsqeaagIgvy2JWy7vUa4/PyGfx QyUeXOxdj59DvLwAx8I6hOgeHx2X/ntKAMUxwawYfPZpP3gwTNKc27dJWSomOLgp+gbmOmgc 6U5KwhAxPTEb3CsT5RicsC+uQQFumdl5I6XS+pbeXZndXwnj5t84M+HEj7RN6bUfV2WZO/AB Xt5+qFkC/AVUcj/dcHvZwQJlGeZxoi4veCoOT2MYqfR0ax1MmN+LVRvKm29oSyD4Ts/97cbs XsZDRxnEG3z/7Winiv0ZanclA7v7CQwrzsbpCv+oj+zokGuKasofzKdpywkjAfSE1zTyF+8K nxBAmzwEqeQ3iKqBc3AcCseqSPX53mPqmwvNVS2GqBpnOfY7Mxr1AEmxdEcRYbhG6Xdn+ACq Dq0Db3A++3PhMSaOu125uIAIwMXRJIzCXYSqXo8NIeo9tobk0C/9w3fUfMTrBDtSviLHqlp8 eQEP8+TDSmRP/CwmFHv36jd+XGmBHzW5I7qw0OORRwNFYBeEuiOIgxAfjjbLGHh9SRwEqXAL kw+WVTwh0MN1k7I9/CDVlGvc3yIKS0sA+wudYiselXzgLuP5cQARAQABtCZNYXJjIEtsZWlu ZS1CdWRkZSA8bWtsQHBlbmd1dHJvbml4LmRlPokCVAQTAQoAPgIbAwIeAQIXgAULCQgHAwUV CgkICwUWAgMBABYhBMFAC6CzmJ5vvH1bXCte4hHFiupUBQJcUsSbBQkM366zAAoJECte4hHF iupUgkAP/2RdxKPZ3GMqag33jKwKAbn/fRqAFWqUH9TCsRH3h6+/uEPnZdzhkL4a9p/6OeJn Z6NXqgsyRAOTZsSFcwlfxLNHVxBWm8pMwrBecdt4lzrjSt/3ws2GqxPsmza1Gs61lEdYvLST Ix2vPbB4FAfE0kizKAjRZzlwOyuHOr2ilujDsKTpFtd8lV1nBNNn6HBIBR5ShvJnwyUdzuby tOsSt7qJEvF1x3y49bHCy3uy+MmYuoEyG6zo9udUzhVsKe3hHYC2kfB16ZOBjFC3lH2U5An+ yQYIIPZrSWXUeKjeMaKGvbg6W9Oi4XEtrwpzUGhbewxCZZCIrzAH2hz0dUhacxB201Y/faY6 BdTS75SPs+zjTYo8yE9Y9eG7x/lB60nQjJiZVNvZ88QDfVuLl/heuIq+fyNajBbqbtBT5CWf mOP4Dh4xjm3Vwlz8imWW/drEVJZJrPYqv0HdPbY8jVMpqoe5jDloyVn3prfLdXSbKPexlJaW 5tnPd4lj8rqOFShRnLFCibpeHWIumqrIqIkiRA9kFW3XMgtU6JkIrQzhJb6Tc6mZg2wuYW0d Wo2qvdziMgPkMFiWJpsxM9xPk9BBVwR+uojNq5LzdCsXQ2seG0dhaOTaaIDWVS8U/V8Nqjrl 6bGG2quo5YzJuXKjtKjZ4R6k762pHJ3tnzI/jnlc1sXz Message-ID: Date: Tue, 31 Mar 2020 10:00:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200331075457.GJ25745@shell.armlinux.org.uk> Content-Language: de-DE X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200331_010023_858698_2DABC4C7 X-CRM114-Status: GOOD ( 12.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Florian Fainelli , netdev@vger.kernel.org, Sascha Hauer , linux-kernel@vger.kernel.org, Fabio Estevam , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Shawn Guo , linux-arm-kernel@lists.infradead.org, Heiner Kallweit Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 3/31/20 9:54 AM, Russell King - ARM Linux admin wrote: > On Tue, Mar 31, 2020 at 09:47:19AM +0200, Marc Kleine-Budde wrote: >> On 3/30/20 7:41 PM, Russell King - ARM Linux admin wrote: >>>>> arch/arm/mach-imx/mach-imx6q.c:167: phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, >>>>> arch/arm/mach-imx/mach-imx6q.c:169: phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK, >>>>> arch/arm/mach-imx/mach-imx6q.c:171: phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffef, >>>>> arch/arm/mach-imx/mach-imx6q.c:173: phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef, >>> >>> As far as I'm concerned, the AR8035 fixup is there with good reason. >>> It's not just "random" but is required to make the AR8035 usable with >>> the iMX6 SoCs. Not because of a board level thing, but because it's >>> required for the AR8035 to be usable with an iMX6 SoC. >> >> Is this still ture, if the AR8035 is attached to a switch behind an iMX6? > > Do you know of such a setup, or are you talking about theoretical > situations? Granted, not for the AR8035, but for one of the KSZ Phys. This is why Oleksij started looking into this issue in the first place. regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel