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 44749C433EF for ; Fri, 28 Jan 2022 10:23:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347847AbiA1KXM (ORCPT ); Fri, 28 Jan 2022 05:23:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbiA1KXM (ORCPT ); Fri, 28 Jan 2022 05:23:12 -0500 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2AE9C061714; Fri, 28 Jan 2022 02:23:11 -0800 (PST) Received: by mail-lf1-x12e.google.com with SMTP id u14so10761187lfo.11; Fri, 28 Jan 2022 02:23:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=x/9CSXvgs7itWENuvqfwnHsLwy/dW8BRtkhJB5JxTZM=; b=aXkn21kttW5XZ4d68NPV9wmASb9mf0RHDdkv6aulozhRSlQW34zPV7+ur53K14vwwh IcICBR1PxZQfYDwSPVaTfmQgpL6iPHnjKMg5F0NKkRlJbUWKmCsZJzpI2VduiaENRn7y ZF0+eHElCngqXmKKPODJHRTUDw1Cvn+Ljx/2WdORDAK/i8ro3GxZEoJQGLHxvkCkPQT7 d7tgs/0TYqx5KhulapVwyCqEhatGxB16EzVySjZHiIMAL0sLh5WN+bP3BZ3KjgwowI7I V+14HotO3p5eCDVnU9OOzp4dh9Qbx160uk5ijngcQF96omkN3+AdROuYvAun0AAcqSoz DcVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=x/9CSXvgs7itWENuvqfwnHsLwy/dW8BRtkhJB5JxTZM=; b=grVT9CrI5A30p3asDk+da9dc5Gj7vz9HKbM/BOK8Wd4eNjzMEUoRhu01ZrIePmku1K pHEkUc/Tkc+prb3Oj7r9f3p2cODnlNmeC2584WWTwlfZafZfLadFSwdvHLHBH238YF16 q16QTRXWvBIU1nNi0wNgqWp1WOThQZPCWdAOCK6z3E2qDy33cpvs2nIopFP67T0ML2M/ ME/NcKqS8wA6Cj6vN9FJHci+pOMl3KcUfZ4ioHcIXl3suUf5PKCcrdRbbqm4AV3BvWh1 OMX3ZNwFcfy4LHG9n8+eZZsdwKWNq5Q97Xr03TStCvlwaFHwDPeG0XobrnuTf/6p7dVE BMrA== X-Gm-Message-State: AOAM532B/wI27Ptsi1laaKpl4xS2lQxQsS/0OxL6gLymqiS1YjbgsXAI Ivc9WIhmC5T1B6/fxw2ougg= X-Google-Smtp-Source: ABdhPJwxbAYkS9/zKQirmZw5BCnQdN8trlg3dDjqY6SqJZzRCjj27U6ilBxgsbR6RGVKu/bAlx/kQA== X-Received: by 2002:a05:6512:39c2:: with SMTP id k2mr5582026lfu.586.1643365390218; Fri, 28 Jan 2022 02:23:10 -0800 (PST) Received: from [192.168.1.103] ([31.173.81.83]) by smtp.gmail.com with ESMTPSA id u25sm626293ljg.134.2022.01.28.02.23.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Jan 2022 02:23:09 -0800 (PST) Subject: Re: [PATCH 4/7] mfd: hi6421-spmi-pmic: Use generic_handle_irq_safe(). To: Sebastian Andrzej Siewior , greybus-dev@lists.linaro.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, linux-usb@vger.kernel.org, netdev@vger.kernel.org Cc: "David S. Miller" , Alex Elder , Arnd Bergmann , Greg Kroah-Hartman , Hans de Goede , Jakub Kicinski , Johan Hovold , Lee Jones , Rui Miguel Silva , Thomas Gleixner , UNGLinuxDriver@microchip.com, Wolfram Sang , Woojung Huh References: <20220127113303.3012207-1-bigeasy@linutronix.de> <20220127113303.3012207-5-bigeasy@linutronix.de> From: Sergei Shtylyov Message-ID: <44b42c37-67a4-1d20-e2ff-563d4f9bfae2@gmail.com> Date: Fri, 28 Jan 2022 13:23:08 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20220127113303.3012207-5-bigeasy@linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On 1/27/22 2:33 PM, Sebastian Andrzej Siewior wrote: > generic_handle_irq() is invoked from a regular interrupt service > routing. This handler will become a forced-threaded handler on s/routing/routine/? > PREEMPT_RT and will be invoked with enabled interrupts. The > generic_handle_irq() must be invoked with disabled interrupts in order > to avoid deadlocks. > > Instead of manually disabling interrupts before invoking use > generic_handle_irq() which can be invoked with enabled and disabled > interrupts. > > Signed-off-by: Sebastian Andrzej Siewior [...] MBR, Sergey