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ichsmb: defer smbus attach until interrupts are available

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This fixes a "timed sleep before timers are working" panic seen
while attaching jedec_dimm(4) instances too early in the boot.

Submitted by:	ian
Reviewed by:	hselasky
Differential Revision:	https://reviews.freebsd.org/D21452
This commit is contained in:
Yuri Pankov 2019-08-29 12:49:21 +00:00
parent 3485f4574e
commit 2051169a4f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=351604
1 changed files with 2 additions and 5 deletions
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7
sys/dev/ichsmb/ichsmb.c
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@ -131,11 +131,8 @@ ichsmb_attach(device_t dev)
goto fail;
}
/* Attach "smbus" child */
if ((error = bus_generic_attach(dev)) != 0) {
device_printf(dev, "failed to attach child: %d\n", error);
goto fail;
}
/* Probe and attach the smbus when interrupts are available */
config_intrhook_oneshot((ich_func_t)bus_generic_attach, dev);
return (0);