[PATCH v4 3/8] wireless: wl1271: add platform driver to get board data

Ohad Ben-Cohen ohad at wizery.com
Wed Aug 11 18:18:25 EDT 2010


Hi Vitaly,

On Thu, Aug 12, 2010 at 12:34 AM, Vitaly Wool <vitalywool at gmail.com> wrote:
> On Wed, Aug 11, 2010 at 10:10 PM, Ohad Ben-Cohen <ohad at wizery.com> wrote:
>> Think of several wl1271 devices, each of which is represented by two
>> devices; an SDIO function, and a platform device. The SDIO function
>> stands for a specific MMC controller the device is hardwired to, and
>> the platform device stands for the external irq line that the device
>> is hardwired to.
>
> my view on this is that you're hunting the false problem here. I
> wonder how likely it is that two hardwired WL12xx chips are there on
> the same board.
>
> It's theoretically possible that there's one hardwired device and one
> hot-pluggable one but the latter one can't have platform_data anyway.

We do have strange-looking setups with two hardwired devices
(especially on new bring-ups), so it would be nice not to limit the
driver to a single device. But I agree, it's far from being important.

Thanks,
Ohad.

>
> So in my opinion, we either should keep things simple and consider 2
> hardwired WL12XX's to be a very very unlikely case, or we'll end up
> discussing board_info once again.
>
> Thanks,
>   Vitaly
>



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