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 4F913C6FD1C for ; Tue, 21 Mar 2023 02:07:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229736AbjCUCHy (ORCPT ); Mon, 20 Mar 2023 22:07:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbjCUCHw (ORCPT ); Mon, 20 Mar 2023 22:07:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A08AF33471; Mon, 20 Mar 2023 19:07:49 -0700 (PDT) Received: from [192.168.2.81] (109-252-120-116.nat.spd-mgts.ru [109.252.120.116]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id 22ED46602179; Tue, 21 Mar 2023 02:07:47 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1679364467; bh=ZOJqWsivZeSOUQy/aPgiOfZ9KXY9x67+cSZ+slXM7cA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=M4jWVDbzL3MD/wvZWEEj8yc0jXdg+i0Jp/2DDmwVkrU+gkKHj31FaS3zr+rdacQLu 3Dfhrdjsv6QHAM1/F3ISn8j1kMgo7rz2cxKeUouQcd7cwuw171CnjDKtXaTsm1MEm2 tU3Qdrf01bOJS3bf8snEdQLZ5YZFvA0T20XyPACOkGZSF+tIzK+QtPJ3gT3WCEPk7J /GLl/giCaqydSZ1dy1V/ZqSe60jr/JQjTdaRprLaj+3hjXBlv70lNOubAz7gmsvEqc 1CnDuqJCWmLKL1KptWpVVwKTmErsHvB9ssXQA+twEAi8DvMX7/aQgxQHZjcne6l10Q tq+6Wv3p7p3jw== Message-ID: Date: Tue, 21 Mar 2023 05:07:44 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v2 2/2] mfd: tps6586x: register restart handler To: Benjamin Bara , lee@kernel.org, Wolfram Sang Cc: jonathanh@nvidia.com, treding@nvidia.com, richard.leitner@linux.dev, benjamin.bara@skidata.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230320220345.1463687-1-bbara93@gmail.com> <20230320220345.1463687-3-bbara93@gmail.com> Content-Language: en-US From: Dmitry Osipenko In-Reply-To: <20230320220345.1463687-3-bbara93@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/21/23 01:03, Benjamin Bara wrote: > +static int tps6586x_restart_handler(struct sys_off_data *data) > +{ > + unsigned long flags; > + struct device *tps6586x_dev = (struct device *)data->cb_data; > + > + /* bring pmic into HARD REBOOT state, enforce atomic i2c xfer */ > + local_irq_save(flags); > + tps6586x_set_bits(tps6586x_dev, TPS6586X_SUPPLYENE, SOFT_RST_BIT); > + local_irq_restore(flags); Please change i2c_in_atomic_xfer_mode() to use preemptible() instead of irqs_disabled() and drop the local_irq_save/restore. -- Best regards, Dmitry