Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754711AbbKBVex (ORCPT ); Mon, 2 Nov 2015 16:34:53 -0500 Received: from o1.f.az.sendgrid.net ([208.117.55.132]:54948 "EHLO o1.f.az.sendgrid.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754325AbbKBVdd (ORCPT ); Mon, 2 Nov 2015 16:33:33 -0500 From: jakeo@microsoft.com To: gregkh@linuxfoundation.org, kys@microsoft.com, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, tglx@redhat.com, haiyangz@microsoft.com, marc.zyngier@arm.com, bhelgaas@google.com, linux-pci@vger.kernel.org Cc: Jake Oshins Subject: [PATCH v6 4/7] PCI: Add fwnode_handle to pci_sysdata Date: Mon, 2 Nov 2015 21:33:13 +0000 Message-Id: <1446499996-1350-5-git-send-email-jakeo@microsoft.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446499996-1350-1-git-send-email-jakeo@microsoft.com> References: <1446499996-1350-1-git-send-email-jakeo@microsoft.com> X-SG-EID: UsLXQ589HNP4HLBydmD9pgHURQozLYm9XliudupI8Yu9vZHS+i8hdTLQ29viv/B4Ow3I7tax/+53S7 F07VqCF+kwVvtvOu6elsjWaMwwBtowOBL9HyC+pvZ3qxX6O/MOiWP7XLF6x8Ck/G7EVpmUu+queFjr o7sSDhaGYeIsELWTC94zpYa4/x0OqeNEE1DU Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1977 Lines: 64 From: Jake Oshins This patch adds an fwnode_handle to struct pci_sysdata, which is used by the next patch in the series when trying to locate an IRQ domain associated with a root PCI bus. Signed-off-by: Jake Oshins --- arch/x86/include/asm/pci.h | 13 +++++++++++++ include/asm-generic/pci.h | 4 ++++ 2 files changed, 17 insertions(+) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 4625943..fb74453 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -20,6 +20,9 @@ struct pci_sysdata { #ifdef CONFIG_X86_64 void *iommu; /* IOMMU private data */ #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN + void *fwnode; /* IRQ domain for MSI assignment */ +#endif }; extern int pci_routeirq; @@ -41,6 +44,16 @@ static inline int pci_proc_domain(struct pci_bus *bus) } #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN +static inline void *_pci_root_bus_fwnode(struct pci_bus *bus) +{ + struct pci_sysdata *sd = bus->sysdata; + return sd->fwnode; +} + +#define pci_root_bus_fwnode _pci_root_bus_fwnode +#endif + /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */ diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h index f24bc51..3fde985 100644 --- a/include/asm-generic/pci.h +++ b/include/asm-generic/pci.h @@ -21,4 +21,8 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) #define PCI_DMA_BUS_IS_PHYS (1) #endif +#ifndef pci_root_bus_fwnode +#define pci_root_bus_fwnode(bus) ((void)(bus),NULL) +#endif + #endif /* _ASM_GENERIC_PCI_H */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/