From patchwork Tue May 26 11:49:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhangfei Gao X-Patchwork-Id: 11570415 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BD60B14F6 for ; Tue, 26 May 2020 11:50:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3C7520787 for ; Tue, 26 May 2020 11:50:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="cSls9zjl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732019AbgEZLuR (ORCPT ); Tue, 26 May 2020 07:50:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732015AbgEZLuQ (ORCPT ); Tue, 26 May 2020 07:50:16 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAB89C03E979 for ; Tue, 26 May 2020 04:50:16 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id t16so8591474plo.7 for ; Tue, 26 May 2020 04:50:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=rzP5fzn/E340EPlW7gDpFBlyEkfSVaF1oJz6fYo76k8=; b=cSls9zjl0whNH0eR/l2i02O95OOhgGrNGwM26ZGFvkQW9VtZxJfxlywizJRke/rmbm DjeTG2qfQRIUFCJCYqf3IQGjZY5BYNOiPnuTiljaUSiUooWYyRzwspOmUiqDqG0M0ZC0 NH/f8WAxs2sULx5ClU2rSJ/IVPF1eLlml+6rdIo1i25jIwEm+AfsqPAhvJRo8r0X4r3K IiHWdbIh+eGq5kqb6u0B/VzWcIY6fcWtE+dhbKonQdK7ew/58LBw5We1pNCxs/7oweP5 Jjm4EUWxVNg2+Xy8U6NcCfQFYKXK3ubEYUyGEqX5s/R/MQ0L946l4eUlakQO2SpHpvOw LfPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rzP5fzn/E340EPlW7gDpFBlyEkfSVaF1oJz6fYo76k8=; b=AN0qQ1TkwWKjac39reICzuEnLKZ4fIcnqWrE2+zne8bXnwWD1KqLXCuOV3SfwUVxrG W9EUJ27ymtdjMTXWNwXThu5eehUO+D7015hpGsZbneIeIk+VTds2eTM3hjsoKEqvHxCy uP1XCG8ed7rLHZb0S1n2z87QXA/j8jdVa5rK1UIyUlsB6a+awJtpHh5MbNrthValzZLA IPoKLjKpNbPRLgeEbEWGogLVET7Mr2G3+ETGP4b7+q1ougmAQeriduiGUKXLdI9n5uKw 6fFisxpX4Pa83qNnFLk1wmtnvEA753OyqNQK+Ykp34YkwEnGKmQJyF5r2/qwiJmbXhWi 1YwQ== X-Gm-Message-State: AOAM532fXZnd9Mu/fW5zYj0pTTyTHUEXpdZFDTxA38t1podvwv7nyNyP Lb0DuOKkILN4X1ZcTDPN6jsE+Q== X-Google-Smtp-Source: ABdhPJzHFiU9uQ9tpgEPP89QRh+ApddGGVo2/M4MgxGlH4yKc3wRc1jVL2ox1xaiLvr1T78JAyGRGQ== X-Received: by 2002:a17:90a:4809:: with SMTP id a9mr26082742pjh.196.1590493816386; Tue, 26 May 2020 04:50:16 -0700 (PDT) Received: from localhost.localdomain ([45.135.186.9]) by smtp.gmail.com with ESMTPSA id c12sm15586567pjm.46.2020.05.26.04.50.02 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 May 2020 04:50:16 -0700 (PDT) From: Zhangfei Gao To: Joerg Roedel , Bjorn Helgaas , Arnd Bergmann , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , "Rafael J. Wysocki" , Len Brown , jean-philippe , Greg Kroah-Hartman , Herbert Xu , kenneth-lee-2012@foxmail.com, Wangzhou Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, iommu@lists.linux-foundation.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, Zhangfei Gao Subject: [PATCH 2/2] iommu: calling pci_fixup_iommu in iommu_fwspec_init Date: Tue, 26 May 2020 19:49:09 +0800 Message-Id: <1590493749-13823-3-git-send-email-zhangfei.gao@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> References: <1590493749-13823-1-git-send-email-zhangfei.gao@linaro.org> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Calling pci_fixup_iommu in iommu_fwspec_init, which alloc iommu_fwnode. Some platform devices appear as PCI but are actually on the AMBA bus, and they need fixup in drivers/pci/quirks.c handling iommu_fwnode. So calling pci_fixup_iommu after iommu_fwnode is allocated. Signed-off-by: Zhangfei Gao --- drivers/iommu/iommu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 7b37542..fb84c42 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2418,6 +2418,10 @@ int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode, fwspec->iommu_fwnode = iommu_fwnode; fwspec->ops = ops; dev_iommu_fwspec_set(dev, fwspec); + + if (dev_is_pci(dev)) + pci_fixup_device(pci_fixup_iommu, to_pci_dev(dev)); + return 0; } EXPORT_SYMBOL_GPL(iommu_fwspec_init);