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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 426E9C433E0 for ; Mon, 15 Jun 2020 09:41:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C1262065F for ; Mon, 15 Jun 2020 09:41:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728773AbgFOJlM (ORCPT ); Mon, 15 Jun 2020 05:41:12 -0400 Received: from mail-ot1-f65.google.com ([209.85.210.65]:42027 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728368AbgFOJlM (ORCPT ); Mon, 15 Jun 2020 05:41:12 -0400 Received: by mail-ot1-f65.google.com with SMTP id t6so12586701otk.9; Mon, 15 Jun 2020 02:41:11 -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=kVh6vhGTp4nHIVoitqlfcuyxTAyEUzzJNPdDNlKbwVE=; b=Xhd3R6GVQqInANyZhWr91HqDsVDZ/lT5N5+K9tgq+T3xT4u2xwtE/YWd8KXzngUtbn McaXGOJeaELh1XGBhLcnz7t7BT8TPwsJF6aMg8JXg+b8+8FPx2Zh9Rb+86eEfOsrZV2C IZACZRcNNmk7wmPtyE3XCuFvG6YRA0pzuvwxeqEKhqKtvfRzjBdJhcF4tkGeopoYfThL Y+JJk9orJ7yV7RlSCjKaQwMarietc7sAg21jJIlbuxbdlc586Xsbv15DGjz3X82lCwhZ 0SiexW0d2AJUF0uwwauxeePpo0xiWZ0ceT9c4tjSivT71Hj7NnDV5hNq8fw0qEObjLM1 2BCQ== X-Gm-Message-State: AOAM533tJ9q3Yjt0AiA1ak1DSrqEvvmnGM0yWxltOpRZFaBzY29/uktZ N27OPg0li46rmwk4oijGDEmcvBvSTiiiejnFyVxmBqM0 X-Google-Smtp-Source: ABdhPJyC5FNeZ+EIHvbT4gnx1gWrA9mUC+COcLHFcLQ3hcaYOMwfxpGzAs5Mz+L182NA/24zxSsPcGCa7fTZ+DKxeOk= X-Received: by 2002:a05:6830:141a:: with SMTP id v26mr20854920otp.250.1592214071396; Mon, 15 Jun 2020 02:41:11 -0700 (PDT) MIME-Version: 1.0 References: <1591817591-852-1-git-send-email-uli+renesas@fpond.eu> In-Reply-To: <1591817591-852-1-git-send-email-uli+renesas@fpond.eu> From: Geert Uytterhoeven Date: Mon, 15 Jun 2020 11:41:00 +0200 Message-ID: Subject: Re: [PATCH] i2c: sh_mobile: implement atomic transfers To: Ulrich Hecht Cc: Linux-Renesas , Wolfram Sang , Linux I2C Content-Type: text/plain; charset="UTF-8" Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Hi Uli, On Wed, Jun 10, 2020 at 10:19 PM Ulrich Hecht wrote: > Implements atomic transfers to fix reboot/shutdown on r8a7790 Lager and > similar boards. > > Signed-off-by: Ulrich Hecht After removing the first hunk, this works fine on r8a7791/koelsch. The following warnings are no longer seen: WARNING: CPU: 0 PID: 1 at drivers/i2c/i2c-core.h:41 i2c_transfer+0x80/0xf8 No atomic I2C transfer handler for 'i2c-6' ... WARNING: CPU: 0 PID: 1 at kernel/sched/core.c:1731 set_task_cpu+0xf4/0x1fc Tested-by: Geert Uytterhoeven 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