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net: macb: Migrate to devm clock interface
Migrate to using the device managed interface for clocks and clean up the associated error paths. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1790,19 +1790,31 @@ static int __init macb_probe(struct platform_device *pdev)
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spin_lock_init(&bp->lock);
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INIT_WORK(&bp->tx_error_task, macb_tx_error_task);
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bp->pclk = clk_get(&pdev->dev, "pclk");
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bp->pclk = devm_clk_get(&pdev->dev, "pclk");
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if (IS_ERR(bp->pclk)) {
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dev_err(&pdev->dev, "failed to get macb_clk\n");
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err = PTR_ERR(bp->pclk);
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dev_err(&pdev->dev, "failed to get macb_clk (%u)\n", err);
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goto err_out_free_dev;
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}
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clk_prepare_enable(bp->pclk);
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bp->hclk = clk_get(&pdev->dev, "hclk");
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bp->hclk = devm_clk_get(&pdev->dev, "hclk");
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if (IS_ERR(bp->hclk)) {
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dev_err(&pdev->dev, "failed to get hclk\n");
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goto err_out_put_pclk;
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err = PTR_ERR(bp->hclk);
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dev_err(&pdev->dev, "failed to get hclk (%u)\n", err);
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goto err_out_free_dev;
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}
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err = clk_prepare_enable(bp->pclk);
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if (err) {
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dev_err(&pdev->dev, "failed to enable pclk (%u)\n", err);
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goto err_out_free_dev;
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}
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err = clk_prepare_enable(bp->hclk);
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if (err) {
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dev_err(&pdev->dev, "failed to enable hclk (%u)\n", err);
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goto err_out_disable_pclk;
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}
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clk_prepare_enable(bp->hclk);
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bp->regs = ioremap(regs->start, resource_size(regs));
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if (!bp->regs) {
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@ -1908,10 +1920,8 @@ err_out_iounmap:
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iounmap(bp->regs);
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err_out_disable_clocks:
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clk_disable_unprepare(bp->hclk);
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clk_put(bp->hclk);
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err_out_disable_pclk:
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clk_disable_unprepare(bp->pclk);
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err_out_put_pclk:
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clk_put(bp->pclk);
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err_out_free_dev:
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free_netdev(dev);
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err_out:
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@ -1936,9 +1946,7 @@ static int __exit macb_remove(struct platform_device *pdev)
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free_irq(dev->irq, dev);
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iounmap(bp->regs);
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clk_disable_unprepare(bp->hclk);
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clk_put(bp->hclk);
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clk_disable_unprepare(bp->pclk);
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clk_put(bp->pclk);
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free_netdev(dev);
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}
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