On Wed, Nov 4, 2009 at 1:52 PM, Luis R. Rodriguez <mcg...@gmail.com> wrote:
> On Wed, Nov 4, 2009 at 1:36 PM, Luis R. Rodriguez <mcg...@gmail.com> wrote:
>> On Wed, Nov 4, 2009 at 1:30 PM, Luis R. Rodriguez <mcg...@gmail.com> wrote:
>>> On Wed, Nov 4, 2009 at 12:12 PM, Nick Kossifidis <mickfl...@gmail.com> 
>>> wrote:
>>>> 2009/11/4 Luis R. Rodriguez <mcg...@gmail.com>:
>>>>> Curious if anyone recalls the issues seen with enabling MWI on ath5k.
>>>>> I could have sworn there was some discussion on this but for the life
>>>>> of me I cannot find it.
>>>>>
>>>>>  Luis
>>>>
>>>> Maybe this one ?
>>>> http://osdir.com/ml/linux.drivers.ath5k.devel/2008-07/msg00088.html
>>>
>>> That was it, thanks! For the record then Kyle pointed to this bug:
>>>
>>> http://marc.info/?t=121430463700001&r=1&w=2
>>>
>>> as a reference for possible issues.
>>
>> Actually the threads above are for MSI, not MWI, which would be set
>> with pci_set_mwi() not pci_disable_msi().
>>
>> MWI is for enabling memory write invalidate.
>>
>> I guess we never had the MWI discussion then for ath5k,
>>
>> Either way I'm reluctant to enable it and was actually considering
>> simplifying the the PCI cache line size thing on ath/ath5k/ath9k. Will
>> send an RFC.
>
> Even better: I just confirmation from our systems team that our legacy
> devices and 11n PCI devices don't support MWR so I'll remove all that
> cruft crap.

I meant MWI of course.

  Luis
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