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hwmon: (w83795) Merge w83795_create_files and w83795_remove_files

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Functions w83795_create_files and w83795_remove_files iterate over
the same set of files, just calling a different function. Merge them
into a single function which takes the action as a parameter. This
saves code, and also ensure that file creation and deletion are in
sync.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2010-10-28 20:31:45 +02:00 committed by Jean Delvare
parent 892514a637
commit 6f3dcde9c6
1 changed files with 17 additions and 38 deletions
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55
drivers/hwmon/w83795.c
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@ -1777,7 +1777,8 @@ static int w83795_detect(struct i2c_client *client,
return 0;
}
static int w83795_create_files(struct device *dev)
static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
const struct device_attribute *))
{
struct w83795_data *data = dev_get_drvdata(dev);
int err, i;
@ -1785,7 +1786,7 @@ static int w83795_create_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(w83795_in); i++) {
if (!(data->has_in & (1 << (i / 6))))
continue;
err = device_create_file(dev, &w83795_in[i].dev_attr);
err = fn(dev, &w83795_in[i].dev_attr);
if (err)
return err;
}
@ -1793,21 +1794,20 @@ static int w83795_create_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(w83795_fan); i++) {
if (!(data->has_fan & (1 << (i / 5))))
continue;
err = device_create_file(dev, &w83795_fan[i].dev_attr);
err = fn(dev, &w83795_fan[i].dev_attr);
if (err)
return err;
}
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
err = device_create_file(dev, &sda_single_files[i].dev_attr);
err = fn(dev, &sda_single_files[i].dev_attr);
if (err)
return err;
}
if (data->chip_type == w83795g) {
for (i = 0; i < ARRAY_SIZE(w83795_left_reg); i++) {
err = device_create_file(dev,
&w83795_left_reg[i].dev_attr);
err = fn(dev, &w83795_left_reg[i].dev_attr);
if (err)
return err;
}
@ -1816,7 +1816,7 @@ static int w83795_create_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) {
if (!(data->has_temp & (1 << (i / 29))))
continue;
err = device_create_file(dev, &w83795_temp[i].dev_attr);
err = fn(dev, &w83795_temp[i].dev_attr);
if (err)
return err;
}
@ -1825,14 +1825,14 @@ static int w83795_create_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) {
if (!(data->has_dts & (1 << (i / 8))))
continue;
err = device_create_file(dev, &w83795_dts[i].dev_attr);
err = fn(dev, &w83795_dts[i].dev_attr);
if (err)
return err;
}
}
for (i = 0; i < ARRAY_SIZE(w83795_static); i++) {
err = device_create_file(dev, &w83795_static[i].dev_attr);
err = fn(dev, &w83795_static[i].dev_attr);
if (err)
return err;
}
@ -1840,33 +1840,12 @@ static int w83795_create_files(struct device *dev)
return 0;
}
static void w83795_remove_files(struct device *dev)
/* We need a wrapper that fits in w83795_handle_files */
static int device_remove_file_wrapper(struct device *dev,
const struct device_attribute *attr)
{
struct w83795_data *data = dev_get_drvdata(dev);
int i;
for (i = 0; i < ARRAY_SIZE(w83795_in); i++)
device_remove_file(dev, &w83795_in[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(w83795_fan); i++)
device_remove_file(dev, &w83795_fan[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
device_remove_file(dev, &sda_single_files[i].dev_attr);
if (data->chip_type == w83795g) {
for (i = 0; i < ARRAY_SIZE(w83795_left_reg); i++)
device_remove_file(dev, &w83795_left_reg[i].dev_attr);
}
for (i = 0; i < ARRAY_SIZE(w83795_temp); i++)
device_remove_file(dev, &w83795_temp[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(w83795_dts); i++)
device_remove_file(dev, &w83795_dts[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(w83795_static); i++)
device_remove_file(dev, &w83795_static[i].dev_attr);
device_remove_file(dev, attr);
return 0;
}
static int w83795_probe(struct i2c_client *client,
@ -2093,7 +2072,7 @@ static int w83795_probe(struct i2c_client *client,
data->beep_enable =
(w83795_read(client, W83795_REG_BEEP(5)) >> 7) & 0x01;
err = w83795_create_files(dev);
err = w83795_handle_files(dev, device_create_file);
if (err)
goto exit_remove;
@ -2106,7 +2085,7 @@ static int w83795_probe(struct i2c_client *client,
return 0;
exit_remove:
w83795_remove_files(dev);
w83795_handle_files(dev, device_remove_file_wrapper);
kfree(data);
exit:
return err;
@ -2117,7 +2096,7 @@ static int w83795_remove(struct i2c_client *client)
struct w83795_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
w83795_remove_files(&client->dev);
w83795_handle_files(&client->dev, device_remove_file_wrapper);
kfree(data);
return 0;