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Commit 4edac2b4 authored by Alessandro Zummo's avatar Alessandro Zummo Committed by Linus Torvalds
Browse files

rtc-x1205: new style conversion



[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: default avatarAlessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e5fc9cc0
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+43 −87
Original line number Diff line number Diff line
@@ -22,20 +22,7 @@
#include <linux/rtc.h>
#include <linux/delay.h>

#define DRV_VERSION "1.0.7"

/* Addresses to scan: none. This chip is located at
 * 0x6f and uses a two bytes register addressing.
 * Two bytes need to be written to read a single register,
 * while most other chips just require one and take the second
 * one as the data to be written. To prevent corrupting
 * unknown chips, the user must explicitly set the probe parameter.
 */

static const unsigned short normal_i2c[] = { I2C_CLIENT_END };

/* Insmod parameters */
I2C_CLIENT_INSMOD;
#define DRV_VERSION "1.0.8"

/* offsets into CCR area */

@@ -91,19 +78,7 @@ I2C_CLIENT_INSMOD;

#define X1205_HR_MIL		0x80	/* Set in ccr.hour for 24 hr mode */

/* Prototypes */
static int x1205_attach(struct i2c_adapter *adapter);
static int x1205_detach(struct i2c_client *client);
static int x1205_probe(struct i2c_adapter *adapter, int address, int kind);

static struct i2c_driver x1205_driver = {
	.driver		= {
		.name	= "x1205",
	},
	.id		= I2C_DRIVERID_X1205,
	.attach_adapter = &x1205_attach,
	.detach_client	= &x1205_detach,
};
static struct i2c_driver x1205_driver;

/*
 * In the routines that deal directly with the x1205 hardware, we use
@@ -497,58 +472,49 @@ static ssize_t x1205_sysfs_show_dtrim(struct device *dev,
}
static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL);

static int x1205_attach(struct i2c_adapter *adapter)
static int x1205_sysfs_register(struct device *dev)
{
	return i2c_probe(adapter, &addr_data, x1205_probe);
}
	int err;

static int x1205_probe(struct i2c_adapter *adapter, int address, int kind)
{
	int err = 0;
	unsigned char sr;
	struct i2c_client *client;
	struct rtc_device *rtc;
	err = device_create_file(dev, &dev_attr_atrim);
	if (err)
		return err;

	dev_dbg(&adapter->dev, "%s\n", __FUNCTION__);
	err = device_create_file(dev, &dev_attr_dtrim);
	if (err)
		device_remove_file(dev, &dev_attr_atrim);

	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
		err = -ENODEV;
		goto exit;
	return err;
}

	if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
		err = -ENOMEM;
		goto exit;
static void x1205_sysfs_unregister(struct device *dev)
{
	device_remove_file(dev, &dev_attr_atrim);
	device_remove_file(dev, &dev_attr_dtrim);
}

	/* I2C client */
	client->addr = address;
	client->driver = &x1205_driver;
	client->adapter	= adapter;

	strlcpy(client->name, x1205_driver.driver.name, I2C_NAME_SIZE);
static int x1205_probe(struct i2c_client *client)
{
	int err = 0;
	unsigned char sr;
	struct rtc_device *rtc;

	/* Verify the chip is really an X1205 */
	if (kind < 0) {
		if (x1205_validate_client(client) < 0) {
			err = -ENODEV;
			goto exit_kfree;
		}
	}
	dev_dbg(&client->dev, "%s\n", __func__);

	/* Inform the i2c layer */
	if ((err = i2c_attach_client(client)))
		goto exit_kfree;
	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
		return -ENODEV;

	if (x1205_validate_client(client) < 0)
		return -ENODEV;

	dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");

	rtc = rtc_device_register(x1205_driver.driver.name, &client->dev,
				&x1205_rtc_ops, THIS_MODULE);

	if (IS_ERR(rtc)) {
		err = PTR_ERR(rtc);
		goto exit_detach;
	}
	if (IS_ERR(rtc))
		return PTR_ERR(rtc);

	i2c_set_clientdata(client, rtc);

@@ -565,45 +531,35 @@ static int x1205_probe(struct i2c_adapter *adapter, int address, int kind)
	else
		dev_err(&client->dev, "couldn't read status\n");

	err = device_create_file(&client->dev, &dev_attr_atrim);
	if (err) goto exit_devreg;
	err = device_create_file(&client->dev, &dev_attr_dtrim);
	if (err) goto exit_atrim;
	err = x1205_sysfs_register(&client->dev);
	if (err)
		goto exit_devreg;

	return 0;

exit_atrim:
	device_remove_file(&client->dev, &dev_attr_atrim);

exit_devreg:
	rtc_device_unregister(rtc);

exit_detach:
	i2c_detach_client(client);

exit_kfree:
	kfree(client);

exit:
	return err;
}

static int x1205_detach(struct i2c_client *client)
static int x1205_remove(struct i2c_client *client)
{
	int err;
	struct rtc_device *rtc = i2c_get_clientdata(client);

 	if (rtc)
	rtc_device_unregister(rtc);

	if ((err = i2c_detach_client(client)))
		return err;

	kfree(client);

	x1205_sysfs_unregister(&client->dev);
	return 0;
}

static struct i2c_driver x1205_driver = {
	.driver		= {
		.name	= "rtc-x1205",
	},
	.probe		= x1205_probe,
	.remove		= x1205_remove,
};

static int __init x1205_init(void)
{
	return i2c_add_driver(&x1205_driver);