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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7D9FCC433EF for ; Thu, 23 Sep 2021 09:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B4A161038 for ; Thu, 23 Sep 2021 09:02:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240101AbhIWJE3 (ORCPT ); Thu, 23 Sep 2021 05:04:29 -0400 Received: from mail-vs1-f44.google.com ([209.85.217.44]:45712 "EHLO mail-vs1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239985AbhIWJE2 (ORCPT ); Thu, 23 Sep 2021 05:04:28 -0400 Received: by mail-vs1-f44.google.com with SMTP id k10so5738511vsp.12 for ; Thu, 23 Sep 2021 02:02:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jLXlumI4j+579UGeRtcYa3gb1lSCZ7FfabuRwwTdX38=; b=koSvOi5mBgtSKUju5jdcQBHoj35I+rRGmhi5ULKZ8IgDrxGNvBtTPaWHUrogXOJdxd uzLGKEhv1hkCSToE4kBZmA9/VizrGx7N0esCKWd2nULTd1dHJHcfC6R0cz7VS2CT2ZNd xASh807HYx3me2jTa/jPPg2wiphd9x3Bc/g47z+GS9PVu+pnNHNDT3i+v7rMZUMeM2jf c8GRLfGZTeeGDWO7LittpIgKJbFXyMs4XauO5HJiqAPYyjnz4LSDWAV4Oy6rMqQCOYaH 6GYjxMBRUBC7Fmsyk/GrQ2Bfz1wZmT9nqxyAjfMMW9/fEKf7TgYZu9dD0ALpizr7LY8s i2LQ== X-Gm-Message-State: AOAM531Deqlk2aGdOTHgmovX1H0KMu4agJL6baELIO5qa3V4RSKyxT65 EICjk8hOSHWUnAGHSfLPbt7OKMKobgG8Ei6wx3c2i5A9 X-Google-Smtp-Source: ABdhPJyLFEJ1/wVgYOZxr51rkTL0C7wD9T0quSj9euLqlFqWvNrf1FItT6TijEwKseehzzQGhKOF9WAeCMGJ0AOzBMU= X-Received: by 2002:a67:cc1c:: with SMTP id q28mr2910778vsl.37.1632387776692; Thu, 23 Sep 2021 02:02:56 -0700 (PDT) MIME-Version: 1.0 References: <20210913065317.2297-1-wsa+renesas@sang-engineering.com> <20210913065317.2297-5-wsa+renesas@sang-engineering.com> In-Reply-To: <20210913065317.2297-5-wsa+renesas@sang-engineering.com> From: Geert Uytterhoeven Date: Thu, 23 Sep 2021 11:02:45 +0200 Message-ID: Subject: Re: [RFC PATCH 4/4] arm64: dts: renesas: falcon-cpu: add SPI flash via RPC To: Wolfram Sang Cc: Linux-Renesas Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On Mon, Sep 13, 2021 at 8:53 AM Wolfram Sang wrote: > Signed-off-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven > Comments: The BSP used 40 MHz as the spi-max-frequency. But it is the > same SPI flash chip as on other R-Car Gen3 boards, so I took the max > value from there, 50MHz. It worked so far. There could be a trace spec violation causing possible corruption at 50 MHz. I think it would be best to verify this with Renesas. > Probably the boot partition could be described more precisely and split > up into further partitions. Do we want that? So far, I kept what the BSP > is using. It depends: what do you see on the board you're testing on? 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