Commit 5a09b712 authored by Russell King's avatar Russell King
Browse files

MFD: ucb1x00-core: convert to use dev_pm_ops 



Convert the ucb1x00-core driver to use dev_pm_ops rather than the legacy
members in the mcp driver.

Acked-by: default avatarJochen Friedrich <jochen@scram.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent a4b54acf

drivers/mfd/ucb1x00-core.c

+18 −14
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/device.h>

#include <linux/mutex.h>

#include <linux/mfd/ucb1x00.h>

#include <linux/pm.h>

#include <linux/gpio.h>



static DEFINE_MUTEX(ucb1x00_mutex);
@@ -697,47 +698,50 @@ void ucb1x00_unregister_driver(struct ucb1x00_driver *drv) 
	mutex_unlock(&ucb1x00_mutex);

}



static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state)

static int ucb1x00_suspend(struct device *dev)

{

	struct ucb1x00 *ucb = mcp_get_drvdata(mcp);

	struct ucb1x00_dev *dev;

	struct ucb1x00 *ucb = dev_get_drvdata(dev);

	struct ucb1x00_dev *udev;



	mutex_lock(&ucb1x00_mutex);

	list_for_each_entry(dev, &ucb->devs, dev_node) {

		if (dev->drv->suspend)

			dev->drv->suspend(dev, state);

	list_for_each_entry(udev, &ucb->devs, dev_node) {

		if (udev->drv->suspend)

			udev->drv->suspend(udev);

	}

	mutex_unlock(&ucb1x00_mutex);

	return 0;

}



static int ucb1x00_resume(struct mcp *mcp)

static int ucb1x00_resume(struct device *dev)

{

	struct ucb1x00 *ucb = mcp_get_drvdata(mcp);

	struct ucb1x00_dev *dev;

	struct ucb1x00 *ucb = dev_get_drvdata(dev);

	struct ucb1x00_dev *udev;



	ucb1x00_enable(ucb);

	ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);

	ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);

	ucb1x00_disable(ucb);

	mutex_lock(&ucb1x00_mutex);

	list_for_each_entry(dev, &ucb->devs, dev_node) {

		if (dev->drv->resume)

			dev->drv->resume(dev);

	list_for_each_entry(udev, &ucb->devs, dev_node) {

		if (udev->drv->resume)

			udev->drv->resume(udev);

	}

	mutex_unlock(&ucb1x00_mutex);

	return 0;

}



static const struct dev_pm_ops ucb1x00_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(ucb1x00_suspend, ucb1x00_resume)

};



static struct mcp_driver ucb1x00_driver = {

	.drv		= {

		.name	= "ucb1x00",

		.owner	= THIS_MODULE,

		.pm	= &ucb1x00_pm_ops,

	},

	.probe		= ucb1x00_probe,

	.remove		= ucb1x00_remove,

	.suspend	= ucb1x00_suspend,

	.resume		= ucb1x00_resume,

};



static int __init ucb1x00_init(void)

include/linux/mfd/ucb1x00.h

+1 −1
Original line number Diff line number Diff line
@@ -154,7 +154,7 @@ struct ucb1x00_driver { 
	struct list_head	devs;

	int	(*add)(struct ucb1x00_dev *dev);

	void	(*remove)(struct ucb1x00_dev *dev);

	int	(*suspend)(struct ucb1x00_dev *dev, pm_message_t state);

	int	(*suspend)(struct ucb1x00_dev *dev);

	int	(*resume)(struct ucb1x00_dev *dev);

};