nvmem_unregister
nvmem_unregister(cp500->nvmem_cpu.nvmem);
nvmem_unregister(cp500->nvmem_user.nvmem);
nvmem_unregister(cp500->nvmem_cpu.nvmem);
nvmem_unregister(mtd->otp_user_nvmem);
nvmem_unregister(mtd->otp_user_nvmem);
nvmem_unregister(mtd->otp_factory_nvmem);
nvmem_unregister(master->otp_user_nvmem);
nvmem_unregister(master->otp_factory_nvmem);
nvmem_unregister(mtd->nvmem);
nvmem_unregister(unv->nvmem);
nvmem_unregister(unv->nvmem);
EXPORT_SYMBOL_GPL(nvmem_unregister);
nvmem_unregister(nvmem);
nvmem_unregister(nvm->non_active);
nvmem_unregister(nvm->active);
void nvmem_unregister(struct nvmem_device *nvmem);