ASoC: fsl: mpc5200 combine psc_dma platform data

The mpc5200_psc_ac97 and mpc5200_psc_i2s modules rely on shared platform data
with mpc5200_dma.

Signed-off-by: Eric Millbrandt <emillbrandt@dekaresearch.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

4 files changed, 17 insertions, 20 deletions

diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index 9a3f7c5ab687..9997c039bb24 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -370,7 +370,7 @@ static struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
         .pcm_free       = &psc_dma_free,
 };
 
-static int mpc5200_hpcd_probe(struct platform_device *op)
+int mpc5200_audio_dma_create(struct platform_device *op)
 {
         phys_addr_t fifo;
         struct psc_dma *psc_dma;
@@ -487,8 +487,9 @@ out_unmap:
         iounmap(regs);
         return ret;
 }
+EXPORT_SYMBOL_GPL(mpc5200_audio_dma_create);
 
-static int mpc5200_hpcd_remove(struct platform_device *op)
+int mpc5200_audio_dma_destroy(struct platform_device *op)
 {
         struct psc_dma *psc_dma = dev_get_drvdata(&op->dev);
 
@@ -510,24 +511,7 @@ static int mpc5200_hpcd_remove(struct platform_device *op)
 
         return 0;
 }
-
-static struct of_device_id mpc5200_hpcd_match[] = {
-        { .compatible = "fsl,mpc5200-pcm", },
-        {}
-};
-MODULE_DEVICE_TABLE(of, mpc5200_hpcd_match);
-
-static struct platform_driver mpc5200_hpcd_of_driver = {
-        .probe          = mpc5200_hpcd_probe,
-        .remove         = mpc5200_hpcd_remove,
-        .driver = {
-                .owner          = THIS_MODULE,
-                .name           = "mpc5200-pcm-audio",
-                .of_match_table    = mpc5200_hpcd_match,
-        }
-};
-
-module_platform_driver(mpc5200_hpcd_of_driver);
+EXPORT_SYMBOL_GPL(mpc5200_audio_dma_destroy);
 
 MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
 MODULE_DESCRIPTION("Freescale MPC5200 PSC in DMA mode ASoC Driver");
diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h
index a3c0cd5382fb..dff253fde29a 100644
--- a/sound/soc/fsl/mpc5200_dma.h
+++ b/sound/soc/fsl/mpc5200_dma.h
@@ -81,4 +81,7 @@ to_psc_dma_stream(struct snd_pcm_substream *substream, struct psc_dma *psc_dma)
         return &psc_dma->playback;
 }
 
+int mpc5200_audio_dma_create(struct platform_device *op);
+int mpc5200_audio_dma_destroy(struct platform_device *op);
+
 #endif /* __SOUND_SOC_FSL_MPC5200_DMA_H__ */
diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c
index ffa00a2eb770..9a094535fb26 100644
--- a/sound/soc/fsl/mpc5200_psc_ac97.c
+++ b/sound/soc/fsl/mpc5200_psc_ac97.c
@@ -278,6 +278,10 @@ static int __devinit psc_ac97_of_probe(struct platform_device *op)
         struct snd_ac97 ac97;
         struct mpc52xx_psc __iomem *regs;
 
+        rc = mpc5200_audio_dma_create(op);
+        if (rc != 0)
+                return rc;
+
         rc = snd_soc_register_dais(&op->dev, psc_ac97_dai, ARRAY_SIZE(psc_ac97_dai));
         if (rc != 0) {
                 dev_err(&op->dev, "Failed to register DAI\n");
@@ -303,6 +307,7 @@ static int __devinit psc_ac97_of_probe(struct platform_device *op)
 
 static int __devexit psc_ac97_of_remove(struct platform_device *op)
 {
+        mpc5200_audio_dma_destroy(op);
         snd_soc_unregister_dais(&op->dev, ARRAY_SIZE(psc_ac97_dai));
         return 0;
 }
diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c
index 7b530327553a..c0b7a23ebbfd 100644
--- a/sound/soc/fsl/mpc5200_psc_i2s.c
+++ b/sound/soc/fsl/mpc5200_psc_i2s.c
@@ -156,6 +156,10 @@ static int __devinit psc_i2s_of_probe(struct platform_device *op)
         struct psc_dma *psc_dma;
         struct mpc52xx_psc __iomem *regs;
 
+        rc = mpc5200_audio_dma_create(op);
+        if (rc != 0)
+                return rc;
+
         rc = snd_soc_register_dais(&op->dev, psc_i2s_dai, ARRAY_SIZE(psc_i2s_dai));
         if (rc != 0) {
                 pr_err("Failed to register DAI\n");
@@ -200,6 +204,7 @@ static int __devinit psc_i2s_of_probe(struct platform_device *op)
 
 static int __devexit psc_i2s_of_remove(struct platform_device *op)
 {
+        mpc5200_audio_dma_destroy(op);
         snd_soc_unregister_dais(&op->dev, ARRAY_SIZE(psc_i2s_dai));
         return 0;
 }