cvs commit: src/sys/dev/smbus smb.c

[John Baldwin]

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 
>   Log:
>   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 
driver
>     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 
locked.

-- 
John Baldwin