+ dev_err(&client->dev, "cannot allocate memory for nvram sysfs\n");
+ } else {
+
+ ds1307->nvram->attr.name = "nvram";
+ ds1307->nvram->attr.mode = S_IRUGO | S_IWUSR;
+
+ sysfs_bin_attr_init(ds1307->nvram);
+
+ ds1307->nvram->read = ds1307_nvram_read;
+ ds1307->nvram->write = ds1307_nvram_write;
+ ds1307->nvram->size = chip->nvram_size;
+ ds1307->nvram_offset = chip->nvram_offset;
+
+ err = sysfs_create_bin_file(&client->dev.kobj,
+ ds1307->nvram);
+ if (err) {
+ dev_err(&client->dev,
+ "unable to create sysfs file: %s\n",
+ ds1307->nvram->attr.name);
+ } else {
+ set_bit(HAS_NVRAM, &ds1307->flags);
+ dev_info(&client->dev, "%zu bytes nvram\n",
+ ds1307->nvram->size);
+ }