bus_dma(9): arm64 implementation notes

Indicate that BUS_DMA_COHERENT is supported for bus_dmamem_alloc and
bus_dmamem_create in the arm64 implementation.
This commit is contained in:
Emmanuel Vadot 2018-05-22 11:17:45 +00:00
parent 9d0728e04e
commit c6231a5f26
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=334034

View file

@ -504,7 +504,7 @@ For
.Fn bus_dmamap_create ,
the
.Dv BUS_DMA_COHERENT
flag is currently implemented on sparc64.
flag is currently implemented on arm64 and sparc64.
.El
.It Fa mapp
Pointer to a
@ -834,7 +834,7 @@ For
.Fn bus_dmamem_alloc ,
the
.Dv BUS_DMA_COHERENT
flag is currently implemented on arm and sparc64.
flag is currently implemented on arm, arm64 and sparc64.
.It Dv BUS_DMA_ZERO
Causes the allocated memory to be set to all zeros.
.It Dv BUS_DMA_NOCACHE