when compiling with allmodconfig, CONFIG_64BIT=y
the file drivers/base/regmap/regmap-mmio.c will use readq and writeq.
so we need implement these functions.
BTW:
the coding style can not pass ./scripts/checkpatch.pl.
it seems better to provide additional patch for beautifying code.
Signed-off-by: Chen Gang <gang.c...@asianux.com>
---
arch/arm64/include/asm/io.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 57f12c9..2e12258 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -92,10 +92,12 @@ static inline u64 __raw_readq(const volatile void __iomem
*addr)
#define readb_relaxed(c) ({ u8 __v = __raw_readb(c); __v; })
#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force
__le16)__raw_readw(c)); __v; })
#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force
__le32)__raw_readl(c)); __v; })
+#define readq_relaxed(c) ({ u64 __v = le64_to_cpu((__force
__le64)__raw_readq(c)); __v; })
#define writeb_relaxed(v,c) ((void)__raw_writeb((v),(c)))
#define writew_relaxed(v,c) ((void)__raw_writew((__force
u16)cpu_to_le16(v),(c)))
#define writel_relaxed(v,c) ((void)__raw_writel((__force
u32)cpu_to_le32(v),(c)))
+#define writeq_relaxed(v,c) ((void)__raw_writeq((__force
u64)cpu_to_le64(v),(c)))
/*
* I/O memory access primitives. Reads are ordered relative to any
@@ -105,10 +107,12 @@ static inline u64 __raw_readq(const volatile void __iomem
*addr)
#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v;
})
#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v;
})
#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v;
})
+#define readq(c) ({ u64 __v = readq_relaxed(c); __iormb(); __v;
})
#define writeb(v,c) ({ __iowmb(); writeb_relaxed((v),(c)); })
#define writew(v,c) ({ __iowmb(); writew_relaxed((v),(c)); })
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c)); })
+#define writeq(v,c) ({ __iowmb(); writeq_relaxed((v),(c)); })
/*
* I/O port access primitives.
--
1.7.7.6
--
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