[Skiboot] [RFC PATCH 2/2] occ : Add opal call to support runtime update

[Stewart Smith]

Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com> writes:
> This patch adds a generic opal call to retrieve updated information.
> One such data is pstate table. OCC can provide new frequencies
> to the host which needs to be parsed and passed to linux for cpufreq
> to consume it. This call can be extended to support reading sensors,
> frequency throttle stats later in the future.
>
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com>

In Gavin's WIP PCI slot/hotplug patchset he adds an opal_get_device_tree
API:
id:1447295609-20446-9-git-send-email-gwshan at linux.vnet.ibm.com
https://patchwork.ozlabs.org/patch/543184/

Which fetches a subset of the device tree based on phandle, so it looks
like a more generic interface.


-- 
Stewart Smith
OPAL Architect, IBM.