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[2620:137:e000::1:20]) by mx.google.com with ESMTP id np5-20020a17090b4c4500b002119e6aa0casi1556367pjb.43.2022.11.30.03.33.09; Wed, 30 Nov 2022 03:33:19 -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="HRvIXJ1/"; 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 S233741AbiK3LA1 (ORCPT + 84 others); Wed, 30 Nov 2022 06:00:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230151AbiK3LAX (ORCPT ); Wed, 30 Nov 2022 06:00:23 -0500 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 11202748D6 for ; Wed, 30 Nov 2022 03:00:22 -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 35FC36602B30; Wed, 30 Nov 2022 11:00:21 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1669806021; bh=u9Hf8fb2wkuZTn14GmxwJyRB86szK4ksntM7PiVG0SY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HRvIXJ1/iWohl8AyG5Zl/CkNVTrdyazzQ8aBH2BDVYoLG8sc1lTF8H/bVqxUtwB4R nZQVd9bQosAo2rgf4J2uyAX9iSzGwFwj0R5Bs11GlXijpbKnFi/NR/SNXLN4FZH4wi WHreNcd95chi4SzQv5H3tO+RB+fThoYR6PAUfdAy2sw8XRWLZC/qBBdYiJj6D9TCfw RzBjgpHsMiIPsSaO/JDKwq3wmKKWS6OsK61wjvpvJw9XSJAtKVvRrPpQ1z2J0tA3Al +7cuBycU5FNNQlv5OUqYOhJfx0iX6awXthFgF6xgwSf6qnPuca2/C9AzS3oZXXgvpW oGxUK8RXsJndQ== Message-ID: Date: Wed, 30 Nov 2022 12:00:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH] soc: mediatek: mtk-svs: Enable the IRQ later Content-Language: en-US To: Ricardo Ribalda , Matthias Brugger Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20221127-mtk-svs-v1-0-7a5819595838@chromium.org> From: AngeloGioacchino Del Regno In-Reply-To: <20221127-mtk-svs-v1-0-7a5819595838@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 27/11/22 21:22, Ricardo Ribalda ha scritto: > If the system does not come from reset (like when is booted via > kexec()), the peripheral might triger an IRQ before the data structures > are initialised. > > Fixes: > > [ 0.227710] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000f08 > [ 0.227913] Call trace: > [ 0.227918] svs_isr+0x8c/0x538 > > Signed-off-by: Ricardo Ribalda Reviewed-by: AngeloGioacchino Del Regno