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[01/11] ARM64 / PCI: introduce struct pci_controller for ACPI

Message ID 1432644564-24746-2-git-send-email-hanjun.guo@linaro.org
State New
Headers show

Commit Message

Hanjun Guo May 26, 2015, 12:49 p.m. UTC
ARM64 ACPI based PCI host bridge init needs a arch dependent
struct pci_controller to accommodate common PCI host bridge
code which is introduced later, or it will lead to compile
errors on ARM64.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Catalin Marinas <catalin.marinas@arm.com>
CC: Liviu Dudau <Liviu.Dudau@arm.com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
CC: Will Deacon <will.deacon@arm.com>
 arch/arm64/include/asm/pci.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
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diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h
index b008a72..7088495 100644
--- a/arch/arm64/include/asm/pci.h
+++ b/arch/arm64/include/asm/pci.h
@@ -10,6 +10,16 @@ 
 #include <asm-generic/pci-bridge.h>
 #include <asm-generic/pci-dma-compat.h>
+struct acpi_device;
+struct pci_controller {
+	struct acpi_device *companion;	/* ACPI companion device */
+	int		segment;	/* PCI domain */
+	int		node;		/* NUMA node */
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		0