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Age	Commit message (Collapse)	Author
2014-11-12	powercap / RAPL: fix build dependency on iosf_mbi	Jacob Pan
	RAPL on Atom depends on IOSF_MBI driver for setting floor frequency. This patch adds explicit dependency on CONFIG_IOSF_MB. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-18	PowerCap: Introduce Intel RAPL power capping driver	Jacob Pan
	The Intel Running Average Power Limit (RAPL) technology provides platform software with the ability to monitor, control, and get notifications on power usage. This feature is present in all Sandy Bridge and later Intel processors. Newer models allow more fine grained controls to be applied. In RAPL, power control is divided into domains, which include package, DRAM controller, CPU core (Power Plane 0), graphics uncore (power plane 1), etc. The purpose of this driver is to expose the RAPL settings to userspace. Overall, RAPL fits in the new powercap class driver in that platform level power capping controls are exposed via this generic interface. This driver is based on an earlier patch from Zhang Rui. However, while the previous work was mainly focused on thermal monitoring the focus here is on the usability from user space perspective. References: https://lkml.org/lkml/2011/5/26/93 Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-17	PowerCap: Add class driver	Srinivas Pandruvada
	The power capping framework providing a consistent interface between the kernel and user space that allows power capping drivers to expose their settings to user space in a uniform way. The overall design of the framework is described in the documentation added by the previous patch in this series. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>