Date: Tue, 7 Dec 2010 19:18:00 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r216266 - head/sys/dev/ichwd Message-ID: <201012071918.oB7JI0lZ077674@svn.freebsd.org>
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Author: emaste Date: Tue Dec 7 19:18:00 2010 New Revision: 216266 URL: http://svn.freebsd.org/changeset/base/216266 Log: Add a comment to clarify that some BIOSes may clear the hw watchdog indicator bit, preventing us from reporting in that case. X-MFC-with: r215868 Modified: head/sys/dev/ichwd/ichwd.c Modified: head/sys/dev/ichwd/ichwd.c ============================================================================== --- head/sys/dev/ichwd/ichwd.c Tue Dec 7 19:15:33 2010 (r216265) +++ head/sys/dev/ichwd/ichwd.c Tue Dec 7 19:18:00 2010 (r216266) @@ -520,8 +520,9 @@ ichwd_attach(device_t dev) device_get_desc(dev), sc->ich_version); /* - * Determine if we are coming up after a watchdog-induced reset. - * This bit is cleared in ichwd_sts_reset(). + * Determine if we are coming up after a watchdog-induced reset. Some + * BIOSes may clear this bit at bootup, preventing us from reporting + * this case on such systems. We clear this bit in ichwd_sts_reset(). */ if ((ichwd_read_tco_2(sc, TCO2_STS) & TCO_SECOND_TO_STS) != 0) device_printf(dev,
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