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author | Warner Losh <imp@FreeBSD.org> | 2011-06-18 03:16:51 +0000 |
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committer | Warner Losh <imp@FreeBSD.org> | 2011-06-18 03:16:51 +0000 |
commit | cf95dbae062665ffe5fa6b18cf4ab1ff1ba89a7e (patch) | |
tree | 3f4047aa61c880c5484a9e367d1a615618023a53 /sys/dev/pccbb/pccbb.c | |
parent | 0b96c05a7a0b32ce6776ba6ad48d061c8f69923f (diff) | |
download | src-cf95dbae062665ffe5fa6b18cf4ab1ff1ba89a7e.tar.gz src-cf95dbae062665ffe5fa6b18cf4ab1ff1ba89a7e.zip |
More expeirmentation suggests that 10ms isn't as reliable as
previously thought, but 100ms seems to be. Likely there's a good
middle ground, but for now be conservative.
Notes
Notes:
svn path=/head/; revision=223219
Diffstat (limited to 'sys/dev/pccbb/pccbb.c')
-rw-r--r-- | sys/dev/pccbb/pccbb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/pccbb/pccbb.c b/sys/dev/pccbb/pccbb.c index 7382c7c964c4..3c60f3722ce6 100644 --- a/sys/dev/pccbb/pccbb.c +++ b/sys/dev/pccbb/pccbb.c @@ -811,14 +811,14 @@ cbb_power(device_t brdev, int volts) mtx_unlock(&sc->mtx); /* - * Relax for 10ms. Some bridges appear to assert this signal + * Relax for 100ms. Some bridges appear to assert this signal * right away, but before the card has stabilized. Other * cards need need more time to cope up reliabily. * Experiments with troublesome setups show this to be a * "cheap" way to enhance reliabilty. We need not do this for * "off" since we don't touch the card after we turn it off. */ - pause("cbbPwr", min(hz / 100, 1)); + pause("cbbPwr", min(hz / 10, 1)); /* * The TOPIC95B requires a little bit extra time to get its |