cvs commit: src/sys/dev/smbus smb.c
jhb at freebsd.org
Fri Jun 6 20:56:47 UTC 2008
On Friday 06 June 2008 02:45:32 pm John Baldwin wrote:
> jhb 2008-06-06 18:45:32 UTC
> FreeBSD src repository
> Modified files:
> sys/dev/smbus smb.c
> SVN rev 179625 on 2008-06-06 18:45:32Z by jhb
> - Store the device_t of the smbX device in the softc.
> - Store the softc of the device in the 'si_drv1' of the cdev.
> - Lookup the softc via 'si_drv1' in cdev methods rather than using the
> minor number as a unit for devclass_get_softc().
> - Lookup the device_t via the softc field in cdev methods rather than
> using the minor number as a unit for devclass_get_device().
> - Add a mutex to the softc to protect 'sc_opened'.
> - Remove D_NEEDGIANT as all the smbus drivers are now MPSAFE and this
> is now MPSAFE.
> - Remove some checks for NULL softc pointers that can't happen and don't
> bzero the softc during attach.
All the smbus(4) stuff is MPSAFE now. I do plan to look at iic(4) soonish as
it is similar in design to smbus(4). Once it is locked then if_ic(4) can be
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