← Back to branch summary

~ubuntu-branches/ubuntu/precise/linux-lowlatency/precise

« back to all changes in this revision

Viewing changes to arch/avr32/mach-at32ap/pdc.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

Show diffs side-by-side

added added

removed removed

Lines of Context:
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);