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Code Issues Releases Wiki Activity

eeprom: ee1004: Let device core handle attribute eeprom

Browse source 
Instead of creating/removing the attribute ourselves, just declare the
attribute and let the device core handle it. This allows to simplify
the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/8a6c77f2-f84a-311b-c2b9-21798f690e4d@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heiner Kallweit 2021-05-19 18:34:27 +02:00 committed by Greg Kroah-Hartman
parent 46ad057245
commit b63866efa1
1 changed files with 9 additions and 17 deletions
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26
drivers/misc/eeprom/ee1004.c
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@ -89,7 +89,7 @@ static ssize_t ee1004_eeprom_read(struct i2c_client *client, char *buf,
return status;
}
static ssize_t ee1004_read(struct file *filp, struct kobject *kobj,
static ssize_t eeprom_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
@ -160,15 +160,15 @@ static ssize_t ee1004_read(struct file *filp, struct kobject *kobj,
return requested;
}
static const struct bin_attribute eeprom_attr = {
.attr = {
.name = "eeprom",
.mode = 0444,
},
.size = EE1004_EEPROM_SIZE,
.read = ee1004_read,
static BIN_ATTR_RO(eeprom, EE1004_EEPROM_SIZE);
static struct bin_attribute *ee1004_attrs[] = {
&bin_attr_eeprom,
NULL
};
BIN_ATTRIBUTE_GROUPS(ee1004);
static int ee1004_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@ -222,11 +222,6 @@ static int ee1004_probe(struct i2c_client *client,
ee1004_current_page);
mutex_unlock(&ee1004_bus_lock);
/* Create the sysfs eeprom file */
err = sysfs_create_bin_file(&client->dev.kobj, &eeprom_attr);
if (err)
goto err_clients_lock;
dev_info(&client->dev,
"%u byte EE1004-compliant SPD EEPROM, read-only\n",
EE1004_EEPROM_SIZE);
@ -237,8 +232,6 @@ static int ee1004_probe(struct i2c_client *client,
return 0;
err_clients_lock:
mutex_lock(&ee1004_bus_lock);
err_clients:
if (--ee1004_dev_count == 0) {
for (cnr--; cnr >= 0; cnr--) {
@ -255,8 +248,6 @@ static int ee1004_remove(struct i2c_client *client)
{
int i;
sysfs_remove_bin_file(&client->dev.kobj, &eeprom_attr);
/* Remove page select clients if this is the last device */
mutex_lock(&ee1004_bus_lock);
if (--ee1004_dev_count == 0) {
@ -275,6 +266,7 @@ static int ee1004_remove(struct i2c_client *client)
static struct i2c_driver ee1004_driver = {
.driver = {
.name = "ee1004",
.dev_groups = ee1004_groups,
},
.probe = ee1004_probe,
.remove = ee1004_remove,