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Commit b4689444 authored by Ulf Hansson's avatar Ulf Hansson Committed by Mike Turquette
Browse files

cpufreq: db8500: Register as a platform driver 



To fetch the mfd child device we register the cpufreq driver
as a platform driver.

Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Acked-by: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarMike Turquette <mturquette@linaro.org>
parent c280f45f

drivers/cpufreq/db8500-cpufreq.c

+19 −1
Original line number Diff line number Diff line
@@ -8,10 +8,12 @@ 
 * Author: Jonas Aaberg <jonas.aberg@stericsson.com>

 *

 */

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/cpufreq.h>

#include <linux/delay.h>

#include <linux/slab.h>

#include <linux/platform_device.h>

#include <linux/mfd/dbx500-prcmu.h>

#include <mach/id.h>
@@ -159,12 +161,28 @@ static struct cpufreq_driver db8500_cpufreq_driver = { 
	.attr   = db8500_cpufreq_attr,

};



static int db8500_cpufreq_probe(struct platform_device *pdev)

{

	return cpufreq_register_driver(&db8500_cpufreq_driver);

}



static struct platform_driver db8500_cpufreq_plat_driver = {

	.driver = {

		.name = "cpufreq-u8500",

		.owner = THIS_MODULE,

	},

	.probe = db8500_cpufreq_probe,

};



static int __init db8500_cpufreq_register(void)

{

	if (!cpu_is_u8500_family())

		return -ENODEV;



	pr_info("cpufreq for DB8500 started\n");

	return cpufreq_register_driver(&db8500_cpufreq_driver);

	return platform_driver_register(&db8500_cpufreq_plat_driver);

}

device_initcall(db8500_cpufreq_register);



MODULE_LICENSE("GPL v2");

MODULE_DESCRIPTION("cpufreq driver for DB8500");