lkml.org 
[lkml]   [2006]   [Feb]   [27]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateMon, 27 Feb 2006 17:52:12 -0500
FromJeff Garzik <>
SubjectRe: [PATCH 0/4] PCI legacy I/O port free driver (take 3)
Andi Kleen wrote:
> On Monday 27 February 2006 23:23, Jeff Garzik wrote:
> 
>>Or do you have another way of avoiding unused resource allocation?
>>
>>Fix the [firmware | device load order] to allocate I/O ports first to 
>>the hardware that only supports IO port accesses. 
> 
> 
> How should the firmware know what hardware needs io ports and what hardware
> doesn't? I don't think it will scale well to put long lists of PCI-IDs into 
> their firmware.

Its trivial to detect PCI hardware that doesn't support MMIO, the 
"IO-only" hardware Grant mentioned...

	Jeff



-
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/

\
 
 \ /
  Last update: 2006-02-27 22:55    [from the cache]
©2003-2008