config TEGRA_NVLINK bool "Tegra NVLINK Support" depends on ARCH_TEGRA_19x_SOC default y help This config enables the Tegra NVLINK driver stack. NVLINK is a high speed serial communication protocol and an interconnect developed by NVIDIA. NVLINK provides higher bandwidth and lower latency in comparison to PCIe. NVLINK can be used to connect the Tegra SOC to various external devices. High speed memory accesses can be made over NVLINK between Tegra and the external device.