diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-08-11 22:01:10 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-08-11 22:01:10 +0000 |
| commit | 8a0d3db2d2a432f3970edbcb0cc1915feb24c52a (patch) | |
| tree | ee97bab8e8ddba2dd8a5840c6d7c76e3174ef6d3 /sys/arch/arm64 | |
| parent | 98a66bca2b9c8052e2abad448ae75d80b70665d5 (diff) | |
Have bus_dmamem_map() store the virtual address of the mapping such that
we can use it to flush the cache in bus_dmamap_sync() if necessary.
ok patrick@
Diffstat (limited to 'sys/arch/arm64')
| -rw-r--r-- | sys/arch/arm64/arm64/bus_dma.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/arm64/arm64/bus_dma.c b/sys/arch/arm64/arm64/bus_dma.c index fdb065a9fa9..74876fe04e6 100644 --- a/sys/arch/arm64/arm64/bus_dma.c +++ b/sys/arch/arm64/arm64/bus_dma.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bus_dma.c,v 1.8 2017/05/10 21:58:55 kettenis Exp $ */ +/* $OpenBSD: bus_dma.c,v 1.9 2017/08/11 22:01:09 kettenis Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -506,6 +506,7 @@ _dmamem_map(bus_dma_tag_t t, bus_dma_segment_t *segs, int nsegs, size_t size, (flags & BUS_DMA_COHERENT)) || (flags & BUS_DMA_NOCACHE)) cache = PMAP_CACHE_CI; for (curseg = 0; curseg < nsegs; curseg++) { + segs[curseg]._ds_vaddr = va; for (addr = segs[curseg].ds_addr; addr < (segs[curseg].ds_addr + segs[curseg].ds_len); addr += NBPG, va += NBPG, size -= NBPG) { |