--- zzzz-none-000/linux-3.10.107/drivers/w1/slaves/w1_ds2413.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/w1/slaves/w1_ds2413.c 2021-02-04 17:41:59.000000000 +0000 @@ -23,16 +23,16 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Mariusz Bialonczyk "); MODULE_DESCRIPTION("w1 family 3a driver for DS2413 2 Pin IO"); +MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_DS2413)); #define W1_F3A_RETRIES 3 #define W1_F3A_FUNC_PIO_ACCESS_READ 0xF5 #define W1_F3A_FUNC_PIO_ACCESS_WRITE 0x5A #define W1_F3A_SUCCESS_CONFIRM_BYTE 0xAA -static ssize_t w1_f3a_read_state( - struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t state_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); dev_dbg(&sl->dev, @@ -65,10 +65,11 @@ return 1; } -static ssize_t w1_f3a_write_output( - struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static BIN_ATTR_RO(state, 1); + +static ssize_t output_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); u8 w1_buf[3]; @@ -109,53 +110,25 @@ return -EIO; } -#define NB_SYSFS_BIN_FILES 2 -static struct bin_attribute w1_f3a_sysfs_bin_files[NB_SYSFS_BIN_FILES] = { - { - .attr = { - .name = "state", - .mode = S_IRUGO, - }, - .size = 1, - .read = w1_f3a_read_state, - }, - { - .attr = { - .name = "output", - .mode = S_IRUGO | S_IWUSR | S_IWGRP, - }, - .size = 1, - .write = w1_f3a_write_output, - } -}; +static BIN_ATTR(output, S_IRUGO | S_IWUSR | S_IWGRP, NULL, output_write, 1); -static int w1_f3a_add_slave(struct w1_slave *sl) -{ - int err = 0; - int i; +static struct bin_attribute *w1_f3a_bin_attrs[] = { + &bin_attr_state, + &bin_attr_output, + NULL, +}; - for (i = 0; i < NB_SYSFS_BIN_FILES && !err; ++i) - err = sysfs_create_bin_file( - &sl->dev.kobj, - &(w1_f3a_sysfs_bin_files[i])); - if (err) - while (--i >= 0) - sysfs_remove_bin_file(&sl->dev.kobj, - &(w1_f3a_sysfs_bin_files[i])); - return err; -} +static const struct attribute_group w1_f3a_group = { + .bin_attrs = w1_f3a_bin_attrs, +}; -static void w1_f3a_remove_slave(struct w1_slave *sl) -{ - int i; - for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i) - sysfs_remove_bin_file(&sl->dev.kobj, - &(w1_f3a_sysfs_bin_files[i])); -} +static const struct attribute_group *w1_f3a_groups[] = { + &w1_f3a_group, + NULL, +}; static struct w1_family_ops w1_f3a_fops = { - .add_slave = w1_f3a_add_slave, - .remove_slave = w1_f3a_remove_slave, + .groups = w1_f3a_groups, }; static struct w1_family w1_family_3a = {