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

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
......@@ -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;
err = device_create_file(dev, &dev_attr_atrim);
if (err)
return err;
err = device_create_file(dev, &dev_attr_dtrim);
if (err)
device_remove_file(dev, &dev_attr_atrim);
return err;
}
static int x1205_probe(struct i2c_adapter *adapter, int address, int kind)
static void x1205_sysfs_unregister(struct device *dev)
{
device_remove_file(dev, &dev_attr_atrim);
device_remove_file(dev, &dev_attr_dtrim);
}
static int x1205_probe(struct i2c_client *client)
{
int err = 0;
unsigned char sr;
struct i2c_client *client;
struct rtc_device *rtc;
dev_dbg(&adapter->dev, "%s\n", __FUNCTION__);
dev_dbg(&client->dev, "%s\n", __func__);
if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
err = -ENODEV;
goto exit;
}
if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
/* I2C client */
client->addr = address;
client->driver = &x1205_driver;
client->adapter = adapter;
strlcpy(client->name, x1205_driver.driver.name, I2C_NAME_SIZE);
/* Verify the chip is really an X1205 */
if (kind < 0) {
if (x1205_validate_client(client) < 0) {
err = -ENODEV;
goto exit_kfree;
}
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
return -ENODEV;
/* Inform the i2c layer */
if ((err = i2c_attach_client(client)))
goto exit_kfree;
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);
......
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