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authorWarner Losh <imp@FreeBSD.org>2011-06-18 03:16:51 +0000
committerWarner Losh <imp@FreeBSD.org>2011-06-18 03:16:51 +0000
commitcf95dbae062665ffe5fa6b18cf4ab1ff1ba89a7e (patch)
tree3f4047aa61c880c5484a9e367d1a615618023a53 /sys/dev/pccbb/pccbb.c
parent0b96c05a7a0b32ce6776ba6ad48d061c8f69923f (diff)
downloadsrc-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.c4
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