diff options
Diffstat (limited to 'drivers/acpi/acpica/aclocal.h')
| -rw-r--r-- | drivers/acpi/acpica/aclocal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 6feebc8f789..18a8d96eaa4 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -108,6 +108,14 @@ static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = { #endif #endif +/* Lock structure for reader/writer interfaces */ + +struct acpi_rw_lock { + acpi_mutex writer_mutex; + acpi_mutex reader_mutex; + u32 num_readers; +}; + /* * Predefined handles for spinlocks used within the subsystem. * These spinlocks are created by acpi_ut_mutex_initialize |