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=-10.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C6F46C2B9F4 for ; Mon, 28 Jun 2021 16:18:48 +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 52A6B60230 for ; Mon, 28 Jun 2021 16:18:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 52A6B60230 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=a/NdpebAAL8JhnDXt8X467mS9RQefsip2AqrjeydHMk=; b=Kxw01yLMugPu+D XfQB3l1YwE1x9S/3O+q9ZAMTul4dPXP31u8iybtYJ6GK30F5QhaDU8WGPaRO07OnhKypPNy8hxSU4 EcTYHBX6LMDCTbmXZO4nwic+4HUtF1M9N+6KW4tR8TkwBdgHQdWNNNeECEtFYEVcwJXoPEj4E8+10 V2YzseP0aKuNS72/L+QKlmqvEIgJP7execv+19/rPnLn+aadOOaEqyEejMwSxoLI8pgEbn76rQphU S9JDUvvAklxiJdjD9bYHfGxLSlS4XvyUpA67BtZFXhE6aFJIvLXF1Gj2Svg07wzS3OMByccUNImpa 9Dfcb3pXNJ+bRwNwc0dg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lxtw3-008Yja-1v; Mon, 28 Jun 2021 16:16:35 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lxtvy-008Yie-Ua for linux-arm-kernel@lists.infradead.org; Mon, 28 Jun 2021 16:16:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=AVS6wdnWgOLuiMtZUjGyWXos+iEGLYpsp9B+2iMmy1U=; b=u0sS8zoyGjUHUotlbA0+9HB4p 4OXEh/9UjF/Wg+37pMDYZV6j13nPc/tC8rg/ZC7s3bCyK2XX71zq0t23x4b9HLZQ+3V7mCU6Z4iVn 2qTY8jLv9lYHQr9wQZfWZxZ8GM0IUr3aIV3limdLFQEzIiqYbnhKH81CKX3U1vC8p/6S9NGg0DLr8 pwL4gklHv3afK1PUMlggJ/f4H4g/+ojFKsztpi9j+58uDbIxU2F4QsQGNxpnrWv3gJPw//szxWDFX uFXsF/j2uoMlW9Ph1m+cQ4x0O7KAmAuWbKpQm+9s8v7N6aseagTPgKDfZ6Mp5MSQvdxhOTKEoskCp A4HgLqdLw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:45434) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lxtvr-0003gw-Ei; Mon, 28 Jun 2021 17:16:23 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1lxtvo-0001Bp-Vg; Mon, 28 Jun 2021 17:16:20 +0100 Date: Mon, 28 Jun 2021 17:16:20 +0100 From: "Russell King (Oracle)" To: Pali =?iso-8859-1?Q?Roh=E1r?= Cc: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Marek =?iso-8859-1?Q?Beh=FAn?= , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] arm64: dts: armada-3720-turris-mox: remove mrvl,i2c-fast-mode Message-ID: <20210628161620.GB22278@shell.armlinux.org.uk> References: <20210628121015.22660-1-pali@kernel.org> <20210628151229.25214-1-pali@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210628151229.25214-1-pali@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210628_091631_025443_56E96065 X-CRM114-Status: UNSURE ( 9.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 28, 2021 at 05:12:29PM +0200, Pali Roh=E1r wrote: > Some SFP modules are not detected when i2c-fast-mode is enabled even when > clock-frequency is already set to 100000. The I2C bus violates the timing > specifications when run in fast mode. So disable fast mode on Turris Mox. Yes. SFP module specification is 100kHz max on the I2C bus, which is often forgotten about until someone runs into a problem. Acked-by: Russell King (Oracle) -- = RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel