/* * Copyright (C) 2006 Atmel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/clk.h> #include <linux/err.h> #include <linux/init.h> #include <linux/platform_device.h> static int __init pdc_probe(struct platform_device *pdev) { struct clk *pclk, *hclk; pclk = clk_get(&pdev->dev, "pclk"); if (IS_ERR(pclk)) { dev_err(&pdev->dev, "no pclk defined\n"); return PTR_ERR(pclk); } hclk = clk_get(&pdev->dev, "hclk"); if (IS_ERR(hclk)) { dev_err(&pdev->dev, "no hclk defined\n"); clk_put(pclk); return PTR_ERR(hclk); } clk_enable(pclk); clk_enable(hclk); dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n"); return 0; } static struct platform_driver pdc_driver = { .driver = { .name = "pdc", }, }; static int __init pdc_init(void) { return platform_driver_probe(&pdc_driver, pdc_probe); } arch_initcall(pdc_init);