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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:08:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 05:08:49 +0000 |
| commit | 76047c0312414915035f4ebbaa533fe3817a21e0 (patch) | |
| tree | 86f79ba3c1f753b1d39be793455035794fade031 /drivers/dma/xilinx/xdma.c | |
| parent | Adding upstream version 6.8.11. (diff) | |
| download | linux-76047c0312414915035f4ebbaa533fe3817a21e0.tar.xz linux-76047c0312414915035f4ebbaa533fe3817a21e0.zip | |
Adding upstream version 6.8.12.upstream/6.8.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma/xilinx/xdma.c')
| -rw-r--r-- | drivers/dma/xilinx/xdma.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 5a3a3293b2..313b217388 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -554,12 +554,14 @@ static void xdma_synchronize(struct dma_chan *chan) } /** - * xdma_fill_descs - Fill hardware descriptors with contiguous memory block addresses - * @sw_desc: tx descriptor state container - * @src_addr: Value for a ->src_addr field of a first descriptor - * @dst_addr: Value for a ->dst_addr field of a first descriptor - * @size: Total size of a contiguous memory block - * @filled_descs_num: Number of filled hardware descriptors for corresponding sw_desc + * xdma_fill_descs() - Fill hardware descriptors for one contiguous memory chunk. + * More than one descriptor will be used if the size is bigger + * than XDMA_DESC_BLEN_MAX. + * @sw_desc: Descriptor container + * @src_addr: First value for the ->src_addr field + * @dst_addr: First value for the ->dst_addr field + * @size: Size of the contiguous memory block + * @filled_descs_num: Index of the first descriptor to take care of in @sw_desc */ static inline u32 xdma_fill_descs(struct xdma_desc *sw_desc, u64 src_addr, u64 dst_addr, u32 size, u32 filled_descs_num) |