The BrcmSTB driver needs to get ahold of a pointer to swiotlb_dma_ops. However, that variable is defined as static. Instead, we use arch_setup_dma_ops() to get the pointer to swiotlb_dma_ops. Since we also want our driver to be a separate module, we need to export this function. Signed-off-by: Jim Quinlan <jim2101024@xxxxxxxxx> --- arch/arm64/mm/dma-mapping.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 614af88..dae572f 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -936,3 +936,4 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, } #endif } +EXPORT_SYMBOL(arch_setup_dma_ops); -- 1.9.0.138.g2de3478
