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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 563C3C4741F for ; Thu, 1 Oct 2020 13:12:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EEF621707 for ; Thu, 1 Oct 2020 13:12:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731986AbgJANMA (ORCPT ); Thu, 1 Oct 2020 09:12:00 -0400 Received: from mail-ot1-f65.google.com ([209.85.210.65]:40438 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731936AbgJANMA (ORCPT ); Thu, 1 Oct 2020 09:12:00 -0400 Received: by mail-ot1-f65.google.com with SMTP id c2so5292943otp.7; Thu, 01 Oct 2020 06:11:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=CutUNi23FmgjlGaCB8GUt7zxXbSWDvhvD9+BHeBAnew=; b=Xb8j5MW9Apjj7r9oKfX/h66ib9iKQU+tIgC4uBWbW1/sG4n+nPNvplS8mXYrJ7yY3o YOEuSHhawlp6FLbKYSZCSe1hlsJSRDLeul2rkQfZQzkgSXnKsfcUcqk/ysLR9MM+6lmz WTWJpaiZVZaI/hmHa80pKoLAkdSf+lhc5RN/EyoeNh5ake7cxOx8ZBx620tTFPogYbm/ t4UzstO6Bckz3z0ZuYSrwsSSql9U6zSp4aIGoJMzmzydvSrg4/ZWKR18z8oyva2p/aJ6 sOOcj0HhkDCujn1niVxJiZVBrcX/8fN0a7A2/rLx6TFEm0Pujx6rYJU26h977Zekpx2f sDHA== X-Gm-Message-State: AOAM533fDPwrHClitzykFWsn9m2Hixe1t1RN4cBWtO/X5+GmWihA06gL MF7X2XKRVM/3IFv+cUpQg6Js9PwYULVpEGxoa6w= X-Google-Smtp-Source: ABdhPJynJdC8EJ9MWj44Vded5utR6vduohJBWaNwFNpNhY4rKdAIawjGrt5b+MKH2U5sHbc77NMa13RGnRZws4qSSFE= X-Received: by 2002:a9d:5a92:: with SMTP id w18mr4737169oth.145.1601557919130; Thu, 01 Oct 2020 06:11:59 -0700 (PDT) MIME-Version: 1.0 References: <20200924055313.GC9471@atomide.com> <20200924060826.GE9471@atomide.com> <20200924133049.GH3968@pendragon.ideasonboard.com> <20200925115147.GM9471@atomide.com> <20200925115817.GB3933@pendragon.ideasonboard.com> <20200930052057.GP9471@atomide.com> <20201001075344.GU9471@atomide.com> <20201001081748.GW9471@atomide.com> <20201001082256.GA3722@pendragon.ideasonboard.com> <60ea4b42-fbc2-2b80-7eab-8a236581d4c9@ti.com> In-Reply-To: <60ea4b42-fbc2-2b80-7eab-8a236581d4c9@ti.com> From: Geert Uytterhoeven Date: Thu, 1 Oct 2020 15:11:48 +0200 Message-ID: Subject: Re: Slow booting on x15 To: Grygorii Strashko Cc: Laurent Pinchart , Tony Lindgren , Saravana Kannan , "Rafael J. Wysocki" , Ulf Hansson , Rob Herring , Peter Ujfalusi , Tomi Valkeinen , Linux-OMAP , Greg Kroah-Hartman , Linux PM list , Geert Uytterhoeven Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Hi Grygorii et al, On Thu, Oct 1, 2020 at 2:56 PM Grygorii Strashko wrote: > On 01/10/2020 11:22, Laurent Pinchart wrote: > > On Thu, Oct 01, 2020 at 11:17:48AM +0300, Tony Lindgren wrote: > >>>> -rc7 spends most of it's time: > >>>> [ 7.635530] Micrel KSZ9031 Gigabit PHY 48485000.mdio:01: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=48485000.mdio:01, irq=POLL) > >>>> [ 14.956671] cpsw 48484000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off > >>>> [ 15.005211] IP-Config: Complete: 1. Is irq=POLL normal behavior for your board? 2. As this is a Micrel PHY, perhaps you are affected by the changes in the configuration defaults in commit bcf3440c6dd78bfe ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY")? See also the performance drop figures in the description of quick fix 9b23203c32ee02cd ("ravb: Mask PHY mode to avoid inserting delays twice") (and better solution https://lore.kernel.org/linux-renesas-soc/20201001101008.14365-1-geert+renesas@glider.be) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds