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Restore the default maximum segment size for the bus dma tag to 64k as it

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is in 6.x and 7.x.  The typo caused 64k transactions to be unnecessarily
split up into two PRD entries.
This commit is contained in:
jhb 2008-10-21 18:51:55 +00:00
parent 03f7a1b892
commit 7813809388
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ata/ata-dma.c
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@ -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;