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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 CB43FC433C1 for ; Tue, 30 Mar 2021 01:29:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B410461601 for ; Tue, 30 Mar 2021 01:29:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231233AbhC3B3E (ORCPT ); Mon, 29 Mar 2021 21:29:04 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:24557 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229483AbhC3B2t (ORCPT ); Mon, 29 Mar 2021 21:28:49 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617067729; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=eUgW4smZZtdCOn58OdQF0Ryg9Mr/KO+vvNEEsuAJDe4=; b=Wt1LrM74xIjPQ1S6RlVwcI9dTRBr/WV2J0YWtpa5hkdMQ0yM5qUGF0NIYv0v5Fj8dcjROn4S q9od7EHjCIof/5erPXif+CXg9LVD0jS+GDUqi9zmNPHGAqWmfcfKmx927BmChlIK9dqvDCf2 kOwS2POOXnQt4o+/U4wstTkp6LM= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 60627ebfbff8e3e1d417967b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 30 Mar 2021 01:28:31 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 0BBABC433C6; Tue, 30 Mar 2021 01:28:31 +0000 (UTC) Received: from malabar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id D2B4CC433C6; Tue, 30 Mar 2021 01:28:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D2B4CC433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=bbhatt@codeaurora.org From: Bhaumik Bhatt To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, carl.yin@quectel.com, naveen.kumar@quectel.com, loic.poulain@linaro.org, abickett@codeaurora.org, Bhaumik Bhatt Subject: [PATCH v1 1/7] bus: mhi: core: Rely on accurate method to determine EDL mode Date: Mon, 29 Mar 2021 18:28:18 -0700 Message-Id: <1617067704-28850-2-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617067704-28850-1-git-send-email-bbhatt@codeaurora.org> References: <1617067704-28850-1-git-send-email-bbhatt@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Relying on the current execution environment to determine if EDL image was downloaded should not be done as the execution environment can change at this point in error cases and we may misread it. Instead, MHI can rely on the local 'fw_name' variable as a safer alternative. Signed-off-by: Bhaumik Bhatt Reviewed-by: Manivannan Sadhasivam --- drivers/bus/mhi/core/boot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/bus/mhi/core/boot.c b/drivers/bus/mhi/core/boot.c index 08c2874..84c2117 100644 --- a/drivers/bus/mhi/core/boot.c +++ b/drivers/bus/mhi/core/boot.c @@ -460,7 +460,8 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) goto error_fw_load; } - if (mhi_cntrl->ee == MHI_EE_EDL) { + /* Exit if EDL image was loaded */ + if (fw_name == mhi_cntrl->edl_image) { release_firmware(firmware); return; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project