On Tue, 19 Jan 2021 18:52:03 +0800, Yong Wu wrote:
> The commit e0d072782c73 ("dma-mapping: introduce DMA range map,
> supplanting dma_pfn_offset") always update dma_range_map even though it was
> already set, like in the sunxi_mbus driver. the issue is reported at [1].
> This patch avoid this(Updating it only when dev has valid dma-ranges).
>
> Meanwhile, dma_range_map contains the devices' dma_ranges information,
> This patch moves dma_range_map before of_iommu_configure. The iommu
> driver may need to know the dma_address requirements of its iommu
> consumer devices.
>
> [1]
> https://lore.kernel.org/linux-arm-kernel/[email protected]/
>
> CC: Rob Herring <[email protected]>
> CC: Frank Rowand <[email protected]>
> Fixes: e0d072782c73 ("dma-mapping: introduce DMA range map, supplanting
> dma_pfn_offset"),
> Suggested-by: Robin Murphy <[email protected]>
> Signed-off-by: Yong Wu <[email protected]>
> Signed-off-by: Paul Kocialkowski <[email protected]>
> Reviewed-by: Rob Herring <[email protected]>
> ---
> drivers/of/device.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
Applied, thanks!
