Date: Wed, 14 Apr 2010 15:29:32 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r206604 - head/sys/dev/ata/chipsets Message-ID: <201004141529.o3EFTWd9011506@svn.freebsd.org>
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Author: mav Date: Wed Apr 14 15:29:32 2010 New Revision: 206604 URL: http://svn.freebsd.org/changeset/base/206604 Log: For early ALI chips do not announce I/O sizes that require unsupported 48bit DMA commands. Modified: head/sys/dev/ata/chipsets/ata-acerlabs.c Modified: head/sys/dev/ata/chipsets/ata-acerlabs.c ============================================================================== --- head/sys/dev/ata/chipsets/ata-acerlabs.c Wed Apr 14 15:23:16 2010 (r206603) +++ head/sys/dev/ata/chipsets/ata-acerlabs.c Wed Apr 14 15:29:32 2010 (r206604) @@ -184,8 +184,11 @@ ata_ali_ch_attach(device_t dev) if (ctlr->chip->cfg2 & ALI_NEW && ctlr->chip->chiprev < 0xc7) ch->flags |= ATA_CHECKS_CABLE; /* older chips can't do 48bit DMA transfers */ - if (ctlr->chip->chiprev <= 0xc4) + if (ctlr->chip->chiprev <= 0xc4) { ch->flags |= ATA_NO_48BIT_DMA; + if (ch->dma.max_iosize > 256 * 512) + ch->dma.max_iosize = 256 * 512; + } return 0; }
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