From a5f2dd266c0b5b706ebc39d64c1caaec636f8fbf Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Sat, 3 May 2025 00:52:16 +0100 Subject: [PATCH] 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 --- include/sound/dmaengine_pcm.h | 2 -- sound/core/pcm_dmaengine.c | 21 --------------------- 2 files changed, 23 deletions(-) diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index f6baa9a01868..1ef13bcdc43f 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 b134a51b3fd5..72040964b6fd 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); -- 2.50.1