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 <a...@arndb.de>
Cc: alsa-de...@alsa-project.org
Cc: Mark Brown <broo...@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lgirdw...@gmail.com>
---
arch/arm/plat-samsung/devs.c | 6 ++++++
sound/soc/samsung/idma.c | 10 ++++++++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 78be9c0..b441908 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -145,14 +145,20 @@ 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 a07950b..f36a541 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);
}
--
1.8.1.2
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
