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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 6A258C41514 for ; Wed, 21 Aug 2019 15:45:03 +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 3D4A02339F for ; Wed, 21 Aug 2019 15:45:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EhB1nDdO"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="rDR4iBM6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3D4A02339F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=Z42fESzt+GAlYiCwmT7uMEM/fDmCbm6TwfjdeFxWLi4=; b=EhB1nDdO2TGf/u 8tNUeXX7dTNtc0w5xXM3zhR6wk+uiLbEkIvH4hg+7NAiqCqFRHx7XACyM/R+wB4VQwy9dEdNa9E4E G5Z/KvEkC2U3U9y1Wv33TBaAoAeBqFJEV6gGN9U68jZ2vD6drRQv98q7mNascE8CnCoPAgPcoZZn/ CysorlyFni6c0CLFnl3xfMq3RcKKAudgmP7If0UX4EnQrumbKUQhXKejv2DPzESqowtLZea32vY8n VlO9f8Q5AJY5Mqc/tG0aEAUkfO5Kv9MmexmOkJVX3i2/UmqSJUctQSUSJo9Qgq5gf2w2aM+LyqD5y BzGonoqKJA2V8n5ARXHg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i0SnG-0005BE-Ks; Wed, 21 Aug 2019 15:45:02 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i0SnE-00059g-9J for linux-arm-kernel@lists.infradead.org; Wed, 21 Aug 2019 15:45:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: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=d2ipJgskj1KEFwtR3VC5y7DGS2nKxHaE3OCt1pU7bQs=; b=rDR4iBM6F7m5OGmABrNkpFJyBo ItjdBWifYVfJw+pPyL5pd+WkwAK2B9yDLmVb5JNyapKyvXN/KCc9Tr+LcZq3k0rk/L0Va8hx+xKlz 4HG7FjZDKOVGNRriFTRPpZEgxmcT/UYFiwUx/PrhxKPsTyBPHQU+zty8TUmiu1DHuAmw=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1i0Sn9-00060h-P0; Wed, 21 Aug 2019 17:44:55 +0200 Date: Wed, 21 Aug 2019 17:44:55 +0200 From: Andrew Lunn To: Andrey Smirnov Subject: Re: [PATCH v2] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100 kHz Message-ID: <20190821154455.GD22091@lunn.ch> References: <20190821013936.12223-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190821013936.12223-1-andrew.smirnov@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190821_084500_477769_5314C2FC X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. 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: Shawn Guo , Chris Healy , Fabio Estevam , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org 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 Tue, Aug 20, 2019 at 06:39:36PM -0700, Andrey Smirnov wrote: > Fiber-optic modules attached to the bus are only rated to work at > 100 kHz, so decrease the bus frequency to accommodate that. > > Signed-off-by: Andrey Smirnov > Cc: Shawn Guo > Cc: Chris Healy > Cc: Fabio Estevam > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org Reviewed-by: Andrew Lunn I took a quick look at some of the SFP standards. 100KHz is part of the standard. So we should try to remember to keep an eye of this as other boards are merged. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-5.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 B6B4DC3A59E for ; Wed, 21 Aug 2019 15:45:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87B3222DA7 for ; Wed, 21 Aug 2019 15:45:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="rDR4iBM6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728818AbfHUPpB (ORCPT ); Wed, 21 Aug 2019 11:45:01 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:49132 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727581AbfHUPpA (ORCPT ); Wed, 21 Aug 2019 11:45:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: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=d2ipJgskj1KEFwtR3VC5y7DGS2nKxHaE3OCt1pU7bQs=; b=rDR4iBM6F7m5OGmABrNkpFJyBo ItjdBWifYVfJw+pPyL5pd+WkwAK2B9yDLmVb5JNyapKyvXN/KCc9Tr+LcZq3k0rk/L0Va8hx+xKlz 4HG7FjZDKOVGNRriFTRPpZEgxmcT/UYFiwUx/PrhxKPsTyBPHQU+zty8TUmiu1DHuAmw=; Received: from andrew by vps0.lunn.ch with local (Exim 4.89) (envelope-from ) id 1i0Sn9-00060h-P0; Wed, 21 Aug 2019 17:44:55 +0200 Date: Wed, 21 Aug 2019 17:44:55 +0200 From: Andrew Lunn To: Andrey Smirnov Cc: linux-arm-kernel@lists.infradead.org, Fabio Estevam , Shawn Guo , linux-kernel@vger.kernel.org, Chris Healy Subject: Re: [PATCH v2] ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100 kHz Message-ID: <20190821154455.GD22091@lunn.ch> References: <20190821013936.12223-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190821013936.12223-1-andrew.smirnov@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 20, 2019 at 06:39:36PM -0700, Andrey Smirnov wrote: > Fiber-optic modules attached to the bus are only rated to work at > 100 kHz, so decrease the bus frequency to accommodate that. > > Signed-off-by: Andrey Smirnov > Cc: Shawn Guo > Cc: Chris Healy > Cc: Fabio Estevam > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org Reviewed-by: Andrew Lunn I took a quick look at some of the SFP standards. 100KHz is part of the standard. So we should try to remember to keep an eye of this as other boards are merged. Andrew