linux-kernel - Re: [PATCH] ARM: imx_v6_v7_defconfig: Add CONFIG_FW_LOADER_USER_HELPER

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Date:   Thu, 17 Aug 2017 17:18:01 +0200
From:   Gary Bisson <gary.bisson@...ndarydevices.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: imx_v6_v7_defconfig: Add CONFIG_FW_LOADER_USER_HELPER_FALLBACK

Hi Fabio,

On Thu, Aug 17, 2017 at 5:11 PM, Fabio Estevam <festevam@...il.com> wrote:
> Hi Gary,
>
> On Thu, Aug 17, 2017 at 11:04 AM, Gary Bisson
> <gary.bisson@...ndarydevices.com> wrote:
>> Allows to load firmware files which aren't built inside the kernel.
>>
>> Especially useful for CODA firmware (vpu_fw_imx6q.bin) which is usually
>> located in the rootfs.
>>
>> Signed-off-by: Gary Bisson <gary.bisson@...ndarydevices.com>
>> ---
>> Hi Shawn,
>>
>> I'm not sure if this patch is acceptable since I've noticed that no
>> configuration currently has that option enabled (why?).
>>
>> As mentioned in the commit, I had to enable that in order to have CODA
>> load the VPU firmware properly.
>>
>> Another option would be to make the CODA driver a module...
>
> Yes, that's what we have currently:
>
> commit a5a56f07c2726cc801efccd23f8df29af04d6d19
> Author: Fabio Estevam <fabio.estevam@....com>
> Date:   Fri Jul 7 12:06:45 2017 -0300
>
>     ARM: imx_v6_v7_defconfig: Select the coda driver as module

Ok good, I tested on v4.13-rc5, that's why I had the problem.

I'll make sure to check Shawn's tree next time.

Regards,
Gary