linux-kernel - [PATCH 01/11] ARM64 / PCI: introduce struct pci

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Date:	Tue, 26 May 2015 20:49:14 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Jiang Liu <jiang.liu@...ux.intel.com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yijing Wang <wangyijing@...wei.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	Mark Salter <msalter@...hat.com>, linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
	Hanjun Guo <hanjun.guo@...aro.org>
Subject: [PATCH 01/11] ARM64 / PCI: introduce struct pci_controller for ACPI

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@...aro.org>
Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
CC: Arnd Bergmann <arnd@...db.de>
CC: Catalin Marinas <catalin.marinas@....com>
CC: Liviu Dudau <Liviu.Dudau@....com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>
CC: Will Deacon <will.deacon@....com>
---
 arch/arm64/include/asm/pci.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

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 {
+#ifdef CONFIG_ACPI
+	struct acpi_device *companion;	/* ACPI companion device */
+#endif
+	int		segment;	/* PCI domain */
+	int		node;		/* NUMA node */
+};
+
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		0
 
-- 
1.9.1

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