/proc/device-tree is working

David Woodhouse dwmw2 at infradead.org
Sat Dec 30 10:48:43 EST 2006


On Tue, 2006-12-26 at 00:34 -1000, Mitch Bradley wrote:
> Left to do:
> 
> a) Audit the device tree and correct any errors and omissions.
> 
> b) Release an Open Firmware version that uses virtual addressing so that 
> Linux doesn't clobber it upon startup.  The coding is already done, so 
> this is just a release and test step.  This version is compatible with 
> existing kernels so its release doesn't require a simultaneous release 
> of a new kernel.
> 
> c) Decide whether or not we want to go ahead with the /proc/device-tree 
> version, or convert to /sys first.  If the latter, we have to develop 
> the sysfs version of the code.  I think I understand how to convert to 
> sysfs for the bulk of the code, but there is still an issue that I don't 
> grok, namely the kobjects tie-in.
> 
> d) Do the administrative mechanics of expressing the changes as a patch.
> 
> e) Start converting OLPC userland code to use the device tree info 
> instead of the various ad-hoc detections schemes currently in place.
> 
> f) Do whatever needs to be done to announce the patch, submit it 
> upstream, or whatever we want to do on that front.

g) Convert drivers to of_device drivers as appropriate -- stuff like the
DCON could be 'detected' by its presence in the device-tree rather than
the hacks we have at the moment.

-- 
dwmw2




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