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 CB8B7C433B4 for ; Thu, 6 May 2021 19:52:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A567561157 for ; Thu, 6 May 2021 19:52:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231681AbhEFTxI (ORCPT ); Thu, 6 May 2021 15:53:08 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:53446 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbhEFTxD (ORCPT ); Thu, 6 May 2021 15:53:03 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1620330724; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=4URm6TMNEg0BtDa8leczV4WjEYp7gGcx6siwnoF8Vz4=; b=MG1Paczzx63U4PVFCGx3jvdhtCGT1cfzmVRRzTLHXBDVhN6/MBeGC3UiK/O7QC71nvae3bOh DOEVdOmOLIo7jHQ7MZZxOBOSOPJf/qDNhQP/jLHfgfGxBluiGY/PDT5WNTIARIRhSrOcTw3D J2fdTviryPBtVQKEQQ/4YGlgdhY= X-Mailgun-Sending-Ip: 69.72.43.7 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-n02.prod.us-east-1.postgun.com with SMTP id 609448ddc06dd10a2d5d2262 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 06 May 2021 19:51:57 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6A2E2C4479C; Thu, 6 May 2021 19:51:56 +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 DCBCBC43149; Thu, 6 May 2021 19:51:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DCBCBC43149 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, loic.poulain@linaro.org, linux-wireless@vger.kernel.org, kvalo@codeaurora.org, ath11k@lists.infradead.org, Bhaumik Bhatt Subject: [PATCH v4 3/6] bus: mhi: Add MMIO region length to controller structure Date: Thu, 6 May 2021 12:51:42 -0700 Message-Id: <1620330705-40192-4-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1620330705-40192-1-git-send-email-bbhatt@codeaurora.org> References: <1620330705-40192-1-git-send-email-bbhatt@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make controller driver specify the MMIO register region length for range checking of BHI or BHIe space. This can help validate that offsets are in acceptable memory region or not and avoid any boot-up issues due to BHI or BHIe memory accesses. Signed-off-by: Bhaumik Bhatt Reviewed-by: Jeffrey Hugo Reviewed-by: Hemant Kumar --- include/linux/mhi.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 944aa3a..9c347f5 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -303,6 +303,7 @@ struct mhi_controller_config { * @rddm_size: RAM dump size that host should allocate for debugging purpose * @sbl_size: SBL image size downloaded through BHIe (optional) * @seg_len: BHIe vector size (optional) + * @reg_len: Length of the MHI MMIO region (required) * @fbc_image: Points to firmware image buffer * @rddm_image: Points to RAM dump buffer * @mhi_chan: Points to the channel configuration table @@ -386,6 +387,7 @@ struct mhi_controller { size_t rddm_size; size_t sbl_size; size_t seg_len; + size_t reg_len; struct image_info *fbc_image; struct image_info *rddm_image; struct mhi_chan *mhi_chan; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project