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SubjectRe: [PATCH 2/3] ARM: sunxi: Add an ahci-platform compatible AHCI driver for the Allwinner SUNXi series of SoCs
On 04-12-13 14:14, Tejun Heo wrote:
> Hello,
>
> On Wed, Dec 04, 2013 at 01:56:23PM +0100, Oliver Schinagl wrote:
>> I took the imx driver as example, as I wasn't sure on where to
>> start. But I don't think it's possible yet without improving
>> ahci_platform as I suggested in the cover letter. So if
>> ahci_platform needs to be improved, I guess a separate patch series
>> would be more appropriate?
>>
>> So would it be acceptable to have this as the 2nd (and last?)
>> ahci_platform driver and go from there? Or do you want to block new
>> ahci_XXX drivers until ahci_platform has been improved?
>
> I don't want to block new drivers unconditionally but at least I want
> to know which direction we're headed in the longer term. Right now it
> feels like we could be at the beginning of an uncoordinated explosion
> of these drivers which will take a hell lot mpore effort to clean up
> after the fact. I could be wrong and these could actually be
> different enough to justify separate drivers and there isn't gonna be
> an avalanche of these but again I at least want to know the general
> direction things are headed before making any decisions.
I'd be happy to pour it in any form that's needed. I even do the
modification/rewrite of ahci_platform if I get enough help as it might
be a little over my head initially ;)

That said, I don't think it's much different at all and I do think it
could be much simpler. In my mind, the sunxi_ahci driver wouldn't need
to be much bigger then a few lines that are specific to the SoC
(hardware init) and registerd to the ahci_platform framework via
platform_ahci_register() instead of platform_device_register().

But again, point me (for dummies ;) in the right direction and I'll work
on it with some help.

Oliver
>
> Thanks.
>



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