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Diffstat (limited to 'sound/soc/samsung/ac97.c')
-rw-r--r--sound/soc/samsung/ac97.c42
1 files changed, 14 insertions, 28 deletions
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index cb88ead98917..2dd623fa3882 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -214,13 +214,12 @@ static irqreturn_t s3c_ac97_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-struct snd_ac97_bus_ops soc_ac97_ops = {
+static struct snd_ac97_bus_ops s3c_ac97_ops = {
.read = s3c_ac97_read,
.write = s3c_ac97_write,
.warm_reset = s3c_ac97_warm_reset,
.reset = s3c_ac97_cold_reset,
};
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
static int s3c_ac97_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
@@ -417,11 +416,9 @@ static int s3c_ac97_probe(struct platform_device *pdev)
return -ENXIO;
}
- if (!request_mem_region(mem_res->start,
- resource_size(mem_res), "ac97")) {
- dev_err(&pdev->dev, "Unable to request register region\n");
- return -EBUSY;
- }
+ s3c_ac97.regs = devm_ioremap_resource(&pdev->dev, mem_res);
+ if (IS_ERR(s3c_ac97.regs))
+ return PTR_ERR(s3c_ac97.regs);
s3c_ac97_pcm_out.channel = dmatx_res->start;
s3c_ac97_pcm_out.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
@@ -433,14 +430,7 @@ static int s3c_ac97_probe(struct platform_device *pdev)
init_completion(&s3c_ac97.done);
mutex_init(&s3c_ac97.lock);
- s3c_ac97.regs = ioremap(mem_res->start, resource_size(mem_res));
- if (s3c_ac97.regs == NULL) {
- dev_err(&pdev->dev, "Unable to ioremap register region\n");
- ret = -ENXIO;
- goto err1;
- }
-
- s3c_ac97.ac97_clk = clk_get(&pdev->dev, "ac97");
+ s3c_ac97.ac97_clk = devm_clk_get(&pdev->dev, "ac97");
if (IS_ERR(s3c_ac97.ac97_clk)) {
dev_err(&pdev->dev, "ac97 failed to get ac97_clock\n");
ret = -ENODEV;
@@ -461,6 +451,12 @@ static int s3c_ac97_probe(struct platform_device *pdev)
goto err4;
}
+ ret = snd_soc_set_ac97_ops(&s3c_ac97_ops);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to set AC'97 ops: %d\n", ret);
+ goto err4;
+ }
+
ret = snd_soc_register_component(&pdev->dev, &s3c_ac97_component,
s3c_ac97_dai, ARRAY_SIZE(s3c_ac97_dai));
if (ret)
@@ -480,18 +476,14 @@ err5:
err4:
err3:
clk_disable_unprepare(s3c_ac97.ac97_clk);
- clk_put(s3c_ac97.ac97_clk);
err2:
- iounmap(s3c_ac97.regs);
-err1:
- release_mem_region(mem_res->start, resource_size(mem_res));
-
+ snd_soc_set_ac97_ops(NULL);
return ret;
}
static int s3c_ac97_remove(struct platform_device *pdev)
{
- struct resource *mem_res, *irq_res;
+ struct resource *irq_res;
asoc_dma_platform_unregister(&pdev->dev);
snd_soc_unregister_component(&pdev->dev);
@@ -501,13 +493,7 @@ static int s3c_ac97_remove(struct platform_device *pdev)
free_irq(irq_res->start, NULL);
clk_disable_unprepare(s3c_ac97.ac97_clk);
- clk_put(s3c_ac97.ac97_clk);
-
- iounmap(s3c_ac97.regs);
-
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (mem_res)
- release_mem_region(mem_res->start, resource_size(mem_res));
+ snd_soc_set_ac97_ops(NULL);
return 0;
}