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Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/samsung/i2s.c45
1 files changed, 7 insertions, 38 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index aa52b41..366b720 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -59,10 +59,8 @@ struct samsung_i2s_dai_data {
struct i2s_dai {
/* Platform device for this DAI */
struct platform_device *pdev;
- /* IOREMAP'd SFRs */
+ /* Memory mapped SFR region */
void __iomem *addr;
- /* Physical base address of SFRs */
- u32 base;
/* Rate of RCLK source clock */
unsigned long rclk_srcrate;
/* Frame Clock */
@@ -979,16 +977,9 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
goto probe_exit;
}
- i2s->addr = ioremap(i2s->base, 0x100);
- if (i2s->addr == NULL) {
- dev_err(&i2s->pdev->dev, "cannot ioremap registers\n");
- return -ENXIO;
- }
-
i2s->clk = clk_get(&i2s->pdev->dev, "iis");
if (IS_ERR(i2s->clk)) {
dev_err(&i2s->pdev->dev, "failed to get i2s_clock\n");
- iounmap(i2s->addr);
return PTR_ERR(i2s->clk);
}
@@ -1001,7 +992,6 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);
if (other) {
- other->addr = i2s->addr;
other->clk = i2s->clk;
}
@@ -1043,8 +1033,6 @@ static int samsung_i2s_dai_remove(struct snd_soc_dai *dai)
clk_disable_unprepare(i2s->clk);
clk_put(i2s->clk);
-
- iounmap(i2s->addr);
}
i2s->clk = NULL;
@@ -1162,7 +1150,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)
u32 regs_base, quirks = 0, idma_addr = 0;
struct device_node *np = pdev->dev.of_node;
const struct samsung_i2s_dai_data *i2s_dai_data;
- int ret = 0;
/* Call during Seconday interface registration */
i2s_dai_data = samsung_i2s_get_driver_data(pdev);
@@ -1229,16 +1216,10 @@ static int samsung_i2s_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "Unable to get I2S SFR address\n");
- return -ENXIO;
- }
+ pri_dai->addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(pri_dai->addr))
+ return PTR_ERR(pri_dai->addr);
- if (!request_mem_region(res->start, resource_size(res),
- "samsung-i2s")) {
- dev_err(&pdev->dev, "Unable to request SFR region\n");
- return -EBUSY;
- }
regs_base = res->start;
pri_dai->dma_playback.dma_addr = regs_base + I2STXD;
@@ -1247,7 +1228,6 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->dma_capture.ch_name = "rx";
pri_dai->dma_playback.dma_size = 4;
pri_dai->dma_capture.dma_size = 4;
- pri_dai->base = regs_base;
pri_dai->quirks = quirks;
pri_dai->variant_regs = i2s_dai_data->i2s_variant_regs;
@@ -1258,8 +1238,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
sec_dai = i2s_alloc_dai(pdev, true);
if (!sec_dai) {
dev_err(&pdev->dev, "Unable to alloc I2S_sec\n");
- ret = -ENOMEM;
- goto err;
+ return -ENOMEM;
}
sec_dai->variant_regs = pri_dai->variant_regs;
@@ -1273,7 +1252,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
}
sec_dai->dma_playback.dma_size = 4;
- sec_dai->base = regs_base;
+ sec_dai->addr = pri_dai->addr;
sec_dai->quirks = quirks;
sec_dai->idma_playback.dma_addr = idma_addr;
sec_dai->pri_dai = pri_dai;
@@ -1282,8 +1261,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
dev_err(&pdev->dev, "Unable to configure gpio\n");
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
devm_snd_soc_register_component(&pri_dai->pdev->dev,
@@ -1297,17 +1275,11 @@ static int samsung_i2s_probe(struct platform_device *pdev)
return ret;
return 0;
-err:
- if (res)
- release_mem_region(regs_base, resource_size(res));
-
- return ret;
}
static int samsung_i2s_remove(struct platform_device *pdev)
{
struct i2s_dai *i2s, *other;
- struct resource *res;
i2s = dev_get_drvdata(&pdev->dev);
other = i2s->pri_dai ? : i2s->sec_dai;
@@ -1317,9 +1289,6 @@ static int samsung_i2s_remove(struct platform_device *pdev)
other->sec_dai = NULL;
} else {
pm_runtime_disable(&pdev->dev);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
- release_mem_region(res->start, resource_size(res));
}
i2s->pri_dai = NULL;