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mod_devicetable: fix PHY module format
[mirror_ubuntu-bionic-kernel.git] / include / linux / io-64-nonatomic-lo-hi.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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2#ifndef _LINUX_IO_64_NONATOMIC_LO_HI_H_
3#define _LINUX_IO_64_NONATOMIC_LO_HI_H_
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4
5#include <linux/io.h>
6#include <asm-generic/int-ll64.h>
7
3a044178 8static inline __u64 lo_hi_readq(const volatile void __iomem *addr)
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9{
10 const volatile u32 __iomem *p = addr;
11 u32 low, high;
12
13 low = readl(p);
14 high = readl(p + 1);
15
16 return low + ((u64)high << 32);
17}
797a796a 18
3a044178 19static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr)
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20{
21 writel(val, addr);
22 writel(val >> 32, addr + 4);
23}
3a044178 24
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25static inline __u64 lo_hi_readq_relaxed(const volatile void __iomem *addr)
26{
27 const volatile u32 __iomem *p = addr;
28 u32 low, high;
29
30 low = readl_relaxed(p);
31 high = readl_relaxed(p + 1);
32
33 return low + ((u64)high << 32);
34}
35
36static inline void lo_hi_writeq_relaxed(__u64 val, volatile void __iomem *addr)
37{
38 writel_relaxed(val, addr);
39 writel_relaxed(val >> 32, addr + 4);
40}
41
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42#ifndef readq
43#define readq lo_hi_readq
44#endif
45
46#ifndef writeq
47#define writeq lo_hi_writeq
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48#endif
49
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50#ifndef readq_relaxed
51#define readq_relaxed lo_hi_readq_relaxed
52#endif
53
54#ifndef writeq_relaxed
55#define writeq_relaxed lo_hi_writeq_relaxed
56#endif
57
2f8e2c87 58#endif /* _LINUX_IO_64_NONATOMIC_LO_HI_H_ */