[PATCH 0/2] irqchip: gicv3: add initial CPU PM support

Jason Cooper jason at lakedaemon.net
Sun Sep 14 02:01:41 PDT 2014

On Tue, Aug 26, 2014 at 04:03:33PM +0100, Sudeep Holla wrote:
> From: Sudeep Holla <sudeep.holla at arm.com>
> This patch series adds initial support for CPU power management with GICv3.
> When a CPU enters a low power state, the GICv3 system registers are lost.
> They need to be saved and restored if required. Currently as the GICv3
> system configuration register are not modified at runtime, the patch
> just re-initialise to initial values.
> This series only supports CPU power states. However, for system power
> states, we may need to save and restore states of distributor and
> re-distributors additionally.
> Currently this is tested only on models, testing on real hardware is
> much appreciated.
> Regards,
> Sudeep
> Sudeep Holla (2):
>   GICv3: refactor gic_enable_redist to support both enabling and
>     disabling
>   GICv3: implement CPU PM notifier
>  drivers/irqchip/irq-gic-v3.c | 87 +++++++++++++++++++++++++++++++++-----------
>  1 file changed, 66 insertions(+), 21 deletions(-)

Series applied to irqchip/gic with Marc's Ack.



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