svn commit: r199832 - stable/7/sys/dev/ata
Alexander Motin
mav at FreeBSD.org
Thu Nov 26 14:52:14 UTC 2009
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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