aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-generic/io-64-nonatomic-hi-lo.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-generic/io-64-nonatomic-hi-lo.h')
-rw-r--r--include/asm-generic/io-64-nonatomic-hi-lo.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/asm-generic/io-64-nonatomic-hi-lo.h b/include/asm-generic/io-64-nonatomic-hi-lo.h
index a6806a94250d..2e29d13fc154 100644
--- a/include/asm-generic/io-64-nonatomic-hi-lo.h
+++ b/include/asm-generic/io-64-nonatomic-hi-lo.h
@@ -4,8 +4,7 @@
4#include <linux/io.h> 4#include <linux/io.h>
5#include <asm-generic/int-ll64.h> 5#include <asm-generic/int-ll64.h>
6 6
7#ifndef readq 7static inline __u64 hi_lo_readq(const volatile void __iomem *addr)
8static inline __u64 readq(const volatile void __iomem *addr)
9{ 8{
10 const volatile u32 __iomem *p = addr; 9 const volatile u32 __iomem *p = addr;
11 u32 low, high; 10 u32 low, high;
@@ -15,14 +14,19 @@ static inline __u64 readq(const volatile void __iomem *addr)
15 14
16 return low + ((u64)high << 32); 15 return low + ((u64)high << 32);
17} 16}
18#endif
19 17
20#ifndef writeq 18static inline void hi_lo_writeq(__u64 val, volatile void __iomem *addr)
21static inline void writeq(__u64 val, volatile void __iomem *addr)
22{ 19{
23 writel(val >> 32, addr + 4); 20 writel(val >> 32, addr + 4);
24 writel(val, addr); 21 writel(val, addr);
25} 22}
23
24#ifndef readq
25#define readq hi_lo_readq
26#endif
27
28#ifndef writeq
29#define writeq hi_lo_writeq
26#endif 30#endif
27 31
28#endif /* _ASM_IO_64_NONATOMIC_HI_LO_H_ */ 32#endif /* _ASM_IO_64_NONATOMIC_HI_LO_H_ */