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| author | emaste <emaste@FreeBSD.org> | 2010-12-07 19:18:00 +0000 |
|---|---|---|
| committer | emaste <emaste@FreeBSD.org> | 2010-12-07 19:18:00 +0000 |
| commit | ffba45505b9102f1fc072ac9f76dfd17e2a0324c (patch) | |
| tree | a67a0fe1d48edacc986c91e9047ab2814ffeac31 | |
| parent | 37fc67e5bad45bc2ccc28a4e5323143fdf61384a (diff) | |
| download | FreeBSD-src-ffba45505b9102f1fc072ac9f76dfd17e2a0324c.zip FreeBSD-src-ffba45505b9102f1fc072ac9f76dfd17e2a0324c.tar.gz | |
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
| -rw-r--r-- | sys/dev/ichwd/ichwd.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/ichwd/ichwd.c b/sys/dev/ichwd/ichwd.c index 9ddec20..83ce5a7 100644 --- a/sys/dev/ichwd/ichwd.c +++ b/sys/dev/ichwd/ichwd.c @@ -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, |
