i2c: use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
chenqiwu 2020-02-14 20:56:37 +08:00 committed by Wolfram Sang
parent a786b80c48
commit 6b060d8a09

View file

@ -96,7 +96,7 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj
struct eeprom_data *eeprom;
unsigned long flags;
eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
eeprom = dev_get_drvdata(kobj_to_dev(kobj));
spin_lock_irqsave(&eeprom->buffer_lock, flags);
memcpy(buf, &eeprom->buffer[off], count);
@ -111,7 +111,7 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob
struct eeprom_data *eeprom;
unsigned long flags;
eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj));
eeprom = dev_get_drvdata(kobj_to_dev(kobj));
spin_lock_irqsave(&eeprom->buffer_lock, flags);
memcpy(&eeprom->buffer[off], buf, count);