Re: [alsa-devel] [RFC PATCH 2/2] ASoC: samsung: Print a one-time message if the snow driver's probe defers

From: Javier Martinez Canillas
Date: Thu Oct 27 2016 - 11:38:29 EST


+Marek,

Hello,

On 10/20/2016 08:27 AM, Sylwester Nawrocki wrote:
> On 10/20/2016 12:41 PM, Javier Martinez Canillas wrote:
>> I see no relevant changes in exynos_defconfig between v4.7..v4.8 and
>> also no changes in drivers/Makefile that could cause things to be
>> initialized on a different order.
>
> I remember this
>
> commit 6eb1c9496b81680f2cd2e0eda06c531317e2e28d
> clk: probe common clock drivers earlier
>
> going in recently, but it's rather dubious it could cause such trouble.
>
> Anyway, I'd try to add some debug prints to samsung_i2s_probe() to see
> what's the issue with the CPU DAI registration.
>

fyi, Marek already fixed this issue on patch "ASoC: samsung: get access to
DMA engine early to defer probe properly":

https://patchwork.kernel.org/patch/9399613/

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America