[PATCH 1/5] ASoC: samsung: remove DMA filter function and data

Arnd Bergmann
2023-01-18T16:16:08Z

From: Arnd Bergmann <arnd@arndb.de>

This data is no longer passed by the platform code, so
there is no point passing it down at all.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
include/linux/platform_data/asoc-s3c.h | 6 ------
sound/soc/samsung/dma.h | 2 +-
sound/soc/samsung/dmaengine.c | 3 +--
sound/soc/samsung/i2s.c | 21 +++------------------
sound/soc/samsung/pcm.c | 11 +----------
sound/soc/samsung/spdif.c | 9 +--------
6 files changed, 7 insertions(+), 45 deletions(-)

diff --git a/include/linux/platform_data/asoc-s3c.h b/include/linux/platform_data/asoc-s3c.h
index f9c00f839e9f..84874433cf21 100644
--- a/include/linux/platform_data/asoc-s3c.h
+++ b/include/linux/platform_data/asoc-s3c.h
@@ -30,7 +30,6 @@ struct samsung_i2s_type {
#define QUIRK_SUPPORTS_IDMA (1 << 5)
/* Quirks of the I2S controller */
u32 quirks;
- dma_addr_t idma_addr;
};

/**
@@ -39,10 +38,5 @@ struct samsung_i2s_type {
*/
struct s3c_audio_pdata {
int (*cfg_gpio)(struct platform_device *);
- dma_filter_fn dma_filter;
- void *dma_playback;
- void *dma_capture;
- void *dma_play_sec;
- void *dma_capture_mic;
struct samsung_i2s_type type;
};
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 7b5d4556e0fd..bd0faf84972e 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -12,7 +12,7 @@
* @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx",
* otherwise actual DMA channel names must be passed to this function.
*/
-int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
+int samsung_asoc_dma_platform_register(struct device *dev,
const char *tx, const char *rx,
struct device *dma_dev);
#endif /* _SAMSUNG_DMA_H */
diff --git a/sound/soc/samsung/dmaengine.c b/sound/soc/samsung/dmaengine.c
index 2802789a323e..900953ee3786 100644
--- a/sound/soc/samsung/dmaengine.c
+++ b/sound/soc/samsung/dmaengine.c
@@ -14,7 +14,7 @@

#include "dma.h"

-int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
+int samsung_asoc_dma_platform_register(struct device *dev,
const char *tx, const char *rx,
struct device *dma_dev)
{
@@ -25,7 +25,6 @@ int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
return -ENOMEM;

pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
- pcm_conf->compat_filter_fn = filter;
pcm_conf->dma_dev = dma_dev;

pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 9505200f3d11..052c263c126a 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -79,7 +79,6 @@ struct i2s_dai {
struct snd_dmaengine_dai_dma_data dma_playback;
struct snd_dmaengine_dai_dma_data dma_capture;
struct snd_dmaengine_dai_dma_data idma_playback;
- dma_filter_fn filter;

struct samsung_i2s_priv *priv;
};
@@ -1431,13 +1430,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
spin_lock_init(&priv->lock);
spin_lock_init(&priv->pcm_lock);

- if (!np) {
- pri_dai->dma_playback.filter_data = i2s_pdata->dma_playback;
- pri_dai->dma_capture.filter_data = i2s_pdata->dma_capture;
- pri_dai->filter = i2s_pdata->dma_filter;
-
- idma_addr = i2s_pdata->type.idma_addr;
- } else {
+ if (np) {
if (of_property_read_u32(np, "samsung,idma-addr",
&idma_addr)) {
if (priv->quirks & QUIRK_SUPPORTS_IDMA) {
@@ -1475,8 +1468,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
if (priv->quirks & QUIRK_PRI_6CHAN)
pri_dai->drv->playback.channels_max = 6;

- ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter,
- "tx", "rx", NULL);
+ ret = samsung_asoc_dma_platform_register(&pdev->dev, "tx", "rx", NULL);
if (ret < 0)
goto err_disable_clk;

@@ -1485,12 +1477,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)

sec_dai->dma_playback.addr = regs_base + I2STXDS;
sec_dai->dma_playback.chan_name = "tx-sec";
-
- if (!np) {
- sec_dai->dma_playback.filter_data = i2s_pdata->dma_play_sec;
- sec_dai->filter = i2s_pdata->dma_filter;
- }
-
sec_dai->dma_playback.addr_width = 4;
sec_dai->idma_playback.addr = idma_addr;
sec_dai->pri_dai = pri_dai;
@@ -1502,8 +1488,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
goto err_disable_clk;

ret = samsung_asoc_dma_platform_register(&priv->pdev_sec->dev,
- sec_dai->filter, "tx-sec", NULL,
- &pdev->dev);
+ "tx-sec", NULL, &pdev->dev);
if (ret < 0)
goto err_del_sec;

diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c
index e859252ae5e6..2f3a99de6434 100644
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -489,7 +489,6 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev)
struct s3c_pcm_info *pcm;
struct resource *mem_res;
struct s3c_audio_pdata *pcm_pdata;
- dma_filter_fn filter;
int ret;

/* Check for valid device index */
@@ -542,18 +541,10 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev)
s3c_pcm_stereo_in[pdev->id].addr = mem_res->start + S3C_PCM_RXFIFO;
s3c_pcm_stereo_out[pdev->id].addr = mem_res->start + S3C_PCM_TXFIFO;

- filter = NULL;
- if (pcm_pdata) {
- s3c_pcm_stereo_in[pdev->id].filter_data = pcm_pdata->dma_capture;
- s3c_pcm_stereo_out[pdev->id].filter_data = pcm_pdata->dma_playback;
- filter = pcm_pdata->dma_filter;
- }
-
pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id];
pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];

- ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
- NULL, NULL, NULL);
+ ret = samsung_asoc_dma_platform_register(&pdev->dev, NULL, NULL, NULL);
if (ret) {
dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret);
goto err_dis_pclk;
diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index 7d815e237e5c..beabcadd7d1d 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -363,7 +363,6 @@ static int spdif_probe(struct platform_device *pdev)
struct s3c_audio_pdata *spdif_pdata;
struct resource *mem_res;
struct samsung_spdif_info *spdif;
- dma_filter_fn filter;
int ret;

spdif_pdata = pdev->dev.platform_data;
@@ -424,15 +423,9 @@ static int spdif_probe(struct platform_device *pdev)

spdif_stereo_out.addr_width = 2;
spdif_stereo_out.addr = mem_res->start + DATA_OUTBUF;
- filter = NULL;
- if (spdif_pdata) {
- spdif_stereo_out.filter_data = spdif_pdata->dma_playback;
- filter = spdif_pdata->dma_filter;
- }
spdif->dma_playback = &spdif_stereo_out;

- ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
- NULL, NULL, NULL);
+ ret = samsung_asoc_dma_platform_register(&pdev->dev, NULL, NULL, NULL);
if (ret) {
dev_err(&pdev->dev, "failed to register DMA: %d\n", ret);
goto err4;
--
2.39.0