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[PATCH] add __iowrite64_copy

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Introduce __iowrite64_copy.  It will be used by the Myri-10G Ethernet
driver to post requests to the NIC.  This driver will be submitted soon.

__iowrite64_copy copies to I/O memory in units of 64 bits when possible (on
64 bit architectures).  It reverts to __iowrite32_copy on 32 bit
architectures.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Brice Goglin 2006-06-20 20:03:02 -07:00 • committed by Linus Torvalds
parent 34641a58a2
commit 22ae813b85
2 changed files with 29 additions and 0 deletions
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1
include/linux/io.h
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@ -21,5 +21,6 @@
#include <asm/io.h>
void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
#endif /* _LINUX_IO_H */