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 08104C43461 for ; Thu, 6 May 2021 19:52:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D878E613C2 for ; Thu, 6 May 2021 19:52:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233273AbhEFTxM (ORCPT ); Thu, 6 May 2021 15:53:12 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:29052 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231232AbhEFTxI (ORCPT ); Thu, 6 May 2021 15:53:08 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1620330730; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=6TDC3auy+8mYaeb2hiBwvgL0s2tne64o+j+y6gLua5o=; b=BIiReAEh2AtO4z1ibCS9ebzS/RAtCyJG+3lU4gu8DnOQy7xw1NXfIzxzHY+oMhkDcHAskrZ+ zHmObKA8Lfm+BGd7UBOmlkNdYB+K2knYkSmbT+GyViQd5QvthzYYpTkQiJ81Dp63zh1QJTJS Nzg+TIy07FN8fWT0ysI+kTxSjnM= 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-n02.prod.us-east-1.postgun.com with SMTP id 609448dec06dd10a2d5d24e3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 06 May 2021 19:51:58 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 95578C43148; Thu, 6 May 2021 19:51:57 +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 53D47C43152; Thu, 6 May 2021 19:51:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 53D47C43152 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 5/6] bus: mhi: pci_generic: Set register access length for MHI driver Date: Thu, 6 May 2021 12:51:44 -0700 Message-Id: <1620330705-40192-6-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 MHI driver requires register space length to add range checks and prevent memory region accesses outside of that for MMIO space. Set it from the PCI generic controller driver before registering the MHI controller. Signed-off-by: Bhaumik Bhatt Reviewed-by: Hemant Kumar Reviewed-by: Loic Poulain --- drivers/bus/mhi/pci_generic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 7c810f0..fb7889f 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -463,6 +463,7 @@ static int mhi_pci_claim(struct mhi_controller *mhi_cntrl, return err; } mhi_cntrl->regs = pcim_iomap_table(pdev)[bar_num]; + mhi_cntrl->reg_len = pci_resource_len(pdev, bar_num); err = pci_set_dma_mask(pdev, dma_mask); if (err) { -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project