ASoC: ep93xx-i2s: use devm_* helpers to cleanup probe
Use the devm_* helpers to cleanup the probe routine. This also eliminates having to carry the mem value in the private data for the remove. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Tested-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: Mika Westerberg <mika.westerberg@iki.fi> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -63,7 +63,6 @@ struct ep93xx_i2s_info {
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struct clk *sclk;
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struct clk *lrclk;
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struct ep93xx_pcm_dma_params *dma_params;
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struct resource *mem;
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void __iomem *regs;
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};
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@ -373,38 +372,22 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
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struct resource *res;
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int err;
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info = kzalloc(sizeof(struct ep93xx_i2s_info), GFP_KERNEL);
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if (!info) {
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err = -ENOMEM;
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goto fail;
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}
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dev_set_drvdata(&pdev->dev, info);
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info->dma_params = ep93xx_i2s_dma_params;
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info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
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if (!info)
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return -ENOMEM;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res) {
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err = -ENODEV;
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goto fail_free_info;
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}
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if (!res)
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return -ENODEV;
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info->mem = request_mem_region(res->start, resource_size(res),
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pdev->name);
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if (!info->mem) {
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err = -EBUSY;
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goto fail_free_info;
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}
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info->regs = ioremap(info->mem->start, resource_size(info->mem));
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if (!info->regs) {
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err = -ENXIO;
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goto fail_release_mem;
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}
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info->regs = devm_request_and_ioremap(&pdev->dev, res);
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if (!info->regs)
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return -ENXIO;
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info->mclk = clk_get(&pdev->dev, "mclk");
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if (IS_ERR(info->mclk)) {
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err = PTR_ERR(info->mclk);
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goto fail_unmap_mem;
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goto fail;
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}
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info->sclk = clk_get(&pdev->dev, "sclk");
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@ -419,6 +402,9 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
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goto fail_put_sclk;
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}
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dev_set_drvdata(&pdev->dev, info);
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info->dma_params = ep93xx_i2s_dma_params;
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err = snd_soc_register_dai(&pdev->dev, &ep93xx_i2s_dai);
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if (err)
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goto fail_put_lrclk;
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@ -426,17 +412,12 @@ static int ep93xx_i2s_probe(struct platform_device *pdev)
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return 0;
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fail_put_lrclk:
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dev_set_drvdata(&pdev->dev, NULL);
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clk_put(info->lrclk);
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fail_put_sclk:
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clk_put(info->sclk);
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fail_put_mclk:
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clk_put(info->mclk);
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fail_unmap_mem:
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iounmap(info->regs);
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fail_release_mem:
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release_mem_region(info->mem->start, resource_size(info->mem));
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fail_free_info:
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kfree(info);
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fail:
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return err;
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}
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@ -446,12 +427,10 @@ static int __devexit ep93xx_i2s_remove(struct platform_device *pdev)
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struct ep93xx_i2s_info *info = dev_get_drvdata(&pdev->dev);
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snd_soc_unregister_dai(&pdev->dev);
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dev_set_drvdata(&pdev->dev, NULL);
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clk_put(info->lrclk);
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clk_put(info->sclk);
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clk_put(info->mclk);
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iounmap(info->regs);
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release_mem_region(info->mem->start, resource_size(info->mem));
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kfree(info);
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return 0;
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}
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