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| author | cognet <cognet@FreeBSD.org> | 2006-02-04 18:01:15 +0000 |
|---|---|---|
| committer | cognet <cognet@FreeBSD.org> | 2006-02-04 18:01:15 +0000 |
| commit | 9e3a00153228ade18dd16caad96810c85df7fd80 (patch) | |
| tree | 67fede5bd32523f93bdaee15b84f0f2df05f480a | |
| parent | edc138867c0702f0b1c1e69d34dc2575eefc99f9 (diff) | |
| download | FreeBSD-src-9e3a00153228ade18dd16caad96810c85df7fd80.zip FreeBSD-src-9e3a00153228ade18dd16caad96810c85df7fd80.tar.gz | |
Don't forget to set the address of the next descriptor to 0 when we're
zeroing a physical page, or we could end up re-zeroing portions of
memory we have zeroed before, which is clearly not wanted.
| -rw-r--r-- | sys/arm/xscale/i80321/i80321_aau.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/arm/xscale/i80321/i80321_aau.c b/sys/arm/xscale/i80321/i80321_aau.c index 20b309a..38c4e95 100644 --- a/sys/arm/xscale/i80321/i80321_aau.c +++ b/sys/arm/xscale/i80321/i80321_aau.c @@ -183,6 +183,7 @@ aau_bzero(void *dst, int len, int flags) desc = sc->aauring[0].desc; if (flags & IS_PHYSICAL) { desc->local_addr = (vm_paddr_t)dst; + desc->next_desc = 0; desc->count = len; desc->descr_ctrl = 2 << 1 | 1 << 31; /* Fill, enable dest write */ bus_dmamap_sync(sc->dmatag, sc->aauring[0].map, |
