diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/samsung/i2s.c | 45 |
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; |