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 6E437C433EF for ; Sun, 28 Nov 2021 16:29:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358270AbhK1Qcr (ORCPT ); Sun, 28 Nov 2021 11:32:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344426AbhK1Qaq (ORCPT ); Sun, 28 Nov 2021 11:30:46 -0500 Received: from mail-ua1-x930.google.com (mail-ua1-x930.google.com [IPv6:2607:f8b0:4864:20::930]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D225C0613F2 for ; Sun, 28 Nov 2021 08:26:37 -0800 (PST) Received: by mail-ua1-x930.google.com with SMTP id n6so29008047uak.1 for ; Sun, 28 Nov 2021 08:26:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/ccB47tdeti47CvDM6R5rYXfeqjwA3nH7VkbP1EBuzs=; b=bb8iROMPL4xY9YKCKh0LcMj6ctNvNaAZS+EVGTP+2em16DnWvURJFBwKiZgQ14kpFx Nk0yod58G1GSRAXhbEmJSlcSr5H+7E+VRw2oFQ49OQGFlI0NaPsYM76X/VH5tGjQ6CYh WoFk8Gn8q0COPBUli/NDsEWR6bc+iXAJ019W+PmGTj4jAV8rJApYX0PUUsYpzjqrLwrj Gu7/GiaJ0CKIqr+7VglKPoUwlrTg9rFOnRoOgI70LWhYsailfiQ4Cqkz2G0dLY83lvMz 8sS5BykmV2FyfWNqpRXjubhzLMPxPi1RfEDwJU0dc9fs5dv57ePDFc/y2awY/aQP9Fja ZJmA== 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=/ccB47tdeti47CvDM6R5rYXfeqjwA3nH7VkbP1EBuzs=; b=dS+VYfVn4Q/gI9AnRdkPfYHqM0Cpne1Q6MSYCbirx68BXvyW8owcGql/rhR+tcNwdv wUNfQ9hTBS4Y8ART7kS6JOooBbhxG7DRsaSUYCyPXb7Y/C34qQTp+Isa12an6W1ZpeDt feX+a/+QTxK5pwl/cRxMH9izLY91sjifilTqPpm7jzgK5eJaN61DXdXv99gdW267xinZ ruDS+U/y86chVFMJX3kOKDA9Gp8xj0ldKaDHQDHOBRYeoi5XJTwJBz1WIIB7dcZ3lNcj hFE74wM4jko09kziYFaRyD4OQ+HxzRrut8m+Jm1a4XSGM8ts5UkCFkF/kzP4tmPVG1NT K1cQ== X-Gm-Message-State: AOAM533KKQfR1tW29d0/ive44MaQz6ph9lFDJf+hYYp7TObNOuyj3RHQ 8ISFuLK2pRPHt4PahM0isiGxaC1h3C/GJepXnahV3w== X-Google-Smtp-Source: ABdhPJzu4Sg8mGJhx58EsQjBE9m8h7oKRpTbBEmqiNm24rO+Vi7sjel3oyR2vWLi6046pK/x0t8RLwwXmEN3LNKN6pg= X-Received: by 2002:a9f:2431:: with SMTP id 46mr44679918uaq.114.1638116796127; Sun, 28 Nov 2021 08:26:36 -0800 (PST) MIME-Version: 1.0 References: <20211127223253.19098-1-semen.protsenko@linaro.org> <20211127223253.19098-5-semen.protsenko@linaro.org> In-Reply-To: From: Sam Protsenko Date: Sun, 28 Nov 2021 18:26:24 +0200 Message-ID: Subject: Re: [PATCH 4/8] tty: serial: samsung: Remove USI initialization To: Greg Kroah-Hartman Cc: Krzysztof Kozlowski , Rob Herring , Mark Brown , Jaewon Kim , Chanho Park , David Virag , Youngmin Nam , devicetree@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-i2c@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Sun, 28 Nov 2021 at 16:28, Greg Kroah-Hartman wrote: > > On Sun, Nov 28, 2021 at 12:32:49AM +0200, Sam Protsenko wrote: > > USI control is now extracted to dedicated USIv2 driver. Remove USI > > related code from serial driver to avoid conflicts and code duplication. > > What conflicts? > There might be possible conflicts when accessing the same USI register from both serial driver and USIv2 driver. Also there will be conflicts when trying to access the same I/O address space in those both drivers. > What duplication? All you did here was delete code. > It's all explained in [PATCH 0/8], but long story short, I've added USIv2 driver (in this series) which handles the code that's removed from serial driver in this patch. > confused, > > greg k-h