Re: Error accessing memory between 0xc0000 and 0x100000

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Tue Mar 25 2003 - 11:21:41 EST


On Tue, 25 Mar 2003, Edgardo Hames wrote:

> Hi everybody. I'm trying to write a simple device driver to read and write
> memory at addresses beween 0xc0000 and 0x100000, but when I try to load the
> module I get the following error:
>

Check out ioremap(). Although the addresses you show are already
mapped, you need to access them with the "cookie" returned from
ioremap().

Cheers,
Dick Johnson
Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:20 EST