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| author |   Biju Das <biju.das.jz@bp.renesas.com> | 2021-08-06 10:53:21 +0100 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2021-08-29 19:14:19 +0530 |
| commit | ab959c7d4ea086852f35c7ff20ecd79b7471cfad (patch) | |
| tree | 755ac23807199fd1df2223037554081e5863c785 /include/linux/dmaengine.h | |
| parent | dt-bindings: dma: Document RZ/G2L bindings (diff) | |
| download | linux-dev-ab959c7d4ea086852f35c7ff20ecd79b7471cfad.tar.xz linux-dev-ab959c7d4ea086852f35c7ff20ecd79b7471cfad.zip | |
dmaengine: Extend the dma_slave_width for 128 bytes
Add DMA_SLAVE_BUSWIDTH_128_BYTES to dma_slave_width for DMA engines
and users to select 128 bytes as bus width.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210806095322.2326-3-biju.das.jz@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 93c3ca5fdafd..e5c2c9e71bf1 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -380,6 +380,7 @@ enum dma_slave_buswidth { DMA_SLAVE_BUSWIDTH_16_BYTES = 16, DMA_SLAVE_BUSWIDTH_32_BYTES = 32, DMA_SLAVE_BUSWIDTH_64_BYTES = 64, + DMA_SLAVE_BUSWIDTH_128_BYTES = 128, }; /** @@ -398,7 +399,7 @@ enum dma_slave_buswidth { * @src_addr_width: this is the width in bytes of the source (RX) * register where DMA data shall be read. If the source * is memory this may be ignored depending on architecture. - * Legal values: 1, 2, 3, 4, 8, 16, 32, 64. + * Legal values: 1, 2, 3, 4, 8, 16, 32, 64, 128. * @dst_addr_width: same as src_addr_width but for destination * target (TX) mutatis mutandis. * @src_maxburst: the maximum number of words (note: words, as in |