linux-kernel - [PATCH 2/5] ASoC: pxa: remove snd_dmaengine_pcm_open_request

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Message-Id: <20230118161110.521504-2-arnd@kernel.org>
Date:   Wed, 18 Jan 2023 17:10:46 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Lars-Peter Clausen <lars@...afoo.de>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Eugeniu Rosca <erosca@...adit-jv.com>,
        Andreas Pape <apape@...adit-jv.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] ASoC: pxa: remove snd_dmaengine_pcm_open_request_chan()

From: Arnd Bergmann <arnd@...db.de>

The last caller was removed, so there is no longer a need for
this function.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 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 2df54cf02cb3..a497d1f81cab 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -37,8 +37,6 @@ int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream,
 	struct dma_chan *chan);
 int snd_dmaengine_pcm_close(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 494ec0c207fa..9f4120f020d8 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);
-
 /**
  * snd_dmaengine_pcm_close - Close a dmaengine based PCM substream
  * @substream: PCM substream
-- 
2.39.0