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[ Upstream commit a96739c6c1cdf02521cab703733cef8cb54debbf ]
OCC provides two limits for minimum powercap. One being hard powercap
minimum which is guaranteed by OCC and the other one is a soft
powercap minimum which is lesser than hard-min and may or may not be
asserted due to various power-thermal reasons. So to allow the users
to access the entire powercap range, this patch exports soft powercap
minimum as the "powercap-min" DT property. And it also adds a new
DT property called "powercap-hard-min" to export the hard-min powercap
limit.
Fixes: c6aabe3f2eb5("powercap: occ: Add a generic powercap framework")
Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Reviewed-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
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Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This patch adds a generic powercap framework and exports OCC powercap
sensors using which system powercap can be set inband through OPAL-OCC
command-response interface.
Documentation for powercap enhanced by Stewart Smith.
Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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