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 :: Mailing Lists

[ILUG] linux device drivers: port or memory mapped i/o?

[ILUG] linux device drivers: port or memory mapped i/o?

Paul Jakma paul at clubi.ie
Tue Oct 16 18:57:05 IST 2001


On Tue, 16 Oct 2001, Stephen Shirley wrote:

> to copy out data to look at it etc), but i was wondering was there any
> particular reasons why people would choose one over the other.

speed.

memmory mapped is generally a lot faster.

> TIA,
> Steve

regards,
-- 
Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
Fortune:
Isn't it interesting that the same people who laugh at science fiction
listen to weather forecasts and economists?
		-- Kelvin Throop III





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