diff options
| author |   miod <miod@openbsd.org> | 2009-01-04 16:51:44 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2009-01-04 16:51:44 +0000 |
| commit | a11591f364ae58eb0fa3d6e9fd25940d5a21b76f (patch) | |
| tree | 1de6a4731d215be74b636952ca0e8d2d6d4f0a28 | |
| parent | In x[dy]dummystrat, do not clear B_BUSY from the buffer. (diff) | |
| download | wireguard-openbsd-a11591f364ae58eb0fa3d6e9fd25940d5a21b76f.tar.xz wireguard-openbsd-a11591f364ae58eb0fa3d6e9fd25940d5a21b76f.zip | |
Be silent when deciding that the last chunk of a DMA transfer will be done
in PIO mode.
| -rw-r--r-- | sys/arch/sparc/dev/si.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arch/sparc/dev/si.c b/sys/arch/sparc/dev/si.c index b85e8632edf..9aaebcc6607 100644 --- a/sys/arch/sparc/dev/si.c +++ b/sys/arch/sparc/dev/si.c @@ -1,4 +1,4 @@ -/* $OpenBSD: si.c,v 1.30 2008/06/26 05:42:13 ray Exp $ */ +/* $OpenBSD: si.c,v 1.31 2009/01/04 16:51:44 miod Exp $ */ /* $NetBSD: si.c,v 1.38 1997/08/27 11:24:20 bouyer Exp $ */ /*- @@ -1003,11 +1003,15 @@ si_vme_dma_stop(ncr_sc) resid, ntrans); } #endif + if (ntrans < MIN_DMA_LEN) { +#ifdef DEBUG printf("si: fifo count: 0x%x\n", resid); +#endif ncr_sc->sc_state |= NCR_ABORTING; goto out; } + if (ntrans > ncr_sc->sc_datalen) panic("si_dma_stop: excess transfer"); |