[PATCH 5.10.y-cip 15/22] dmaengine: Extend the dma_slave_width for 128 bytes
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2021-12-20 13:32:01
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
From: Biju Das <biju.das.jz@bp.renesas.com> commit ab959c7d4ea086852f35c7ff20ecd79b7471cfad upstream. 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 (local) Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> --- include/linux/dmaengine.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index dd357a747780..256592c0a365 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h@@ -378,6 +378,7 @@ 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, }; /**
@@ -396,7 +397,7 @@ 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
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2.17.1