Use devm_request_and_ioremap for requesting and mapping the IO region. This makes the code a bit smaller and simpler.
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/codecs/jz4740.c | 41 ++++------------------------------------- 1 files changed, 4 insertions(+), 37 deletions(-)
diff --git a/sound/soc/codecs/jz4740.c b/sound/soc/codecs/jz4740.c index 51b4f99..1661202 100644 --- a/sound/soc/codecs/jz4740.c +++ b/sound/soc/codecs/jz4740.c @@ -74,7 +74,6 @@ static const uint32_t jz4740_codec_regs[] = {
struct jz4740_codec { void __iomem *base; - struct resource *mem; };
static unsigned int jz4740_codec_read(struct snd_soc_codec *codec, @@ -371,56 +370,24 @@ static int __devinit jz4740_codec_probe(struct platform_device *pdev) return -ENOMEM;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "Failed to get mmio memory resource\n"); - ret = -ENOENT; - goto err_out; - } - - mem = request_mem_region(mem->start, resource_size(mem), pdev->name); - if (!mem) { - dev_err(&pdev->dev, "Failed to request mmio memory region\n"); - ret = -EBUSY; - goto err_out; - } - - jz4740_codec->base = ioremap(mem->start, resource_size(mem)); - if (!jz4740_codec->base) { - dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); - ret = -EBUSY; - goto err_release_mem_region; - } - jz4740_codec->mem = mem; + jz4740_codec->base = devm_request_and_ioremap(&pdev->dev, mem); + if (!jz4740_codec->base) + return -EBUSY;
platform_set_drvdata(pdev, jz4740_codec);
ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_jz4740_codec, &jz4740_codec_dai, 1); - if (ret) { + if (ret) dev_err(&pdev->dev, "Failed to register codec\n"); - goto err_iounmap; - } - - return 0;
-err_iounmap: - iounmap(jz4740_codec->base); -err_release_mem_region: - release_mem_region(mem->start, resource_size(mem)); -err_out: return ret; }
static int __devexit jz4740_codec_remove(struct platform_device *pdev) { - struct jz4740_codec *jz4740_codec = platform_get_drvdata(pdev); - struct resource *mem = jz4740_codec->mem; - snd_soc_unregister_codec(&pdev->dev);
- iounmap(jz4740_codec->base); - release_mem_region(mem->start, resource_size(mem)); - platform_set_drvdata(pdev, NULL);
return 0;