diff options
Diffstat (limited to 'drivers/w1/slaves/w1_ds2781.c')
| -rw-r--r-- | drivers/w1/slaves/w1_ds2781.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c index 645be6e0b24a..88f3abd5cd4b 100644 --- a/drivers/w1/slaves/w1_ds2781.c +++ b/drivers/w1/slaves/w1_ds2781.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * 1-Wire implementation for the ds2781 chip * * Author: Renata Sayakhova <renata@oktetlabs.ru> * * Based on w1-ds2780 driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/kernel.h> @@ -88,16 +84,17 @@ int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd) EXPORT_SYMBOL(w1_ds2781_eeprom_cmd); static ssize_t w1_slave_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, char *buf, + const struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); + return w1_ds2781_io(dev, buf, off, count, 0); } -static BIN_ATTR_RO(w1_slave, DS2781_DATA_SIZE); +static const BIN_ATTR_RO(w1_slave, DS2781_DATA_SIZE); -static struct bin_attribute *w1_ds2781_bin_attrs[] = { +static const struct bin_attribute *const w1_ds2781_bin_attrs[] = { &bin_attr_w1_slave, NULL, }; @@ -142,7 +139,7 @@ static void w1_ds2781_remove_slave(struct w1_slave *sl) platform_device_unregister(pdev); } -static struct w1_family_ops w1_ds2781_fops = { +static const struct w1_family_ops w1_ds2781_fops = { .add_slave = w1_ds2781_add_slave, .remove_slave = w1_ds2781_remove_slave, .groups = w1_ds2781_groups, |