1 files changed, 20 insertions, 3 deletions

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 7db3b530279b..e596224302f4 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -319,7 +319,7 @@ struct acpi_data_attr {
 };
 
 static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
-			       struct bin_attribute *bin_attr, char *buf,
+			       const struct bin_attribute *bin_attr, char *buf,
 			       loff_t offset, size_t count)
 {
 	struct acpi_table_attr *table_attr =
@@ -412,7 +412,7 @@ acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
 }
 
 static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
-			      struct bin_attribute *bin_attr, char *buf,
+			      const struct bin_attribute *bin_attr, char *buf,
 			      loff_t offset, size_t count)
 {
 	struct acpi_data_attr *data_attr;
@@ -458,11 +458,28 @@ static int acpi_bert_data_init(void *th, struct acpi_data_attr *data_attr)
 	return sysfs_create_bin_file(tables_data_kobj, &data_attr->attr);
 }
 
+static int acpi_ccel_data_init(void *th, struct acpi_data_attr *data_attr)
+{
+	struct acpi_table_ccel *ccel = th;
+
+	if (ccel->header.length < sizeof(struct acpi_table_ccel) ||
+	    !ccel->log_area_start_address || !ccel->log_area_minimum_length) {
+		kfree(data_attr);
+		return -EINVAL;
+	}
+	data_attr->addr = ccel->log_area_start_address;
+	data_attr->attr.size = ccel->log_area_minimum_length;
+	data_attr->attr.attr.name = "CCEL";
+
+	return sysfs_create_bin_file(tables_data_kobj, &data_attr->attr);
+}
+
 static struct acpi_data_obj {
 	char *name;
 	int (*fn)(void *, struct acpi_data_attr *);
 } acpi_data_objs[] = {
 	{ ACPI_SIG_BERT, acpi_bert_data_init },
+	{ ACPI_SIG_CCEL, acpi_ccel_data_init },
 };
 
 #define NUM_ACPI_DATA_OBJS ARRAY_SIZE(acpi_data_objs)
@@ -953,7 +970,7 @@ static struct attribute *hotplug_profile_attrs[] = {
 };
 ATTRIBUTE_GROUPS(hotplug_profile);
 
-static struct kobj_type acpi_hotplug_profile_ktype = {
+static const struct kobj_type acpi_hotplug_profile_ktype = {
 	.sysfs_ops = &kobj_sysfs_ops,
 	.default_groups = hotplug_profile_groups,
 };