Date: Tue, 24 Nov 2009 14:06:15 +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: r199749 - head/sys/dev/ata Message-ID: <200911241406.nAOE6FdR018858@svn.freebsd.org>
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Author: mav Date: Tue Nov 24 14:06:15 2009 New Revision: 199749 URL: http://svn.freebsd.org/changeset/base/199749 Log: Use only lower byte of sectors_intr IDENTIFY word as sector count. This fixes SET_MULTI error during boot on devices supporting less then 16 sectors per interrupt. Modified: head/sys/dev/ata/ata-disk.c Modified: head/sys/dev/ata/ata-disk.c ============================================================================== --- head/sys/dev/ata/ata-disk.c Tue Nov 24 13:44:53 2009 (r199748) +++ head/sys/dev/ata/ata-disk.c Tue Nov 24 14:06:15 2009 (r199749) @@ -397,7 +397,7 @@ ad_init(device_t dev) /* use multiple sectors/interrupt if device supports it */ if (ad_version(atadev->param.version_major)) { - int secsperint = max(1, min(atadev->param.sectors_intr, 16)); + int secsperint = max(1, min(atadev->param.sectors_intr & 0xff, 16)); if (!ata_controlcmd(dev, ATA_SET_MULTI, 0, 0, secsperint)) atadev->max_iosize = secsperint * DEV_BSIZE;
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