diff options
| -rw-r--r-- | drivers/w1/slaves/w1_ds28e04.c | 112 |
1 files changed, 42 insertions, 70 deletions
diff --git a/drivers/w1/slaves/w1_ds28e04.c b/drivers/w1/slaves/w1_ds28e04.c index cd30a6d95ea5..365d6dff21de 100644 --- a/drivers/w1/slaves/w1_ds28e04.c +++ b/drivers/w1/slaves/w1_ds28e04.c @@ -118,9 +118,9 @@ static int w1_f1C_read(struct w1_slave *sl, int addr, int len, char *data) return w1_read_block(sl->master, data, len); } -static ssize_t w1_f1C_read_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t eeprom_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t off, size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); struct w1_f1C_data *data = sl->family_data; @@ -226,9 +226,9 @@ static int w1_f1C_write(struct w1_slave *sl, int addr, int len, const u8 *data) return 0; } -static ssize_t w1_f1C_write_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t eeprom_write(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t off, size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); @@ -280,9 +280,11 @@ out_up: return count; } -static ssize_t w1_f1C_read_pio(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static BIN_ATTR_RW(eeprom, W1_EEPROM_SIZE); + +static ssize_t pio_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, loff_t off, + size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); @@ -299,9 +301,9 @@ static ssize_t w1_f1C_read_pio(struct file *filp, struct kobject *kobj, return ret; } -static ssize_t w1_f1C_write_pio(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t pio_write(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, loff_t off, + size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); @@ -339,8 +341,10 @@ static ssize_t w1_f1C_write_pio(struct file *filp, struct kobject *kobj, return count; } -static ssize_t w1_f1C_show_crccheck(struct device *dev, - struct device_attribute *attr, char *buf) +static BIN_ATTR_RW(pio, 1); + +static ssize_t crccheck_show(struct device *dev, struct device_attribute *attr, + char *buf) { if (put_user(w1_enable_crccheck + 0x30, buf)) return -EFAULT; @@ -348,9 +352,8 @@ static ssize_t w1_f1C_show_crccheck(struct device *dev, return sizeof(w1_enable_crccheck); } -static ssize_t w1_f1C_store_crccheck(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t crccheck_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { char val; @@ -371,35 +374,31 @@ static ssize_t w1_f1C_store_crccheck(struct device *dev, return sizeof(w1_enable_crccheck); } -#define NB_SYSFS_BIN_FILES 2 -static struct bin_attribute w1_f1C_bin_attr[NB_SYSFS_BIN_FILES] = { - { - .attr = { - .name = "eeprom", - .mode = S_IRUGO | S_IWUSR, - }, - .size = W1_EEPROM_SIZE, - .read = w1_f1C_read_bin, - .write = w1_f1C_write_bin, - }, - { - .attr = { - .name = "pio", - .mode = S_IRUGO | S_IWUSR, - }, - .size = 1, - .read = w1_f1C_read_pio, - .write = w1_f1C_write_pio, - } +static DEVICE_ATTR_RW(crccheck); + +static struct attribute *w1_f1C_attrs[] = { + &dev_attr_crccheck.attr, + NULL, }; -static DEVICE_ATTR(crccheck, S_IWUSR | S_IRUGO, - w1_f1C_show_crccheck, w1_f1C_store_crccheck); +static struct bin_attribute *w1_f1C_bin_attrs[] = { + &bin_attr_eeprom, + &bin_attr_pio, + NULL, +}; + +static const struct attribute_group w1_f1C_group = { + .attrs = w1_f1C_attrs, + .bin_attrs = w1_f1C_bin_attrs, +}; + +static const struct attribute_group *w1_f1C_groups[] = { + &w1_f1C_group, + NULL, +}; static int w1_f1C_add_slave(struct w1_slave *sl) { - int err = 0; - int i; struct w1_f1C_data *data = NULL; if (w1_enable_crccheck) { @@ -409,46 +408,19 @@ static int w1_f1C_add_slave(struct w1_slave *sl) sl->family_data = data; } - /* create binary sysfs attributes */ - for (i = 0; i < NB_SYSFS_BIN_FILES && !err; ++i) - err = sysfs_create_bin_file( - &sl->dev.kobj, &(w1_f1C_bin_attr[i])); - - if (!err) { - /* create device attributes */ - err = device_create_file(&sl->dev, &dev_attr_crccheck); - } - - if (err) { - /* remove binary sysfs attributes */ - for (i = 0; i < NB_SYSFS_BIN_FILES; ++i) - sysfs_remove_bin_file( - &sl->dev.kobj, &(w1_f1C_bin_attr[i])); - - kfree(data); - } - - return err; + return 0; } static void w1_f1C_remove_slave(struct w1_slave *sl) { - int i; - kfree(sl->family_data); sl->family_data = NULL; - - /* remove device attributes */ - device_remove_file(&sl->dev, &dev_attr_crccheck); - - /* remove binary sysfs attributes */ - for (i = 0; i < NB_SYSFS_BIN_FILES; ++i) - sysfs_remove_bin_file(&sl->dev.kobj, &(w1_f1C_bin_attr[i])); } static struct w1_family_ops w1_f1C_fops = { .add_slave = w1_f1C_add_slave, .remove_slave = w1_f1C_remove_slave, + .groups = w1_f1C_groups, }; static struct w1_family w1_family_1C = { |