Without CONFIG_DMA_SHARED_BUFFER we run into a link error for the dma_buf_* APIs: ERROR: "dma_buf_map_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_attach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_get" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_put" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_detach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_unmap_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/staging/media/tegra-vde/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/media/tegra-vde/Kconfig b/drivers/staging/media/tegra-vde/Kconfig index ec3ddddebdaa..5c4914674468 100644 --- a/drivers/staging/media/tegra-vde/Kconfig +++ b/drivers/staging/media/tegra-vde/Kconfig @@ -1,6 +1,7 @@ config TEGRA_VDE tristate "NVIDIA Tegra Video Decoder Engine driver" depends on ARCH_TEGRA || COMPILE_TEST + select DMA_SHARED_BUFFER select SRAM help Say Y here to enable support for the NVIDIA Tegra video decoder -- 2.9.0
