From 1acf9b27704cebfcf14cd896264be29c1d27c4c3 Mon Sep 17 00:00:00 2001 From: Emmanuel Vadot Date: Tue, 29 Mar 2022 13:01:31 +0200 Subject: linuxkpi: Implement dma_max_mapping_size Simply returns SCATTERLIST_MAX_SEGMENT. Needed by drm v5.10 MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG --- sys/compat/linuxkpi/common/include/linux/dma-mapping.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h index fcb50f4b5217..dd3bbc094dfb 100644 --- a/sys/compat/linuxkpi/common/include/linux/dma-mapping.h +++ b/sys/compat/linuxkpi/common/include/linux/dma-mapping.h @@ -313,6 +313,13 @@ _dma_unmap_single_attrs(struct device *dev, dma_addr_t dma, size_t size, linux_dma_unmap(dev, dma, size); } +static inline size_t +dma_max_mapping_size(struct device *dev) +{ + + return (SCATTERLIST_MAX_SEGMENT); +} + #define dma_map_single_attrs(dev, ptr, size, dir, attrs) \ _dma_map_single_attrs(dev, ptr, size, dir, 0) -- cgit v1.2.3