Date: Tue, 21 Oct 2008 18:51:55 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r184135 - head/sys/dev/ata Message-ID: <200810211851.m9LIptwg006141@svn.freebsd.org>
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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 ============================================================================== --- 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;
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