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[209.132.180.67]) by mx.google.com with ESMTP id m14si13106288pgj.377.2019.06.17.23.42.55; Mon, 17 Jun 2019 23:43:23 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=kY0hE6X5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728158AbfFRGmh (ORCPT + 99 others); Tue, 18 Jun 2019 02:42:37 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:16189 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726446AbfFRGm0 (ORCPT ); Tue, 18 Jun 2019 02:42:26 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 17 Jun 2019 23:32:46 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 17 Jun 2019 23:32:45 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 17 Jun 2019 23:32:45 -0700 Received: from [10.26.11.141] (172.20.13.39) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 18 Jun 2019 06:32:42 +0000 Subject: Re: [PATCH V1] i2c: tegra: disable irq in tegra_i2c_xfer_msg To: Bitan Biswas , Laxman Dewangan , Thierry Reding , , , , Peter Rosin , Wolfram Sang , Dmitry Osipenko CC: Shardar Mohammed , Sowjanya Komatineni , Mantravadi Karthik References: <1560835386-2865-1-git-send-email-bbiswas@nvidia.com> From: Jon Hunter Message-ID: <30d1d048-f474-f1fb-6415-ee6389900032@nvidia.com> Date: Tue, 18 Jun 2019 07:32:40 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <1560835386-2865-1-git-send-email-bbiswas@nvidia.com> X-Originating-IP: [172.20.13.39] X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1560839566; bh=36AfYXlVRsIoRYgUu6dWpzivHUbZQ39MsVKao4WnHfE=; h=X-PGP-Universal:Subject:To:CC:References:From:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=kY0hE6X5Z5s5Kt/F5TcMUn842rvnQIIrOM8tb1SCa2FxEQYtNnoJBGWfFzCSSJvzH EubDQzNfMSuSGsgWi/37RYYEw/cUNWGCLIyaVFd7IYd3Kd/U9JG4vwGxV9rvMzP+f2 KhVt/Dkph9ZaaL3xEVZrPuEpEiQBw687VetjNgzIrwKp89qIRBWSbh9st2o/4ixpsJ VW8gNsiOX8aSQal9sL69b7+kw1BpXiSb3fsXbokFtwEozpMK049eo1z6trKatajUtl +detDi5RcfTMtBYxEXi08tlEZ2kXNeGRlDugGL7sp9GR7yEpAO9BthfyHfaZ9e17nk 3pW2Im5oNYYpQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/06/2019 06:23, Bitan Biswas wrote: > Synchronize ISR and tegra_i2c_xfer_msg execution > by disabling interrupt. This avoids spinlock usage > for same purpose. I think that you need to explain the motivation/benefit of this. It is not immediately clear to me. Sorry if I have missed some previous discussion. Jon -- nvpublic