diff options
| author | Emmanuel Vadot <manu@FreeBSD.org> | 2022-03-29 11:01:31 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2022-03-29 11:19:32 +0000 |
| commit | 1acf9b27704cebfcf14cd896264be29c1d27c4c3 (patch) | |
| tree | f46f746f880bee03581fee1b850dbb83a3bd10f8 | |
| parent | 40c911e8da50e5a67356506c4e748b6b98969ee8 (diff) | |
| download | src-1acf9b27704cebfcf14cd896264be29c1d27c4c3.tar.gz src-1acf9b27704cebfcf14cd896264be29c1d27c4c3.zip | |
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
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/dma-mapping.h | 7 |
1 files changed, 7 insertions, 0 deletions
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) |