async_token       215 arch/powerpc/include/asm/opal.h int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id,
async_token       232 arch/powerpc/include/asm/opal.h int64_t opal_pci_set_power_state(uint64_t async_token, uint64_t id,