On Mon, 02 Dec 2019 23:47:52 +0100,
Curtis Malainey wrote:
>
> There are cases where we fail before we reach soc_new_pcm which would
> init the workqueue. When we fail we attempt to flush the queue which
> generates warnings from the workqueue subsystem when we have not inited
> the queue. Solution is to use a proxy function to get around this issue.
>
> Signed-off-by: Curtis Malainey <cujomalainey@xxxxxxxxxxxx>
> Cc: Takashi Iwai <tiwai@xxxxxxx>
> ---
> include/sound/soc.h | 1 +
> sound/soc/soc-core.c | 10 ++++++++++
> sound/soc/soc-pcm.c | 11 ++++-------
> 3 files changed, 15 insertions(+), 7 deletions(-)
Forgot the change in soc-compress.c?
thanks,
Takashi
>
> diff --git a/include/sound/soc.h b/include/sound/soc.h
> index c28a1ed5e8df9..2628967998264 100644
> --- a/include/sound/soc.h
> +++ b/include/sound/soc.h
> @@ -1150,6 +1150,7 @@ struct snd_soc_pcm_runtime {
> unsigned int num_codecs;
>
> struct delayed_work delayed_work;
> + void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
> #ifdef CONFIG_DEBUG_FS
> struct dentry *debugfs_dpcm_root;
> #endif
> diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
> index 062653ab03a37..0e2e628302f1d 100644
> --- a/sound/soc/soc-core.c
> +++ b/sound/soc/soc-core.c
> @@ -435,6 +435,15 @@ static void soc_free_pcm_runtime(struct snd_soc_pcm_runtime *rtd)
> device_unregister(rtd->dev);
> }
>
> +static void close_delayed_work(struct work_struct *work) {
> + struct snd_soc_pcm_runtime *rtd =
> + container_of(work, struct snd_soc_pcm_runtime,
> + delayed_work.work);
> +
> + if (rtd->close_delayed_work_func)
> + rtd->close_delayed_work_func(rtd);
> +}
> +
> static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
> struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
> {
> @@ -470,6 +479,7 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
>
> rtd->dev = dev;
> dev_set_drvdata(dev, rtd);
> + INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
>
> /*
> * for rtd->codec_dais
> diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
> index 01eb8700c3de5..b78f6ff2b1d3f 100644
> --- a/sound/soc/soc-pcm.c
> +++ b/sound/soc/soc-pcm.c
> @@ -637,10 +637,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
> * This is to ensure there are no pops or clicks in between any music tracks
> * due to DAPM power cycling.
> */
> -static void close_delayed_work(struct work_struct *work)
> +static void close_delayed_work(struct snd_soc_pcm_runtime *rtd)
> {
> - struct snd_soc_pcm_runtime *rtd =
> - container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
> struct snd_soc_dai *codec_dai = rtd->codec_dais[0];
>
> mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
> @@ -660,7 +658,7 @@ static void close_delayed_work(struct work_struct *work)
> mutex_unlock(&rtd->card->pcm_mutex);
> }
>
> -static void codec2codec_close_delayed_work(struct work_struct *work)
> +static void codec2codec_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
> {
> /*
> * Currently nothing to do for c2c links
> @@ -2974,10 +2972,9 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
>
> /* DAPM dai link stream work */
> if (rtd->dai_link->params)
> - INIT_DELAYED_WORK(&rtd->delayed_work,
> - codec2codec_close_delayed_work);
> + rtd->close_delayed_work_func = codec2codec_close_delayed_work;
> else
> - INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
> + rtd->close_delayed_work_func = close_delayed_work;
>
> pcm->nonatomic = rtd->dai_link->nonatomic;
> rtd->pcm = pcm;
> --
> 2.24.0.393.g34dc348eaf-goog
>
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