Re: [meta-fsl-arm-extra][PATCH v2] riotboard: Fix broken image builds against linux-fslc

[Gary Thomas <gary@mlbassoc.com>]

On 2015-04-29 16:12, Nikolay Dimitrov wrote:
> Hi Gary,
>
> On 04/30/2015 12:56 AM, Gary Thomas wrote:
>> On 2015-04-29 15:51, Nikolay Dimitrov wrote:
>>> Hi Gary,
>>>
>>> On 04/30/2015 12:42 AM, Gary Thomas wrote:
>>>> On 2015-04-29 15:38, Nikolay Dimitrov wrote:
>>>>> Several Yocto images fail to build because they're using packages that
>>>>> require
>>>>> imx6-specific hardware support (ASRC, VPU, GPU3D), which is not
>>>>> available in
>>>>> the mainline kernel. This patch fixes the following image builds:
>>>>> - core-image-minimal
>>>>> - core-image-base
>>>>> - fsl-image-multimedia
>>>>>
>>>>> Signed-off-by: Nikolay Dimitrov <picmaster@mail.bg>
>>>>> ---
>>>>>   conf/machine/imx6dl-riotboard.conf |    3 +++
>>>>>   1 file changed, 3 insertions(+)
>>>>>
>>>>> diff --git a/conf/machine/imx6dl-riotboard.conf
>>>>> b/conf/machine/imx6dl-riotboard.conf
>>>>> index b611ffb..05f6a38 100644
>>>>> --- a/conf/machine/imx6dl-riotboard.conf
>>>>> +++ b/conf/machine/imx6dl-riotboard.conf
>>>>> @@ -15,3 +15,6 @@ PREFERRED_PROVIDER_virtual/kernel ?= "linux-fslc"
>>>>>   KERNEL_DEVICETREE = "imx6dl-riotboard.dtb"
>>>>>
>>>>>   SERIAL_CONSOLE = "115200 ttymxc1"
>>>>> +
>>>>> +MACHINE_EXTRA_RRECOMMENDS_remove = "fsl-alsa-plugins"
>>>>> +MACHINE_GSTREAMER_PLUGIN_imx6dl-riotboard = ""
>>>>>
>>>>
>>>> Is there some way to make this weaker?  For example, these
>>>> changes will be icorrect if [when?] you get the linux-fslc 3.14
>>>> kernel going.
>>>
>>> Yes, I was also thinking about it. My plan is to fix this when
>>> introducing the 3.14 support, but as of today there's no such support
>>> for riotboard, so I would prefer to push whatever I have
>>> working.
>>
>> I've not looked at backporting to 3.14 (I was leaving that for you!)
>> but how different would the device tree from 4.1-rc1 need to be to
>> work with 3.14?  Isn't that (plus the stitching to get it built)
>> about all that's needed?
>
> I don't expect any back-porting work for FSL 3.14.28 kernel, only DT
> work. My last experience of playing with DTs on several imx6 dual/quad
> customer boards showed that beyond the initial enthusiasm it always
> took much more than initially estimated, sometimes up to 2-3 days work.
>
> I don't like to say that, but for most of us Yocto is a spare-time
> effort, which means its priority is below the commercial projects we're
> working on. But I can assure you that I would love to see 3.14.28
> running on riotboard, just as you, and I'll do my best to make it
> happen.
>
> If you feel enthusiastic about helping out with enabling the 3.14.28
> kernel support, your help will be warmly appreciated.

I'll give it a look and see what I come up with.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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