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-rw-r--r--arch/x86/include/asm/io.h24
1 files changed, 2 insertions, 22 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 07227308252..d02804d650c 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -38,7 +38,6 @@
38 38
39#include <linux/string.h> 39#include <linux/string.h>
40#include <linux/compiler.h> 40#include <linux/compiler.h>
41#include <asm-generic/int-ll64.h>
42#include <asm/page.h> 41#include <asm/page.h>
43 42
44#include <xen/xen.h> 43#include <xen/xen.h>
@@ -87,27 +86,6 @@ build_mmio_write(__writel, "l", unsigned int, "r", )
87build_mmio_read(readq, "q", unsigned long, "=r", :"memory") 86build_mmio_read(readq, "q", unsigned long, "=r", :"memory")
88build_mmio_write(writeq, "q", unsigned long, "r", :"memory") 87build_mmio_write(writeq, "q", unsigned long, "r", :"memory")
89 88
90#else
91
92static inline __u64 readq(const volatile void __iomem *addr)
93{
94 const volatile u32 __iomem *p = addr;
95 u32 low, high;
96
97 low = readl(p);
98 high = readl(p + 1);
99
100 return low + ((u64)high << 32);
101}
102
103static inline void writeq(__u64 val, volatile void __iomem *addr)
104{
105 writel(val, addr);
106 writel(val >> 32, addr+4);
107}
108
109#endif
110
111#define readq_relaxed(a) readq(a) 89#define readq_relaxed(a) readq(a)
112 90
113#define __raw_readq(a) readq(a) 91#define __raw_readq(a) readq(a)
@@ -117,6 +95,8 @@ static inline void writeq(__u64 val, volatile void __iomem *addr)
117#define readq readq 95#define readq readq
118#define writeq writeq 96#define writeq writeq
119 97
98#endif
99
120/** 100/**
121 * virt_to_phys - map virtual addresses to physical 101 * virt_to_phys - map virtual addresses to physical
122 * @address: address to remap 102 * @address: address to remap