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ds2781_battery: Use DS2781_PARAM_EEPROM_SIZE and DS2781_USER_EEPROM_SIZE

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Since we have defined DS2781_PARAM_EEPROM_SIZE and
DS2781_USER_EEPROM_SIZE, use them to simplify the code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Axel Lin 2012-03-17 15:37:31 +08:00 committed by Anton Vorontsov
parent 840b91bda9
commit 13f2483cd5
1 changed files with 6 additions and 14 deletions
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20
drivers/power/ds2781_battery.c
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@ -643,9 +643,7 @@ static ssize_t ds2781_read_param_eeprom_bin(struct file *filp,
struct power_supply *psy = to_power_supply(dev);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
count = min_t(loff_t, count,
DS2781_EEPROM_BLOCK1_END -
DS2781_EEPROM_BLOCK1_START + 1 - off);
count = min_t(loff_t, count, DS2781_PARAM_EEPROM_SIZE - off);
return ds2781_read_block(dev_info, buf,
DS2781_EEPROM_BLOCK1_START + off, count);
@ -661,9 +659,7 @@ static ssize_t ds2781_write_param_eeprom_bin(struct file *filp,
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
int ret;
count = min_t(loff_t, count,
DS2781_EEPROM_BLOCK1_END -
DS2781_EEPROM_BLOCK1_START + 1 - off);
count = min_t(loff_t, count, DS2781_PARAM_EEPROM_SIZE - off);
ret = ds2781_write(dev_info, buf,
DS2781_EEPROM_BLOCK1_START + off, count);
@ -682,7 +678,7 @@ static struct bin_attribute ds2781_param_eeprom_bin_attr = {
.name = "param_eeprom",
.mode = S_IRUGO | S_IWUSR,
},
.size = DS2781_EEPROM_BLOCK1_END - DS2781_EEPROM_BLOCK1_START + 1,
.size = DS2781_PARAM_EEPROM_SIZE,
.read = ds2781_read_param_eeprom_bin,
.write = ds2781_write_param_eeprom_bin,
};
@ -696,9 +692,7 @@ static ssize_t ds2781_read_user_eeprom_bin(struct file *filp,
struct power_supply *psy = to_power_supply(dev);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
count = min_t(loff_t, count,
DS2781_EEPROM_BLOCK0_END -
DS2781_EEPROM_BLOCK0_START + 1 - off);
count = min_t(loff_t, count, DS2781_USER_EEPROM_SIZE - off);
return ds2781_read_block(dev_info, buf,
DS2781_EEPROM_BLOCK0_START + off, count);
@ -715,9 +709,7 @@ static ssize_t ds2781_write_user_eeprom_bin(struct file *filp,
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
int ret;
count = min_t(loff_t, count,
DS2781_EEPROM_BLOCK0_END -
DS2781_EEPROM_BLOCK0_START + 1 - off);
count = min_t(loff_t, count, DS2781_USER_EEPROM_SIZE - off);
ret = ds2781_write(dev_info, buf,
DS2781_EEPROM_BLOCK0_START + off, count);
@ -736,7 +728,7 @@ static struct bin_attribute ds2781_user_eeprom_bin_attr = {
.name = "user_eeprom",
.mode = S_IRUGO | S_IWUSR,
},
.size = DS2781_EEPROM_BLOCK0_END - DS2781_EEPROM_BLOCK0_START + 1,
.size = DS2781_USER_EEPROM_SIZE,
.read = ds2781_read_user_eeprom_bin,
.write = ds2781_write_user_eeprom_bin,
};