diff options
Diffstat (limited to 'drivers/acpi/sysfs.c')
| -rw-r--r-- | drivers/acpi/sysfs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 7f4ff56c9d42..687524b50085 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -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) |