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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 387ADC32771 for ; Thu, 9 Jan 2020 06:00:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B6312072A for ; Thu, 9 Jan 2020 06:00:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="r3DqpCgs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728060AbgAIGAZ (ORCPT ); Thu, 9 Jan 2020 01:00:25 -0500 Received: from mail-lj1-f193.google.com ([209.85.208.193]:44018 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728017AbgAIGAV (ORCPT ); Thu, 9 Jan 2020 01:00:21 -0500 Received: by mail-lj1-f193.google.com with SMTP id a13so5825562ljm.10; Wed, 08 Jan 2020 22:00:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=jdjS6K2dIf4AKtftWVFNoSuaQ6gkNryIMRphxB0WPic=; b=r3DqpCgsfrrcRXkqqgjNkSRcJV6mAIHAXcB/Es/dGepwDboRjHlTRB50mEbmSRav0h oA/zMRGTcAgZHj0jlwpU0TZVMS7ylSdCX8z++bWi7WG5MxsKwSRiVT8I/7VLFqRdShDE fzAG1hfJsN0hoCtd93RkjyUg0YD/WLfBIBfXzXc1yE0hlNH8Ai5V1guSuC7JZn/Y53Qw zZ0nHX59S8fuORc/P7dAnvXh/kbzFIDflq/ntCpGsjAr9ihxAWdgkpze7YGm1nV0Ds69 UyDmoFuXeaCqnER4R51ZQH9Mfype/zxLBg9zzimVtIRnlLD5pdZi0yJpmEFq+xyPSVzG 8R5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=jdjS6K2dIf4AKtftWVFNoSuaQ6gkNryIMRphxB0WPic=; b=mp/4aYu99NJ80uDaU8oWzi+QfxYLZRE3us3NsYsGEy/AdbIqTR9CCubs6BeNz390Zq EsOZPlVAZr6WGJOwgKPpq2FUPY5LUFMrUo2YIghAcYlxa9pkL10AWadodo0ROFxF4Erl Vfg7uHzHLtXnsHke3/55b/SRVkqiEjiqON7VGrCqTVbFd0Py7p46g2yB7+zC0/w1mEOM thCrUYUc6gPB0Hy7qCxUe88oP27Z6cE9zuGCx1GnWwcFjRvSNd05iLgmF7UfuSkLcAkw Fw67+/ZWHHMn4V1qQes5iRmjKAnstC4DKZYzRZ2UlSMrGupsD/oIzJMbHEWnApEzUe20 HvKw== X-Gm-Message-State: APjAAAXUcNZERb8DPgwqR0LKhWHhS9SkWaANUR+c+FjuvsRNsTO5glJx kfd9xU0ph4lOn9UdK33xU9hbNeSU X-Google-Smtp-Source: APXvYqxu08nOLwdO35di1kCgbajKiCZxvikl5+mhzPOA7uD3hfkdbIDcg4B0CkCG30IfZCp2pVL84w== X-Received: by 2002:a2e:b4cf:: with SMTP id r15mr5368398ljm.52.1578549618663; Wed, 08 Jan 2020 22:00:18 -0800 (PST) Received: from [192.168.2.145] (79-139-233-37.dynamic.spd-mgts.ru. [79.139.233.37]) by smtp.googlemail.com with ESMTPSA id z5sm2305493lji.40.2020.01.08.22.00.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jan 2020 22:00:18 -0800 (PST) Subject: Re: [PATCH v3] regmap: add iopoll-like atomic polling macro To: Sameer Pujar , broonie@kernel.org Cc: jonathanh@nvidia.com, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org References: <1578546590-24737-1-git-send-email-spujar@nvidia.com> From: Dmitry Osipenko Message-ID: Date: Thu, 9 Jan 2020 09:00:17 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <1578546590-24737-1-git-send-email-spujar@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 09.01.2020 08:09, Sameer Pujar пишет: > This patch adds a macro 'regmap_read_poll_timeout_atomic' that works > similar to 'readx_poll_timeout_atomic' defined in linux/iopoll.h; This > is atomic version of already available 'regmap_read_poll_timeout' macro. > > It should be noted that above atomic macro cannot be used by all regmaps. > If the regmap is set up for atomic use (flat or no cache and MMIO) then > only it can use. > > Signed-off-by: Sameer Pujar > --- Could you please explain what is the targeted use-case here?