fsi: core: Use const 'struct bin_attribute' callbacks

The sysfs core now provides callback variants that explicitly take a
const pointer. Make use of it to match the attribute definition.

Signed-off-by: Thomas Weißschuh <[e-mail]>
Reviewed-by: Eddie James <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/fsi/fsi-core.c

···
 }
 
 static ssize_t fsi_slave_sysfs_raw_read(struct file *file,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
+		struct kobject *kobj, const struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count)
 {
 	struct fsi_slave *slave = to_fsi_slave(kobj_to_dev(kobj));
···
 }
 
 static ssize_t fsi_slave_sysfs_raw_write(struct file *file,
-		struct kobject *kobj, struct bin_attribute *attr,
+		struct kobject *kobj, const struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count)
 {
 	struct fsi_slave *slave = to_fsi_slave(kobj_to_dev(kobj));
···
 		.mode = 0600,
 	},
 	.size = 0,
-	.read = fsi_slave_sysfs_raw_read,
-	.write = fsi_slave_sysfs_raw_write,
+	.read_new = fsi_slave_sysfs_raw_read,
+	.write_new = fsi_slave_sysfs_raw_write,
 };
 
 static void fsi_slave_release(struct device *dev)