[lkml]   [2005]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Opterons and setting the pci bus master bit
Alan Cox wrote:
> On Gwe, 2005-09-30 at 13:10 -0400, Mark Hounschell wrote:
>>everything is fine. When we connect the same chassis to an Intel P4 box
>>everything is fine. It looks like it is the kernel that sets this bit
>>because we have never set it in any of our drivers, yet on the intel
>>boxes it gets set. Why would this bit not be set when the chassis is
>>connected to an Opteron. We are running 32-bit mode BTW. I am using a
>> kernel. Is this a motherboard problem or could this be a kernel
> If your device needs to bus master you need to call
> pci_set_master(pci_dev). The bus mastering setup prior to that really
> depends on the BIOS and phase of the moon.
> See Documentation/pci.txt
> Alan

Ok, thats what I'll do then.

Thanks for the info.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-09-30 20:31    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean