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Date:   Fri, 08 Feb 2019 08:37:25 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Maruthi Srinivas Bayyavarapu 
        <maruthi.srinivas.bayyavarapu@...inx.com>
Subject: Re: linux-next: build failure after merge of the sound-asoc tree

On Fri, 08 Feb 2019 03:18:23 +0100,
Stephen Rothwell wrote:
> 
> Hi all,
> 
> After merging the sound-asoc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> sound/soc/xilinx/xlnx_formatter_pcm.c: In function 'xlnx_formatter_pcm_new':
> sound/soc/xilinx/xlnx_formatter_pcm.c:539:9: error: void value not ignored as it ought to be
>   return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
>          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     SNDRV_DMA_TYPE_DEV, component->dev,
>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     xlnx_pcm_hardware.buffer_bytes_max,
>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     xlnx_pcm_hardware.buffer_bytes_max);
>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> sound/soc/xilinx/xlnx_formatter_pcm.c:543:1: warning: control reaches end of non-void function [-Wreturn-type]
>  }
>  ^
> 
> Caused by commit
> 
>   6f6c3c36f091 ("ASoC: xlnx: add pcm formatter platform driver")
> 
> interacting with commit
> 
>   9adb5165f1de ("ALSA: pcm: Define snd_pcm_lib_preallocate_*() as returning void")
> 
> from the sound tree.
> 
> I have applied the following merge fix patch for today:
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Fri, 8 Feb 2019 13:14:24 +1100
> Subject: [PATCH] Asoc: xlnx: fix up for snd_pcm_lib_preallocate_pages_for_all() API change
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  sound/soc/xilinx/xlnx_formatter_pcm.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/xilinx/xlnx_formatter_pcm.c b/sound/soc/xilinx/xlnx_formatter_pcm.c
> index 97177d35652e..dc8721f4f56b 100644
> --- a/sound/soc/xilinx/xlnx_formatter_pcm.c
> +++ b/sound/soc/xilinx/xlnx_formatter_pcm.c
> @@ -536,10 +536,11 @@ static int xlnx_formatter_pcm_new(struct snd_soc_pcm_runtime *rtd)
>  {
>  	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd,
>  								    DRV_NAME);
> -	return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
> +	snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
>  			SNDRV_DMA_TYPE_DEV, component->dev,
>  			xlnx_pcm_hardware.buffer_bytes_max,
>  			xlnx_pcm_hardware.buffer_bytes_max);
> +	return 0;
>  }
>  
>  static const struct snd_pcm_ops xlnx_formatter_pcm_ops = {
> -- 
> 2.20.1

Thanks Stephen.

Mark, could you apply it on your tree?
Or let me pull your tree into mine.


Takashi

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