linux-kernel - [PATCH 01/11] ASoC: dai_dma: remove slave

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Message-Id: <20211115085403.360194-2-arnd@kernel.org>
Date:   Mon, 15 Nov 2021 09:53:53 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Andy Gross <agross@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hyun Kwon <hyun.kwon@...inx.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Jon Hunter <jonathanh@...dia.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Scott Branden <sbranden@...adcom.com>,
        Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        alsa-devel@...a-project.org, bcm-kernel-feedback-list@...adcom.com,
        dmaengine@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org, linux-serial@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-tegra@...r.kernel.org
Subject: [PATCH 01/11] ASoC: dai_dma: remove slave_id field

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

This field is never set, and serves no purpose, so remove it.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 include/sound/dmaengine_pcm.h   | 2 --
 sound/core/pcm_dmaengine.c      | 5 ++---
 sound/soc/tegra/tegra20_spdif.c | 1 -
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 9144bd547851..7403870c28bd 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -58,7 +58,6 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
  * @maxburst: Maximum number of words(note: words, as in units of the
  * src_addr_width member, not bytes) that can be send to or received from the
  * DAI in one burst.
- * @slave_id: Slave requester id for the DMA channel.
  * @filter_data: Custom DMA channel filter data, this will usually be used when
  * requesting the DMA channel.
  * @chan_name: Custom channel name to use when requesting DMA channel.
@@ -72,7 +71,6 @@ struct snd_dmaengine_dai_dma_data {
 	dma_addr_t addr;
 	enum dma_slave_buswidth addr_width;
 	u32 maxburst;
-	unsigned int slave_id;
 	void *filter_data;
 	const char *chan_name;
 	unsigned int fifo_size;
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index af08bb4bf578..6762fb2083e1 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -91,8 +91,8 @@ EXPORT_SYMBOL_GPL(snd_hwparams_to_dma_slave_config);
  * @dma_data: DAI DMA data
  * @slave_config: DMA slave configuration
  *
- * Initializes the {dst,src}_addr, {dst,src}_maxburst, {dst,src}_addr_width and
- * slave_id fields of the DMA slave config from the same fields of the DAI DMA
+ * Initializes the {dst,src}_addr, {dst,src}_maxburst, {dst,src}_addr_width
+ * fields of the DMA slave config from the same fields of the DAI DMA
  * data struct. The src and dst fields will be initialized depending on the
  * direction of the substream. If the substream is a playback stream the dst
  * fields will be initialized, if it is a capture stream the src fields will be
@@ -124,7 +124,6 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
 			slave_config->src_addr_width = dma_data->addr_width;
 	}
 
-	slave_config->slave_id = dma_data->slave_id;
 	slave_config->peripheral_config = dma_data->peripheral_config;
 	slave_config->peripheral_size = dma_data->peripheral_size;
 }
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c
index 9fdc82d58db3..1c3385da6f82 100644
--- a/sound/soc/tegra/tegra20_spdif.c
+++ b/sound/soc/tegra/tegra20_spdif.c
@@ -284,7 +284,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev)
 	spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT;
 	spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 	spdif->playback_dma_data.maxburst = 4;
-	spdif->playback_dma_data.slave_id = dmareq->start;
 
 	pm_runtime_enable(&pdev->dev);
 
-- 
2.30.2