Subject: [PATCH 1/3] Documentation: dt: keystone: provide SoC specific compatible flags

From: [email-masked] (Murali Karicheri)
Date: Wed, 30 Sep 2015 10:31:48 -0400

On 09/25/2015 12:01 PM, Nishanth Menon wrote:
> On 09/25/2015 10:18 AM, santosh shilimkar wrote:
>> On 9/25/2015 7:50 AM, Nishanth Menon wrote:
> [...]
>>> But, how about userspace
>>> needing to know which SoC they are on, without needing to depend on
>>> board->soc mapping? How do we help resolve that?
Believe it or not, user space tools that are custom to a specific SoC 
would require such knowledge. So I agree on this front that a SoC 
specific compatibility is cool to have. I think that should have been 
clear in the commit description.

My Acked-By: Murali Karicheri <[email-masked]>

>>>
>> Why the user space should care about exact SOC ?
>
> examples vary - trivial one is: debug tools like omapconf[1] or testing
> tools like opentest[2] need some standard way to ensure Linux kernel is
> functional - trusting the least set of parameters is usually what we
> would prefer. while building a generic distro such as debian or yocto,
> one prefers NOT to need to do a package build per SoC/perboard - that
> never scales. instead, you'd like the same application run on different
> systems dynamically.
>
>
> [1] https://github.com/omapconf/omapconf
> [2] http://arago-project.org/wiki/index.php/Opentest
>

-- 
Murali Karicheri
Linux Kernel, Keystone