From: Dr. David Alan Gilbert Date: Fri, 2 May 2025 23:52:16 +0000 (+0100) Subject: ALSA: pcm: Remove unused snd_dmaengine_pcm_open_request_chan X-Git-Tag: v6.16-rc1~170^2~56 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5f2dd266c0b5b706ebc39d64c1caaec636f8fbf;p=thirdparty%2Fkernel%2Flinux.git ALSA: pcm: Remove unused snd_dmaengine_pcm_open_request_chan snd_dmaengine_pcm_open_request_chan() last use was removed in 2022's commit b401d1fd8053 ("ASoC: pxa: remove unused board support") Remove it. Signed-off-by: Dr. David Alan Gilbert Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20250502235219.1000429-3-linux@treblig.org --- diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index f6baa9a018681..1ef13bcdc43f9 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -38,8 +38,6 @@ int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream, int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream); int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream); -int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream, - dma_filter_fn filter_fn, void *filter_data); int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream); struct dma_chan *snd_dmaengine_pcm_request_channel(dma_filter_fn filter_fn, diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c index b134a51b3fd58..72040964b6fd6 100644 --- a/sound/core/pcm_dmaengine.c +++ b/sound/core/pcm_dmaengine.c @@ -328,27 +328,6 @@ int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream, } EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open); -/** - * snd_dmaengine_pcm_open_request_chan - Open a dmaengine based PCM substream and request channel - * @substream: PCM substream - * @filter_fn: Filter function used to request the DMA channel - * @filter_data: Data passed to the DMA filter function - * - * This function will request a DMA channel using the passed filter function and - * data. The function should usually be called from the pcm open callback. Note - * that this function will use private_data field of the substream's runtime. So - * it is not available to your pcm driver implementation. - * - * Return: 0 on success, a negative error code otherwise - */ -int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream, - dma_filter_fn filter_fn, void *filter_data) -{ - return snd_dmaengine_pcm_open(substream, - snd_dmaengine_pcm_request_channel(filter_fn, filter_data)); -} -EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan); - int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream) { struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);