From: Liviu Dudau <Liviu.Dudau@arm.com>
Date: Mon, 29 Sep 2014 14:29:22 +0000 (+0100)
Subject: ARM: Define PCI_IOBASE as the base of virtual PCI IO space
X-Git-Tag: v3.18-rc1~110^2~5^2~7
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=dad13e3c08e7005854271e562eda4ffa5c71bc38;p=linux.git

ARM: Define PCI_IOBASE as the base of virtual PCI IO space

This is needed for calls into OF code that parses PCI ranges.  It signals
support for memory mapped PCI I/O accesses that are described by device
trees.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
CC: Russell King <linux@arm.linux.org.uk>
CC: Rob Herring <robh+dt@kernel.org>
---

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 3d23418cbddd..180567408ee8 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -178,6 +178,7 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
 
 /* PCI fixed i/o mapping */
 #define PCI_IO_VIRT_BASE	0xfee00000
+#define PCI_IOBASE		((void __iomem *)PCI_IO_VIRT_BASE)
 
 #if defined(CONFIG_PCI)
 void pci_ioremap_set_mem_type(int mem_type);