[PATCH 3/3] FIXUP: FROMLIST: ASoC: amd: Report accurate hw_ptr during dma

[Guenter Roeck]

On Wed, Nov 8, 2017 at 9:24 AM, Alex Deucher <alexdeucher at gmail.com> wrote:

> From: Guenter Roeck <groeck at chromium.org>
>
> ERROR: "__aeabi_uldivmod" [sound/soc/amd/snd-soc-acp-pcm.ko] undefined!
>
> 64-bit divides require special operations to avoid build errors on 32-bit
> systems.
>
> BUG=b:63121716
> TEST="Build i386:allmodconfig"
>
>
Is this an upstream submission ? Fine with me, but it should not include
any chromium specific tags, neither in the subject not in the description.

Guenter


> Signed-off-by: Guenter Roeck <groeck at chromium.org>
> Reviewed-on: https://chromium-review.googlesource.com/678919
> Reviewed-by: Jason Clinton <jclinton at chromium.org>
> (cherry picked from commit 7ca726e80f21abdbaed9a5a70def1c33a26f8533)
> Reviewed-on: https://chromium-review.googlesource.com/681618
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  sound/soc/amd/acp-pcm-dma.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
> index 13d040a4d26f..ef7e98ad960c 100644
> --- a/sound/soc/amd/acp-pcm-dma.c
> +++ b/sound/soc/amd/acp-pcm-dma.c
> @@ -856,12 +856,11 @@ static snd_pcm_uframes_t acp_dma_pointer(struct
> snd_pcm_substream *substream)
>         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
>                 if (bytescount > rtd->renderbytescount)
>                         bytescount = bytescount - rtd->renderbytescount;
> -               pos =  bytescount % buffersize;
>         } else {
>                 if (bytescount > rtd->capturebytescount)
>                         bytescount = bytescount - rtd->capturebytescount;
> -               pos = bytescount % buffersize;
>         }
> +       pos = do_div(bytescount, buffersize);
>         return bytes_to_frames(runtime, pos);
>  }
>
> --
> 2.13.6
>
>
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