From patchwork Thu May 6 19:32:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhaumik Bhatt X-Patchwork-Id: 432442 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 CFCE2C43600 for ; Thu, 6 May 2021 19:33:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE3BE6103E for ; Thu, 6 May 2021 19:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235496AbhEFTen (ORCPT ); Thu, 6 May 2021 15:34:43 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:28855 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235416AbhEFTej (ORCPT ); Thu, 6 May 2021 15:34:39 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1620329620; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=ZHIqZvWXp53fObQCxuPUFJVKewAlJDrBY9iv+kFpWEE=; b=oSH3z+ve91EwqMZqcmPv1WwQjwROpFdFltAM+RywDCabw32kHgVJwg0vImN57XMF/vDmDBBo ghOUuDArkGqn+wbpuJnCkFVvQlSVEygkf2wdPN51bme1HDYTjUY5P3L8IbWI1k22fAGSV0kw nnFE9WDa3E4hVLclrWIugp7I8EA= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 60944485853c0a2c461d67ae (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 06 May 2021 19:33:25 GMT Sender: bbhatt=qti.qualcomm.com@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 74D8AC4338A; Thu, 6 May 2021 19:33:24 +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 729C7C43152; Thu, 6 May 2021 19:33:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 729C7C43152 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=pass (p=none dis=none) header.from=qti.qualcomm.com Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=pass smtp.mailfrom=bbhatt@qti.qualcomm.com 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 12:32:24 -0700 Message-Id: <1620329545-32328-6-git-send-email-bbhatt@qti.qualcomm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1620329545-32328-1-git-send-email-bbhatt@qti.qualcomm.com> References: <1620329545-32328-1-git-send-email-bbhatt@qti.qualcomm.com> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Bhaumik Bhatt 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) {