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| author |   Horia Geantă <horia.geanta@nxp.com> | 2016-05-19 18:10:56 +0300 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2016-05-31 16:41:50 +0800 |
| commit | 9e44fb1816dba8f283809a25c29ff7969a3acb99 (patch) | |
| tree | 944aa133322f24d2e5514cb1b3f17de5444da323 /include/asm-generic/iomap.h | |
| parent | asm-generic/io.h: allow barriers in io{read,write}{16,32}be (diff) | |
| download | linux-dev-9e44fb1816dba8f283809a25c29ff7969a3acb99.tar.xz linux-dev-9e44fb1816dba8f283809a25c29ff7969a3acb99.zip | |
asm-generic/io.h: add io{read,write}64 accessors
This will allow device drivers to consistently use io{read,write}XX
also for 64-bit accesses.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/asm-generic/iomap.h')
| -rw-r--r-- | include/asm-generic/iomap.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h index d8f8622fa044..650fede33c25 100644 --- a/include/asm-generic/iomap.h +++ b/include/asm-generic/iomap.h @@ -30,12 +30,20 @@ extern unsigned int ioread16(void __iomem *); extern unsigned int ioread16be(void __iomem *); extern unsigned int ioread32(void __iomem *); extern unsigned int ioread32be(void __iomem *); +#ifdef CONFIG_64BIT +extern u64 ioread64(void __iomem *); +extern u64 ioread64be(void __iomem *); +#endif extern void iowrite8(u8, void __iomem *); extern void iowrite16(u16, void __iomem *); extern void iowrite16be(u16, void __iomem *); extern void iowrite32(u32, void __iomem *); extern void iowrite32be(u32, void __iomem *); +#ifdef CONFIG_64BIT +extern void iowrite64(u64, void __iomem *); +extern void iowrite64be(u64, void __iomem *); +#endif /* * "string" versions of the above. Note that they |