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SubjectRe: [RFC PATCH] ARM: OMAP3630: Add generic machine descriptor
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On Fri, Sep 20, 2013 at 9:23 AM, Felipe Balbi <balbi@ti.com> wrote:
> Hi,
>
> On Fri, Sep 20, 2013 at 09:19:02AM -0700, Olof Johansson wrote:
>> On Fri, Sep 20, 2013 at 9:08 AM, Nishanth Menon <nm@ti.com> wrote:
>> > An alternative approach may be to (for all SoCs):
>> > 1. define every SoC entry - ti,omap3430 ti,omap3630...
>> > 2. have a generic omap3_init which uses "if (of_machine_is_compatible("ti,omap3630"))"
>> > to invoke the appropriate omap3xxx_init_early.
>>
>> Yes, this would be better, but you can do add a DT_MACHINE as in this
>> patch but have ti,omap3630 as the dt_compat table. Then there's no
>> need to add runtime checks.
>
> I was going to reply that adding of_machine_is_compatible("ti,omap3630")
> would help in some situations, but guess it's already tainted ;-)

Oh, if it's just a few checks, then by all means go down that route. I
didn't look at the code to see how much it would be.

But if a new DT_MACHINE is added, then it should definitely be based
on ti,omap3630 instead of listing all the boards.


-Olof


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