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

Stewart Smith stewart at linux.vnet.ibm.com
Tue Feb 16 18:02:53 AEDT 2016

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
id:1447295609-20446-9-git-send-email-gwshan at linux.vnet.ibm.com

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

Stewart Smith
OPAL Architect, IBM.

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