Date: Thu, 26 Nov 2009 14:52:14 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r199832 - stable/7/sys/dev/ata Message-ID: <200911261452.nAQEqEKX085046@svn.freebsd.org>
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Author: mav Date: Thu Nov 26 14:52:14 2009 New Revision: 199832 URL: http://svn.freebsd.org/changeset/base/199832 Log: MFC r199749: 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: stable/7/sys/dev/ata/ata-disk.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/dev/ata/ata-disk.c ============================================================================== --- stable/7/sys/dev/ata/ata-disk.c Thu Nov 26 14:50:01 2009 (r199831) +++ stable/7/sys/dev/ata/ata-disk.c Thu Nov 26 14:52:14 2009 (r199832) @@ -417,7 +417,7 @@ 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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