ASoC: samsung: use irq resource for idma

With multiplatform kernels, we cannot use hardwired IRQ
numbers in device drivers. This changes the idma driver
to use a proper resource, like all other drivers do.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 14 insertions, 2 deletions

diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 51afedda9ab6..d81d9fbc8866 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -146,14 +146,20 @@ struct platform_device s3c_device_camif = {
 
 /* ASOC DMA */
 
+#ifdef CONFIG_PLAT_S5P 
+static struct resource samsung_asoc_idma_resource = DEFINE_RES_IRQ(IRQ_I2S0);
+
 struct platform_device samsung_asoc_idma = {
         .name           = "samsung-idma",
         .id             = -1,
+        .num_resources  = 1,
+        .resource       = &samsung_asoc_idma_resource,
         .dev            = {
                 .dma_mask               = &samsung_device_dma_mask,
                 .coherent_dma_mask      = DMA_BIT_MASK(32),
         }
 };
+#endif
 
 /* FB */
 
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index a07950b0c8ce..f36a5414f5c4 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -68,6 +68,8 @@ static struct idma_info {
         dma_addr_t      lp_tx_addr;
 } idma;
 
+static int idma_irq;
+
 static void idma_getpos(dma_addr_t *src)
 {
         *src = idma.lp_tx_addr +
@@ -305,7 +307,7 @@ static int idma_open(struct snd_pcm_substream *substream)
         if (prtd == NULL)
                 return -ENOMEM;
 
-        ret = request_irq(IRQ_I2S0, iis_irq, 0, "i2s", prtd);
+        ret = request_irq(idma_irq, iis_irq, 0, "i2s", prtd);
         if (ret < 0) {
                 pr_err("fail to claim i2s irq , ret = %d\n", ret);
                 kfree(prtd);
@@ -324,7 +326,7 @@ static int idma_close(struct snd_pcm_substream *substream)
         struct snd_pcm_runtime *runtime = substream->runtime;
         struct idma_ctrl *prtd = runtime->private_data;
 
-        free_irq(IRQ_I2S0, prtd);
+        free_irq(idma_irq, prtd);
 
         if (!prtd)
                 pr_err("idma_close called with prtd == NULL\n");
@@ -418,6 +420,10 @@ static struct snd_soc_platform_driver asoc_idma_platform = {
 
 static int asoc_idma_platform_probe(struct platform_device *pdev)
 {
+        idma_irq = platform_get_irq(pdev, 0);
+        if (idma_irq < 0)
+                return idma_irq;
+
         return snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
 }