diff options
Diffstat (limited to 'drivers/acpi/acpi_configfs.c')
| -rw-r--r-- | drivers/acpi/acpi_configfs.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c index 146a77fb762d5b..853bc7fc673f9f 100644 --- a/drivers/acpi/acpi_configfs.c +++ b/drivers/acpi/acpi_configfs.c @@ -15,11 +15,15 @@ #include <linux/configfs.h> #include <linux/acpi.h> +#include "acpica/accommon.h" +#include "acpica/actables.h" + static struct config_group *acpi_table_group; struct acpi_table { struct config_item cfg; struct acpi_table_header *header; + u32 index; }; static ssize_t acpi_table_aml_write(struct config_item *cfg, @@ -52,7 +56,11 @@ static ssize_t acpi_table_aml_write(struct config_item *cfg, if (!table->header) return -ENOMEM; - ret = acpi_load_table(table->header); + ACPI_INFO(("Host-directed Dynamic ACPI Table Load:")); + ret = acpi_tb_install_and_load_table( + ACPI_PTR_TO_PHYSADDR(table->header), + ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, FALSE, + &table->index); if (ret) { kfree(table->header); table->header = NULL; @@ -215,8 +223,18 @@ static struct config_item *acpi_table_make_item(struct config_group *group, return &table->cfg; } +static void acpi_table_drop_item(struct config_group *group, + struct config_item *cfg) +{ + struct acpi_table *table = container_of(cfg, struct acpi_table, cfg); + + ACPI_INFO(("Host-directed Dynamic ACPI Table Unload")); + acpi_tb_unload_table(table->index); +} + struct configfs_group_operations acpi_table_group_ops = { .make_item = acpi_table_make_item, + .drop_item = acpi_table_drop_item, }; static struct config_item_type acpi_tables_type = { |