diff options
| -rw-r--r-- | src/interface/linux/linux_acpi.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/interface/linux/linux_acpi.c b/src/interface/linux/linux_acpi.c index 0f369bd..08833d6 100644 --- a/src/interface/linux/linux_acpi.c +++ b/src/interface/linux/linux_acpi.c @@ -25,6 +25,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include <ipxe/linux_api.h> #include <ipxe/linux.h> #include <ipxe/list.h> +#include <ipxe/init.h> #include <ipxe/acpi.h> /** ACPI sysfs directory */ @@ -170,4 +171,25 @@ static userptr_t linux_acpi_find ( uint32_t signature, unsigned int index ) { return UNULL; } +/** + * Free cached ACPI data + * + */ +static void linux_acpi_shutdown ( int booting __unused ) { + struct linux_acpi_table *table; + struct linux_acpi_table *tmp; + + list_for_each_entry_safe ( table, tmp, &linux_acpi_tables, list ) { + list_del ( &table->list ); + free ( table->data ); + free ( table ); + } +} + +/** ACPI shutdown function */ +struct startup_fn linux_acpi_startup_fn __startup_fn ( STARTUP_NORMAL ) = { + .name = "linux_acpi", + .shutdown = linux_acpi_shutdown, +}; + PROVIDE_ACPI ( linux, acpi_find, linux_acpi_find ); |