Re: Au1000 PCMCIA I/O space?

["Ilya A. Volynets-Evenbakh" <ilya@total-knowledge.com>]

Hmm, I see. I'm not really using PCMCIA driver - I just have
IDE interface hanging off of PCMCIA controller of Au1000, so
I had to do something similar to drivers/ide/mips/swarm.c.
Thus since I can pass addresses directly to ioremap, I'm OK
anyways.


Pete Popov wrote:

>On Sun, 2005-07-31 at 23:16 -0700, Ilya A. Volynets-Evenbakh wrote:
>  
>
>>Is there any particular reason why Au1000 PCMCIA IO space is not 
>>included in 36-bit address fixup?
>>Attached patch fixes it for me, but I'm wondering if there is valid 
>>reason not to do that.
>>    
>>
>
>Because it's ioremapped by the au1x pcmcia driver and the driver passes 
>the virt address to the pcmcia stack. If this isn't working for you, 
>something else is broken.  You only need the fixup when you can't call 
>ioremap with the entire 36 bit phys address. For example, the attribute and
>common memory space are ioremapped by the "pcmcia stack" in the kernel,
>not the low level socket driver over which we have control. Thus, to
>work around the fact that you can't easily change the entire pcmcia
>stack, you do the fixup thing. 
>
>Unless the pcmcia stack changed, the driver should work as is.
>
>Pete
>
>  
>

-- 
Ilya A. Volynets-Evenbakh
Total Knowledge. CTO
http://www.total-knowledge.com