android_kernel_zuk_msm8996.git

	Commit message (Collapse)	Author	Age
*	cpu_pm: Add level to the cluster pm notification	Murali Nalajala	2016-03-22
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	Cluster pm notifications without level information increases difficulty and complexity for the registered drivers to figure out when the last coherency level is going into power collapse. Send notifications with level information that allows the registered drivers to easily determine the cluster level that is going in/out of power collapse. There is an issue with this implementation. GIC driver saves and restores the distributed registers as part of cluster notifications. On newer platforms there are multiple cluster levels are defined (e.g l2, cci etc). These cluster level notofications can happen independently. On MSM platforms GIC is still active while the cluster sleeps in idle, causing the GIC state to be overwritten with an incorrect previous state of the interrupts. This leads to a system hang. Do not save and restore on any L2 and higher cache coherency level sleep entry and exit. Change-Id: I31918d6383f19e80fe3b064cfaf0b55e16b97eb6 Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org> Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org> Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org> Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
*	cpu_pm: Add cpu power management notifiers	Colin Cross	2011-09-23
	During some CPU power modes entered during idle, hotplug and suspend, peripherals located in the CPU power domain, such as the GIC, localtimers, and VFP, may be powered down. Add a notifier chain that allows drivers for those peripherals to be notified before and after they may be reset. Notified drivers can include VFP co-processor, interrupt controller and it's PM extensions, local CPU timers context save/restore which shouldn't be interrupted. Hence CPU PM event APIs must be called with interrupts disabled. Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Tested-and-Acked-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Kevin Hilman <khilman@ti.com> Tested-by: Vishwanath BS <vishwanath.bs@ti.com>