Good catch!! thanks!!
-Søren
On 21Oct, 2008, at 20:51 , John Baldwin wrote:
Author: jhb
Date: Tue Oct 21 18:51:55 2008
New Revision: 184135
URL: http://svn.freebsd.org/changeset/base/184135
Log:
Restore the default maximum segment size for the bus dma tag to 64k
as it
is in 6.x and 7.x. The typo caused 64k transactions to be
unnecessarily
split up into two PRD entries.
Modified:
head/sys/dev/ata/ata-dma.c
Modified: head/sys/dev/ata/ata-dma.c
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======================================================================
--- head/sys/dev/ata/ata-dma.c Tue Oct 21 18:50:52 2008 (r184134)
+++ head/sys/dev/ata/ata-dma.c Tue Oct 21 18:51:55 2008 (r184135)
@@ -78,7 +78,7 @@ ata_dmainit(device_t dev)
ch->dma.unload = ata_dmaunload;
ch->dma.alignment = 2;
ch->dma.boundary = 65536;
- ch->dma.segsize = 63536;
+ ch->dma.segsize = 65536;
ch->dma.max_iosize = 128 * DEV_BSIZE;
ch->dma.max_address = BUS_SPACE_MAXADDR_32BIT;
ch->dma.dma_slots = 6;
-Søren
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