From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org ([198.145.29.96]:43198 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753181AbdKVWuK (ORCPT ); Wed, 22 Nov 2017 17:50:10 -0500 From: Sinan Kaya To: linux-pci@vger.kernel.org, timur@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Joerg Roedel , iommu@lists.linux-foundation.org (open list:AMD IOMMU (AMD-VI)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH V2 12/29] iommu/amd: deprecate pci_get_bus_and_slot() Date: Wed, 22 Nov 2017 17:49:07 -0500 Message-Id: <1511390964-9979-13-git-send-email-okaya@codeaurora.org> In-Reply-To: <1511390964-9979-1-git-send-email-okaya@codeaurora.org> References: <1511390964-9979-1-git-send-email-okaya@codeaurora.org> Sender: linux-pci-owner@vger.kernel.org List-ID: pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as where a PCI device is present. This restricts the device drivers to be reused for other domain numbers. Getting ready to remove pci_get_bus_and_slot() function in favor of pci_get_domain_bus_and_slot(). Hard-code the domain number as 0 for the AMD IOMMU driver. Signed-off-by: Sinan Kaya --- drivers/iommu/amd_iommu.c | 3 ++- drivers/iommu/amd_iommu_init.c | 9 +++++---- drivers/iommu/amd_iommu_v2.c | 3 ++- 3 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 8e8874d..2c3452f 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -528,7 +528,8 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id, struct iommu_dev_data *dev_data = NULL; struct pci_dev *pdev; - pdev = pci_get_bus_and_slot(PCI_BUS_NUM(devid), devid & 0xff); + pdev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(devid), + devid & 0xff); if (pdev) dev_data = get_dev_data(&pdev->dev); diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 6fe2d03..4e4a615 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1697,8 +1697,8 @@ static int iommu_init_pci(struct amd_iommu *iommu) u32 range, misc, low, high; int ret; - iommu->dev = pci_get_bus_and_slot(PCI_BUS_NUM(iommu->devid), - iommu->devid & 0xff); + iommu->dev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(iommu->devid), + iommu->devid & 0xff); if (!iommu->dev) return -ENODEV; @@ -1764,8 +1764,9 @@ static int iommu_init_pci(struct amd_iommu *iommu) if (is_rd890_iommu(iommu->dev)) { int i, j; - iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number, - PCI_DEVFN(0, 0)); + iommu->root_pdev = + pci_get_domain_bus_and_slot(0, iommu->dev->bus->number, + PCI_DEVFN(0, 0)); /* * Some rd890 systems may not be fully reconfigured by the diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 7d94e1d..8696382 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -564,7 +564,8 @@ static int ppr_notifier(struct notifier_block *nb, unsigned long e, void *data) finish = (iommu_fault->tag >> 9) & 1; devid = iommu_fault->device_id; - pdev = pci_get_bus_and_slot(PCI_BUS_NUM(devid), devid & 0xff); + pdev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(devid), + devid & 0xff); if (!pdev) return -ENODEV; dev_data = get_dev_data(&pdev->dev); -- 1.9.1