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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1060DC433EF for ; Wed, 13 Apr 2022 09:32:10 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 3472383BE5; Wed, 13 Apr 2022 11:31:43 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1649842303; bh=yxiepkBXnG5/w+mH7Bdqufw6/KfvsiSh37CD6mvSAvI=; h=From:To:Subject:In-reply-to:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=kwvni86TRSRKu27d7OsRj/fbNaloV7Ey8hIHgpAEMr3SHbnrKdFleFwxC230KNoFD dew5E+mwjqQ3pupw1CwzcnoCG3t4b/5lGlPJsloOWV4kozLfGcQjnPz1r8JZMuQVQS EotXvSX4WXQMHNtyx0AJBguSdTlPOqLvMVpglWfHp2NXLQhptJwvWWPaQgBgb7XMyH rn4nxA4At3/xxw8uyrUku9QbIrQ6MVSQ746c4KjCTGAK9v2jJwznG0cUChkkatSqk2 i/Rw6ZOIt3MIn++SGQPUyKGI3yyc3EBKPHGcatbUrE/tVzeUqmv1qgNCtHIeybOL8s HlkppbbvBbvzQ== Received: by phobos.denx.de (Postfix, from userid 109) id 4E22C83BBF; Wed, 13 Apr 2022 11:31:36 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 47F7683BCF for ; Wed, 13 Apr 2022 11:31:30 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4KdcmK6pNyz1r1Mk; Wed, 13 Apr 2022 11:31:29 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4KdcmK6hvHz1qqkC; Wed, 13 Apr 2022 11:31:29 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id MM1e9ZZgVeHx; Wed, 13 Apr 2022 11:31:29 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Wed, 13 Apr 2022 11:31:29 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 1616462 X-Patchwork-Delegate: sbabic@denx.de To: Marek Vasut ,u-boot@lists.denx.de Subject: [PATCH v3] ARM: imx: Get rid of only i.MX8M SMCCC arch call In-reply-to: <20220412224026.194896-1-marex@denx.de> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20220413093136.4E22C83BBF@phobos.denx.de> Date: Wed, 13 Apr 2022 11:31:30 +0200 (CEST) X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean > This is the only place where i.MX8M code does SMCCC call, remove it. > The output has little value as it prints some part of commit ID, and > worse, if there is no SMC handler installed, the code outright hangs > or crashes the system. > By removing this one instance of SMCCC call, U-Boot no longer depends > on SMC handlers and can boot without hanging in any case. If there is > a need to dump this commit ID, use CMD_SMC instead and do 'smc' call > from U-Boot shell or scripts instead of hard-coding SMCCC dependency > into architecture code. This particular code can be replaced by: > => smc 0xc2000003 0 0 0 0 0 0 > Reviewed-by: Peng Fan > Signed-off-by: Marek Vasut > Cc: Fabio Estevam > Cc: Peng Fan > Cc: Stefano Babic Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================