From patchwork Sat May 10 15:03:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 4148481 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 708789F1E1 for ; Sat, 10 May 2014 15:04:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 99B56201E7 for ; Sat, 10 May 2014 15:04:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB581201C0 for ; Sat, 10 May 2014 15:04:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757922AbaEJPEC (ORCPT ); Sat, 10 May 2014 11:04:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16578 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757847AbaEJPD7 (ORCPT ); Sat, 10 May 2014 11:03:59 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s4AF3tWY017766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 10 May 2014 11:03:55 -0400 Received: from bling.home (ovpn-113-44.phx2.redhat.com [10.3.113.44]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s4AF3sGC028235; Sat, 10 May 2014 11:03:55 -0400 Subject: [PATCH v3 15/15] PCI: Remove pci_get_dma_source() From: Alex Williamson To: linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org Cc: bhelgaas@google.com, acooks@gmail.com, linux-kernel@vger.kernel.org, linux@horizon.com Date: Sat, 10 May 2014 09:03:54 -0600 Message-ID: <20140510150354.2997.57688.stgit@bling.home> In-Reply-To: <20140510145619.2997.429.stgit@bling.home> References: <20140510145619.2997.429.stgit@bling.home> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It has no users; replaced by dma_func_alias. Signed-off-by: Alex Williamson --- drivers/pci/quirks.c | 51 -------------------------------------------------- include/linux/pci.h | 5 ----- 2 files changed, 56 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 652b49e..df814a2 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3404,57 +3404,6 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB388_ESD, quirk_dma_func1_alias); -static struct pci_dev *pci_func_0_dma_source(struct pci_dev *dev) -{ - if (!PCI_FUNC(dev->devfn)) - return pci_dev_get(dev); - - return pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); -} - -static const struct pci_dev_dma_source { - u16 vendor; - u16 device; - struct pci_dev *(*dma_source)(struct pci_dev *dev); -} pci_dev_dma_source[] = { - /* - * https://bugzilla.redhat.com/show_bug.cgi?id=605888 - * - * Some Ricoh devices use the function 0 source ID for DMA on - * other functions of a multifunction device. The DMA devices - * is therefore function 0, which will have implications of the - * iommu grouping of these devices. - */ - { PCI_VENDOR_ID_RICOH, 0xe822, pci_func_0_dma_source }, - { PCI_VENDOR_ID_RICOH, 0xe230, pci_func_0_dma_source }, - { PCI_VENDOR_ID_RICOH, 0xe832, pci_func_0_dma_source }, - { PCI_VENDOR_ID_RICOH, 0xe476, pci_func_0_dma_source }, - { 0 } -}; - -/* - * IOMMUs with isolation capabilities need to be programmed with the - * correct source ID of a device. In most cases, the source ID matches - * the device doing the DMA, but sometimes hardware is broken and will - * tag the DMA as being sourced from a different device. This function - * allows that translation. Note that the reference count of the - * returned device is incremented on all paths. - */ -struct pci_dev *pci_get_dma_source(struct pci_dev *dev) -{ - const struct pci_dev_dma_source *i; - - for (i = pci_dev_dma_source; i->dma_source; i++) { - if ((i->vendor == dev->vendor || - i->vendor == (u16)PCI_ANY_ID) && - (i->device == dev->device || - i->device == (u16)PCI_ANY_ID)) - return i->dma_source(dev); - } - - return pci_dev_get(dev); -} - /* * AMD has indicated that the devices below do not support peer-to-peer * in any system where they are found in the southbridge with an AMD diff --git a/include/linux/pci.h b/include/linux/pci.h index 64184d5..c7183be 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1532,16 +1532,11 @@ enum pci_fixup_pass { #ifdef CONFIG_PCI_QUIRKS void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev); -struct pci_dev *pci_get_dma_source(struct pci_dev *dev); int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags); void pci_dev_specific_enable_acs(struct pci_dev *dev); #else static inline void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) { } -static inline struct pci_dev *pci_get_dma_source(struct pci_dev *dev) -{ - return pci_dev_get(dev); -} static inline int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) {