Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp218452rwb; Thu, 1 Dec 2022 01:05:11 -0800 (PST) X-Google-Smtp-Source: AA0mqf4JIJkiwq0RCJNEpJTEfM+QjhQnKANI0j4e0UZE7vmyvjEAkhZ7oxscuz4VucLDK2R5Tkd8 X-Received: by 2002:a50:ef04:0:b0:46b:a74:b3d5 with SMTP id m4-20020a50ef04000000b0046b0a74b3d5mr18748929eds.155.1669885510968; Thu, 01 Dec 2022 01:05:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669885510; cv=none; d=google.com; s=arc-20160816; b=DjR2QwjtIzqEJ1166ooX9/1oV+oF4N9A+SORbtq1wnmR1NdO5B/LK48UFl7wL64m1r XoRM5yJwEtpiA59Rr3DZnrIQjq4hd+rMhqGWrSJqGthi/izFywOnaxRojRKEsALAKzIS AFxU6jAiW0iOW43gzt0IUbsR76UAD3nkw7/AtxMIMTqCFAu5Tv5JRUqp4hPd3kaKfU9A HB51Pe/zCmOmkLmKgNOtlKgdy21vNgliT9UsqJHeI2p9EIgVBhZWekjdNVLHfH9Bz7Ih rFvGKFLBCqVF85pL3ouTLfQTQWDayqAJ8ZCsTC1PZfKtifOlX89N7nTM8FbGiHDe5ume eT5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to :content-language:references:cc:to:subject:from:user-agent :mime-version:date:message-id:dkim-signature; bh=Q+w2xjkAkAwueTKsnPAAzjGgOfM9pbBn6HnDyrivJKM=; b=yjZuRnpUPjjYAkM9b1CWCxXjLRLFCdHL4UQy4c00fdxRCoPJY9+UqsPPPN0SXpZNbB hXEGSabHVXKy9au8SmVVVApa0i7QRMc4OJ1xOuAKMMrMVWn/oKkvrkixVR2XAHYtHls7 DiOkDWCIoqOF4idQ+nEc9lbHgV6boeSXln8h1pbve+ucHSf/nGNWe66oeHtaDYtuoCEe 2Qi1+4NBU2aq/Z6npJ8yyoPBoat7aoebb3tqvBIGT1cXNaCI7mETyWGJryLt0BlWGKOI 5eA5nqNujwxpiSultW+9SalbBgqBGuG6Sq9VzVcUw0hN6vY85g6dAUj3FuhDMaMa0MPe fenA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=WdKKvLiD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id l8-20020a056402124800b00469229ef941si3112464edw.468.2022.12.01.01.04.51; Thu, 01 Dec 2022 01:05:10 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=WdKKvLiD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229950AbiLAIsX (ORCPT + 82 others); Thu, 1 Dec 2022 03:48:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229939AbiLAIrr (ORCPT ); Thu, 1 Dec 2022 03:47:47 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6560FDFC6 for ; Thu, 1 Dec 2022 00:47:18 -0800 (PST) Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (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: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 4525E6602A81; Thu, 1 Dec 2022 08:47:14 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1669884434; bh=TB5bLrpKXkDRMFvWFAAHuFF1CR0GtLXdKBtS2KeNsgk=; h=Date:From:Subject:To:Cc:References:In-Reply-To:From; b=WdKKvLiDbZ5CL/lgLFU5onzxpqdklw229IC7HfGsRNaIQ6uOgX6IONurkSzOCHoeK rxUavI8ph2aaXDzEWpIr4mJab/E/hBwRm8WEBNHpZ+0vYt5SNgZi3LUwWle7DQLtC8 QXCsnqZ3SE56b4IImBdljrDWT6pkObBJZtXL+OJP85fN4D2ILKsC2BpHBtMkMLviQ4 xvqa242prCZd7fSPGXwgqRuA5yr07wTVV1aTnyKwu3y1bmzqKz3FvRMVaZFCG89ADq E8DS+tzoUVUs33qPwjWYstxgSzBR11dfF0h7mins8qs1Wi/IuZz16wbBrhZ0/waAud pTjMmWysnytMw== Message-ID: Date: Thu, 1 Dec 2022 09:47:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 From: AngeloGioacchino Del Regno Subject: Re: [PATCH v3] mailbox: mtk-cmdq: Do not request irq until we are ready To: Ricardo Ribalda , Jassi Brar , Matthias Brugger Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org References: <20221125-mtk-mailbox-v3-0-c4b635052b65@chromium.org> Content-Language: en-US In-Reply-To: <20221125-mtk-mailbox-v3-0-c4b635052b65@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 30/11/22 13:58, Ricardo Ribalda ha scritto: > If the system comes from kexec() the peripheral might trigger an IRQ > befoe we are ready for it. Triggering a crash due to an access to > invalid memory. > > Signed-off-by: Ricardo Ribalda Reviewed-by: AngeloGioacchino Del Regno