[meta-freescale] Preferred kernel for mx7 machine

[Matija Tuđan]

Hi Daiane,

Let me redefine my question: does the tree from codeaurora provide better support for mx7 machines?
I am asking this because mx7 is not set as compatible machine in linux-fslc_4.17.bb recipe. This is where my confusion came from.

Best Regards,
Matija Tuđan
Senior Hardware Developer
Mobilisis d.o.o.
+385 99 311 5473

-----Original Message-----
From: angolini at gmail.com <angolini at gmail.com> On Behalf Of Daiane Angolini
Sent: Friday, August 24, 2018 1:48 PM
To: Matija Tuđan <mtudan at mobilisis.hr>
Cc: meta-freescale Mailing List <meta-freescale at yoctoproject.org>
Subject: Re: [meta-freescale] Preferred kernel for mx7 machine

On Fri, Aug 24, 2018 at 2:27 AM Matija Tuđan <mtudan at mobilisis.hr> wrote:
>
> Hello,
>
> What is the recommended kernel tree for i.MX7 based machines?
>
> The linux-imx repo from codeaurora has the 4.9.88 as newest version:
> https://source.codeaurora.org/external/imx/linux-imx
>
> Additionally, mx7 is not set as compatible machine in linux-fslc_4.17.bb recipe which is based on linux-fslc repo:
>
> https://github.com/Freescale/linux-fslc
>
> which should be forked from mainline kernel repo.
>

Yes, it is

>
> But I have tested the linux-stable repo and 4.18.y version and it works fine:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
>
In this case, update patches are welcome.

>
>
> What are the key differences between codeaurora’s repo which provides older kernel version and linux-fslc/linux-stable repos.
>
> Which repo should be used when dealing with i.MX7 based machines?

I think, because you are asking, you should start using the kernel from codeaurora. The difference is huge (mainly because of version number, but also the number of available drivers)

If you think you are going to submit tickets to NXP (if you are in contact with a FAE or using [1]). However, if you prefer to ask for help in the Linux Kernel mailing list, the recomendation is to use the latest kernel version (linux-fslc would be an starting point)

However, the answer to the question "which kernel should I use" is extremely personal and driven by use case. If you really think you need help deciding this, I recommend you to contact a professional service from a consultant.

[1]https://community.nxp.com/community/imx

Best Regards,
Daiane
>
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>
> Matija
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> Matija Tuđan
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