x86: provide readq()/writeq() on 32-bit too

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Impact: add new API for drivers

Add implementation of readq/writeq to x86_32, and add config value to
the x86 architecture to determine existence of readq/writeq.

Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Hitoshi Mitake 2008-11-30 17:16:04 +09:00 • committed by Ingo Molnar

parent ed313489ba

commit 2c5643b1c5

2 changed files with 26 additions and 0 deletions

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2

arch/x86/Kconfig

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24

arch/x86/include/asm/io.h

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