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 X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1BF4C433F5 for ; Mon, 20 Sep 2021 14:52:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AD1960F46 for ; Mon, 20 Sep 2021 14:52:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240946AbhITOyJ (ORCPT ); Mon, 20 Sep 2021 10:54:09 -0400 Received: from phobos.denx.de ([85.214.62.61]:50482 "EHLO phobos.denx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235913AbhITOyH (ORCPT ); Mon, 20 Sep 2021 10:54:07 -0400 Received: from [IPv6:::1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 952278032E; Mon, 20 Sep 2021 16:52:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1632149559; bh=mWel+Ll5MqcCfFYbNd4hHyMgPVHWMoQLTKADiaroKSs=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=hgjsoXaW0rdyvdHPkxZz7CYCHBOVKu2+0O0Kzj6BroZbCfffsHJTcKpDgo4wILG6D RMPEQ7HQrCPucikaA108bBN/IXoS+hi5e+lsGTaiCzByrqtYDEP/GdMFoXobtnYWPF mJX0Ou/CvhfeX1CYaFq5g8S86/hoSe6HlYKKU+PFHUEX2s4EZ77h3We6rKyFjWmGsG quk7rpy1OgkNwf4EVbf5M1cTJNDuaXtMhJhl14Pc9OvLixtzp3pm+k8zco7ILIu/UR h9JymzNUg4iKYUCTauMMYaDL+enLm/W/GSVWapQ8IkzrarAY7ud1ob+M47NZuolioX p66V4IbZwuPtg== Subject: Re: [PATCH v4 5/9] ARM: imx_v6_v7_defconfig: build imx sdma driver as module To: Marcel Ziswiler , linux-arm-kernel@lists.infradead.org Cc: Marcel Ziswiler , Fabio Estevam , Andreas Kemnade , NXP Linux Team , Pascal Zimmermann , Pengutronix Kernel Team , Russell King , Sascha Hauer , Shawn Guo , linux-kernel@vger.kernel.org References: <20210920144938.314588-1-marcel@ziswiler.com> <20210920144938.314588-6-marcel@ziswiler.com> From: Marek Vasut Message-ID: Date: Mon, 20 Sep 2021 16:52:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210920144938.314588-6-marcel@ziswiler.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/20/21 4:49 PM, Marcel Ziswiler wrote: > From: Marcel Ziswiler > > Build CONFIG_IMX_SDMA as a module to avoid the following boot issue: > > [ 5.214751] imx-sdma 20ec000.sdma: Direct firmware load for > imx/sdma/sdma-imx6q.bin failed with error -2 > [ 5.215762] imx-sdma 20ec000.sdma: Falling back to sysfs fallback > for: imx/sdma/sdma-imx6q.bin Isn't there some ROM-side SDMA firmware baked into the MX6 which is used as a fallback if loading newer one from filesystem fails ? I suspect the default ROM firmware might be buggy.