Re: [PATCH v1 01/11] ARM: amba: Add Qualcomm vendor ID.

From: Stephen Boyd
Date: Fri May 16 2014 - 12:43:55 EST


On 05/16/14 09:24, Linus Walleij wrote:
> On Wed, May 14, 2014 at 12:13 AM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote:
>
>> Please add a note that this id is fake in the commit text or in
>> the code as well.
> You just need one of your hardware engineers to add is to one instance
> of some test chip round so it exists in any hardware whatsoever and it
> is not "fake" anymore...
>
> This is a bit like device tree, it's defined by the kernel community as much
> as by the hardware engineers and it's a little bit of back-and-forth.
>

Sure, but hardware teams have moved on from this IP so I doubt we can
even get them to put it into a test chip. In fact, the devices a
generation before the ones Srini is working on (msm8660 for example)
have a periph ID of 0x41180 so we need to override that ID in DT with
this fake ID for things to even work.

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