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 675EAC2BA4C for ; Wed, 26 Jan 2022 03:42:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237240AbiAZDms (ORCPT ); Tue, 25 Jan 2022 22:42:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237249AbiAZDmj (ORCPT ); Tue, 25 Jan 2022 22:42:39 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 777BFC06161C; Tue, 25 Jan 2022 19:42:39 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id i30so2814884pfk.8; Tue, 25 Jan 2022 19:42:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=K1WyeGYezne19214IRAQWvSDltEgxn3XDoQpdetw7bg=; b=DsGAPtTFGfvOA61xg0f3nJvleU3CpPPq9W1cxQ5EwZXY8BOCe+QPNDLz8penIEiS+8 YZ7w+f5NaSpZ6Rd+lnwNrWcZFF3F8Jb3f8PcSttTe5OM12y5Ib1BGSaT0XYnrp02Ebin YLjEjY+WSe91T8Mm0IROphypxUbDwozg8GYqMyMDSvN9uno+fAJA/0ex8+7X9KdMDDiD 6WlBSAHHUtcPQgRVxZHEQPTKOaInkl2d8RV9S8u9AT9h/ZG7+j5lAwYtbnXFdGzdKVf2 cJxcsj7azL/bFMtRgU2xUe0QLz6Mm7XDo4bnuHtfZ9vSrd81ySvVLjyC+fqAlrdHGlrV 0fSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=K1WyeGYezne19214IRAQWvSDltEgxn3XDoQpdetw7bg=; b=j0Dyt3ldRueZCewn7eTXjNkCkgNDWubOGAZdZaBTvs2lgOZknMwgXTIl4BMB5Dr4Zg es3o2ueVCYCIf2iRAVny98dIcKTyeWXRjVfFlFpKIAUyZmgAjTAbPaH8/OifKVJN7BAP q9kxz6U3aQ4bzSYBfz45EWD2hvpbsRfqqHrEVRiSJDTChWv3fca8wU3JsnF0OrdpJhDb OyhAVVLHcnYgB/RvztMF3UlErFbE7Y3EyrbnpCmWMPPdonj3GWkhE6Smsrgnd1mNPbFS j7dtgxtXuDA8vG+ni1DFWfJTg3cgoMLloq7gE+mwbYUYnOKi552aTipoL8WPdsjd/LLo lSLA== X-Gm-Message-State: AOAM531gQXGeRTEWOT9IdTpk9chWwtw7HY1p0C3AU0vQLum7fD1oW2sB 1gctGUQDez8PxXMSYgdRlPw= X-Google-Smtp-Source: ABdhPJzl+/Yfm34IakLL/o9t/S/HumPeC6qSszNbPmuOFWiiVFyQs+hhAtl6LCCGwZMRyHScubFQrQ== X-Received: by 2002:a05:6a00:14c9:b0:4c7:f5db:5bd7 with SMTP id w9-20020a056a0014c900b004c7f5db5bd7mr15772616pfu.46.1643168558977; Tue, 25 Jan 2022 19:42:38 -0800 (PST) Received: from [192.168.1.3] (ip72-194-116-95.oc.oc.cox.net. [72.194.116.95]) by smtp.gmail.com with ESMTPSA id n2sm15670408pga.39.2022.01.25.19.42.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Jan 2022 19:42:38 -0800 (PST) Message-ID: Date: Tue, 25 Jan 2022 19:42:36 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [RFC PATCH v7 14/16] net: dsa: qca8k: cache lo and hi for mdio write Content-Language: en-US To: Ansuel Smith , Andrew Lunn , Vivien Didelot , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20220123013337.20945-1-ansuelsmth@gmail.com> <20220123013337.20945-15-ansuelsmth@gmail.com> From: Florian Fainelli In-Reply-To: <20220123013337.20945-15-ansuelsmth@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/22/2022 5:33 PM, Ansuel Smith wrote: > From Documentation, we can cache lo and hi the same way we do with the > page. This massively reduce the mdio write as 3/4 of the time as we only > require to write the lo or hi part for a mdio write. > > Signed-off-by: Ansuel Smith Reviewed-by: Florian Fainelli -- Florian