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Re: [PATCH] iwl3945: added channel sysfs entry

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On Thu, Sep 25, 2008 at 10:39 PM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
> On Thu, Sep 25, 2008 at 10:28 PM, Zhu Yi <yi.zhu@xxxxxxxxx> wrote:
>
>> You brought it up. And I also want to discuss it. We do want to support
>> it. But the 3945/4965/5000 hardwares doesn't have the alpha2 information
>> in their EEPROMs (btw, 2100/2200 does support that). Instead, they have
>> a band/channel table including freq, tx power, etc in the EEPROM. So a
>> simple regulatory_hint() API doesn't work. We need a way to export the
>> channel details to CRDA.
>
> Yes, this detail of information was conveyed to me at OLS by Guy. This
> is why we decided to add support for letting the driver not pass an
> alpha2 but to just build the regulatory domain structure itself and
> pass it. I even provided an example of how to do this in the
> Documentation/networking/regulatory.txt and tested it myself.
>
> Essentially this was added with your drivers in mind :)
>
> Let me know if you run into any issues.

Oh and to be clear -- you "can" also pass an alpha2 if you guys do
figure out a way to do that. If not its OK, just set the alpha2 to
NULL.

  Luis
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