linux-kernel - Re: [PATCH 1/2] ASoC: fsl_asrc_m2m: only handle pairs for m2m in the suspend

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Message-ID: <CAEnQRZAc95=eTPyn-9=yUwnOUkQ5HHypbLPE6vYe=zjk-T6JNQ@mail.gmail.com>
Date: Mon, 20 Jan 2025 11:09:14 +0200
From: Daniel Baluta <daniel.baluta@...il.com>
To: Shengjiu Wang <shengjiu.wang@....com>
Cc: shengjiu.wang@...il.com, Xiubo.Lee@...il.com, festevam@...il.com, 
	nicoleotsuka@...il.com, lgirdwood@...il.com, broonie@...nel.org, 
	perex@...ex.cz, tiwai@...e.com, linux-sound@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ASoC: fsl_asrc_m2m: only handle pairs for m2m in the suspend

On Mon, Jan 20, 2025 at 10:20 AM Shengjiu Wang <shengjiu.wang@....com> wrote:
>
> ASRC memory to memory cases and memory to peripheral cases are
> sharing the same pair pools, the pairs got for m2m suspend
> function may be used for memory to peripheral, which is handled
> memory to peripheral driver and can't be handled in
> memory to memory suspend function.
>
> Use the "pair->dma_buffer" as a flag for memory to memory case,
> when it is allocated, handle the suspend operation for the related
> pairs.
>
> Fixes: 24a01710f627 ("ASoC: fsl_asrc_m2m: Add memory to memory function")
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>


Reviewed-by: Daniel Baluta <daniel.baluta@....com>