[PATCH 2/2] [RFC] ASoC: samsung: remove unused DMA data

[Arnd Bergmann <arnd@arndb.de>]

The s3c_dma_client structures and the 'ch' and 'ops' members in
s3c_dma_params were only used by the legacy DMA driver and serve
no function any more. This removes any reference to them.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
---
 sound/soc/samsung/ac97.c        | 15 ---------------
 sound/soc/samsung/dma.h         |  7 -------
 sound/soc/samsung/i2s.c         |  6 ------
 sound/soc/samsung/pcm.c         | 12 ------------
 sound/soc/samsung/s3c-i2s-v2.c  | 10 ----------
 sound/soc/samsung/s3c2412-i2s.c | 10 ----------
 sound/soc/samsung/s3c24xx-i2s.c | 10 ----------
 sound/soc/samsung/spdif.c       |  5 -----
 8 files changed, 75 deletions(-)

diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index a674827..c96babc 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -39,30 +39,15 @@ struct s3c_ac97_info {
 };
 static struct s3c_ac97_info s3c_ac97;
 
-static struct s3c_dma_client s3c_dma_client_out = {
-	.name = "AC97 PCMOut"
-};
-
-static struct s3c_dma_client s3c_dma_client_in = {
-	.name = "AC97 PCMIn"
-};
-
-static struct s3c_dma_client s3c_dma_client_micin = {
-	.name = "AC97 MicIn"
-};
-
 static struct s3c_dma_params s3c_ac97_pcm_out = {
-	.client		= &s3c_dma_client_out,
 	.dma_size	= 4,
 };
 
 static struct s3c_dma_params s3c_ac97_pcm_in = {
-	.client		= &s3c_dma_client_in,
 	.dma_size	= 4,
 };
 
 static struct s3c_dma_params s3c_ac97_mic_in = {
-	.client		= &s3c_dma_client_micin,
 	.dma_size	= 4,
 };
 
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 070ab0f..0e85dcf 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -14,17 +14,10 @@
 
 #include <sound/dmaengine_pcm.h>
 
-struct s3c_dma_client {
-	char *name;
-};
-
 struct s3c_dma_params {
-	struct s3c_dma_client *client;	/* stream identifier */
 	int channel;				/* Channel ID */
 	dma_addr_t dma_addr;
 	int dma_size;			/* Size of the DMA transfer */
-	unsigned ch;
-	struct samsung_dma_ops *ops;
 	char *ch_name;
 	struct snd_dmaengine_dai_dma_data dma_data;
 };
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 2ac76fa..6b9de74 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1216,11 +1216,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
 
 	pri_dai->dma_playback.dma_addr = regs_base + I2STXD;
 	pri_dai->dma_capture.dma_addr = regs_base + I2SRXD;
-	pri_dai->dma_playback.client =
-		(struct s3c_dma_client *)&pri_dai->dma_playback;
 	pri_dai->dma_playback.ch_name = "tx";
-	pri_dai->dma_capture.client =
-		(struct s3c_dma_client *)&pri_dai->dma_capture;
 	pri_dai->dma_capture.ch_name = "rx";
 	pri_dai->dma_playback.dma_size = 4;
 	pri_dai->dma_capture.dma_size = 4;
@@ -1238,8 +1234,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)
 			goto err;
 		}
 		sec_dai->dma_playback.dma_addr = regs_base + I2STXDS;
-		sec_dai->dma_playback.client =
-			(struct s3c_dma_client *)&sec_dai->dma_playback;
 		sec_dai->dma_playback.ch_name = "tx-sec";
 
 		if (!np) {
diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c
index 4c5f97f..bac034b 100644
--- a/sound/soc/samsung/pcm.c
+++ b/sound/soc/samsung/pcm.c
@@ -131,32 +131,20 @@ struct s3c_pcm_info {
 	struct s3c_dma_params	*dma_capture;
 };
 
-static struct s3c_dma_client s3c_pcm_dma_client_out = {
-	.name		= "PCM Stereo out"
-};
-
-static struct s3c_dma_client s3c_pcm_dma_client_in = {
-	.name		= "PCM Stereo in"
-};
-
 static struct s3c_dma_params s3c_pcm_stereo_out[] = {
 	[0] = {
-		.client		= &s3c_pcm_dma_client_out,
 		.dma_size	= 4,
 	},
 	[1] = {
-		.client		= &s3c_pcm_dma_client_out,
 		.dma_size	= 4,
 	},
 };
 
 static struct s3c_dma_params s3c_pcm_stereo_in[] = {
 	[0] = {
-		.client		= &s3c_pcm_dma_client_in,
 		.dma_size	= 4,
 	},
 	[1] = {
-		.client		= &s3c_pcm_dma_client_in,
 		.dma_size	= 4,
 	},
 };
diff --git a/sound/soc/samsung/s3c-i2s-v2.c b/sound/soc/samsung/s3c-i2s-v2.c
index 0ff4bbe..113e5cb 100644
--- a/sound/soc/samsung/s3c-i2s-v2.c
+++ b/sound/soc/samsung/s3c-i2s-v2.c
@@ -22,8 +22,6 @@
 #include <sound/soc.h>
 #include <sound/pcm_params.h>
 
-#include <mach/dma.h>
-
 #include "regs-i2s-v2.h"
 #include "s3c-i2s-v2.h"
 #include "dma.h"
@@ -423,14 +421,6 @@ static int s3c2412_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
 			s3c2412_snd_txctrl(i2s, 1);
 
 		local_irq_restore(irqs);
-
-		/*
-		 * Load the next buffer to DMA to meet the reqirement
-		 * of the auto reload mechanism of S3C24XX.
-		 * This call won't bother S3C64XX.
-		 */
-		s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
-
 		break;
 
 	case SNDRV_PCM_TRIGGER_STOP:
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 08c059b..c8d2421 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -33,23 +33,13 @@
 #include "regs-i2s-v2.h"
 #include "s3c2412-i2s.h"
 
-static struct s3c_dma_client s3c2412_dma_client_out = {
-	.name		= "I2S PCM Stereo out"
-};
-
-static struct s3c_dma_client s3c2412_dma_client_in = {
-	.name		= "I2S PCM Stereo in"
-};
-
 static struct s3c_dma_params s3c2412_i2s_pcm_stereo_out = {
-	.client		= &s3c2412_dma_client_out,
 	.channel	= DMACH_I2S_OUT,
 	.dma_addr	= S3C2410_PA_IIS + S3C2412_IISTXD,
 	.dma_size	= 4,
 };
 
 static struct s3c_dma_params s3c2412_i2s_pcm_stereo_in = {
-	.client		= &s3c2412_dma_client_in,
 	.channel	= DMACH_I2S_IN,
 	.dma_addr	= S3C2410_PA_IIS + S3C2412_IISRXD,
 	.dma_size	= 4,
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 890d241..2d8203f 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -31,23 +31,13 @@
 #include "dma.h"
 #include "s3c24xx-i2s.h"
 
-static struct s3c_dma_client s3c24xx_dma_client_out = {
-	.name = "I2S PCM Stereo out"
-};
-
-static struct s3c_dma_client s3c24xx_dma_client_in = {
-	.name = "I2S PCM Stereo in"
-};
-
 static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_out = {
-	.client		= &s3c24xx_dma_client_out,
 	.channel	= DMACH_I2S_OUT,
 	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO,
 	.dma_size	= 2,
 };
 
 static struct s3c_dma_params s3c24xx_i2s_pcm_stereo_in = {
-	.client		= &s3c24xx_dma_client_in,
 	.channel	= DMACH_I2S_IN,
 	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO,
 	.dma_size	= 2,
diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index d9ffc48..d7d2e20 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -93,10 +93,6 @@ struct samsung_spdif_info {
 	struct s3c_dma_params	*dma_playback;
 };
 
-static struct s3c_dma_client spdif_dma_client_out = {
-	.name		= "S/PDIF Stereo out",
-};
-
 static struct s3c_dma_params spdif_stereo_out;
 static struct samsung_spdif_info spdif_info;
 
@@ -435,7 +431,6 @@ static int spdif_probe(struct platform_device *pdev)
 	}
 
 	spdif_stereo_out.dma_size = 2;
-	spdif_stereo_out.client = &spdif_dma_client_out;
 	spdif_stereo_out.dma_addr = mem_res->start + DATA_OUTBUF;
 	spdif_stereo_out.channel = dma_res->start;