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Date: Sat, 5 Dec 2015 00:36:03 +0000 From: jakeo@...rosoft.com To: gregkh@...uxfoundation.org, kys@...rosoft.com, linux-kernel@...r.kernel.org, devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com, tglx@...utronix.de, haiyangz@...rosoft.com, marc.zyngier@....com, bhelgaas@...gle.com, linux-pci@...r.kernel.org Cc: Jake Oshins <jakeo@...rosoft.com> Subject: [PATCH v7 4/7] PCI: Add fwnode_handle to pci_sysdata From: Jake Oshins <jakeo@...rosoft.com> 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 <jakeo@...rosoft.com> --- arch/x86/include/asm/pci.h | 15 +++++++++++++++ include/asm-generic/pci.h | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 4625943..6fc3c7c 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; @@ -32,6 +35,7 @@ extern int noioapicreroute; static inline int pci_domain_nr(struct pci_bus *bus) { struct pci_sysdata *sd = bus->sysdata; + return sd->domain; } @@ -41,6 +45,17 @@ 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..4092886 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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