acpi_ut_acquire_write_lock 412 drivers/acpi/acpica/acutils.h acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock); acpi_ut_acquire_write_lock 749 drivers/acpi/acpica/tbdata.c status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock);