if (ret)
return ret;
- xor_dev->reg_clk = devm_clk_get(&pdev->dev, "reg");
- if (PTR_ERR(xor_dev->reg_clk) != -ENOENT) {
- if (!IS_ERR(xor_dev->reg_clk)) {
- ret = clk_prepare_enable(xor_dev->reg_clk);
- if (ret)
- return ret;
- } else {
- return PTR_ERR(xor_dev->reg_clk);
- }
- }
+ xor_dev->reg_clk = devm_clk_get_optional_enabled(&pdev->dev, "reg");
+ if (IS_ERR(xor_dev->reg_clk))
+ return PTR_ERR(xor_dev->reg_clk);
- xor_dev->clk = devm_clk_get(&pdev->dev, NULL);
- if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) {
- ret = EPROBE_DEFER;
- goto disable_reg_clk;
- }
- if (!IS_ERR(xor_dev->clk)) {
- ret = clk_prepare_enable(xor_dev->clk);
- if (ret)
- goto disable_reg_clk;
- }
+ xor_dev->clk = devm_clk_get_enabled(&pdev->dev, NULL);
+ if (IS_ERR(xor_dev->clk))
+ return PTR_ERR(xor_dev->clk);
ret = platform_msi_domain_alloc_irqs(&pdev->dev, 1,
mv_xor_v2_set_msi_msg);
if (ret)
- goto disable_clk;
+ return ret;
xor_dev->irq = msi_get_virq(&pdev->dev, 0);
xor_dev->hw_desq_virt, xor_dev->hw_desq);
free_msi_irqs:
platform_msi_domain_free_irqs(&pdev->dev);
-disable_clk:
- clk_disable_unprepare(xor_dev->clk);
-disable_reg_clk:
- clk_disable_unprepare(xor_dev->reg_clk);
return ret;
}
tasklet_kill(&xor_dev->irq_tasklet);
- clk_disable_unprepare(xor_dev->clk);
- clk_disable_unprepare(xor_dev->reg_clk);
-
return 0;
}
module_platform_driver(mv_xor_v2_driver);
MODULE_DESCRIPTION("DMA engine driver for Marvell's Version 2 of XOR engine");
-MODULE_LICENSE("GPL");