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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 745D7FC6195 for ; Fri, 8 Nov 2019 15:16:24 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 485B7222C5 for ; Fri, 8 Nov 2019 15:16:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="J1j/Uias" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 485B7222C5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 28BA2DD8; Fri, 8 Nov 2019 15:16:22 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 076B2DC6 for ; Fri, 8 Nov 2019 15:16:21 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C47F887D for ; Fri, 8 Nov 2019 15:16:20 +0000 (UTC) Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 97B06222C6; Fri, 8 Nov 2019 15:16:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573226180; bh=LpveQr5gCY/b/ZvJFMy1ru71q14LgaJP5KNjnL2W3yY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J1j/Uiaswaf35McUWOJYZ16KOpxVDV/mtdbcOZKsq2TplH5DR2VAm7Nbho4u2l6BV pES7gp0f1pI4X99RhNEr5osYIaAWXgXoNHerj2mM2ycLrKhz/dgt6HF4Ci7F7LG+46 mVrXevXy+I6s9wzbyjp8XYSopKYG4J1mkTOENQSo= From: Will Deacon To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/9] iommu/of: Request ACS from the PCI core when configuring IOMMU linkage Date: Fri, 8 Nov 2019 15:16:01 +0000 Message-Id: <20191108151608.20932-3-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108151608.20932-1-will@kernel.org> References: <20191108151608.20932-1-will@kernel.org> MIME-Version: 1.0 Cc: "Isaac J. Manjarres" , Jean-Philippe Brucker , Saravana Kannan , Robin Murphy , Bjorn Helgaas , Will Deacon X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org To avoid having to export 'pci_request_acs()' to modular IOMMU drivers, move the call into the 'of_dma_configure()' path in a similar manner to the way in which ACS is configured when probing via ACPI/IORT. Signed-off-by: Will Deacon --- drivers/iommu/of_iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 614a93aa5305..78faa9f73a91 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -177,6 +177,7 @@ const struct iommu_ops *of_iommu_configure(struct device *dev, .np = master_np, }; + pci_request_acs(); err = pci_for_each_dma_alias(to_pci_dev(dev), of_pci_iommu_init, &info); } else if (dev_is_fsl_mc(dev)) { -- 2.24.0.rc1.363.gb1bccd3e3d-goog _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu