avr32: Use platform_driver_probe for pdc platform driver
[linux-2.6.git] / arch / avr32 / mach-at32ap / pdc.c
1 /*
2  * Copyright (C) 2006 Atmel Corporation
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8
9 #include <linux/clk.h>
10 #include <linux/err.h>
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13
14 static int __init pdc_probe(struct platform_device *pdev)
15 {
16         struct clk *pclk, *hclk;
17
18         pclk = clk_get(&pdev->dev, "pclk");
19         if (IS_ERR(pclk)) {
20                 dev_err(&pdev->dev, "no pclk defined\n");
21                 return PTR_ERR(pclk);
22         }
23         hclk = clk_get(&pdev->dev, "hclk");
24         if (IS_ERR(hclk)) {
25                 dev_err(&pdev->dev, "no hclk defined\n");
26                 clk_put(pclk);
27                 return PTR_ERR(hclk);
28         }
29
30         clk_enable(pclk);
31         clk_enable(hclk);
32
33         dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n");
34         return 0;
35 }
36
37 static struct platform_driver pdc_driver = {
38         .driver         = {
39                 .name   = "pdc",
40         },
41 };
42
43 static int __init pdc_init(void)
44 {
45         return platform_driver_probe(&pdc_driver, pdc_probe);
46 }
47 arch_initcall(pdc_init);