def freeze_linear_layers(model):
    for child in model.children():
        if isinstance(child, nn.Linear):
            for param in child.parameters():
                param.requires_grad = False
        else:
            # Recursively freeze linear layers in children modules
            freeze_linear_layers(child)

freeze_linear_layers(model)
for name, param in model.named_parameters():
    print(f"{name}: {param.requires_grad}")