[PATCH 1/1] ARM: imx7ulp: add cpuidle support

Daniel Lezcano daniel.lezcano at linaro.org
Tue Aug 29 01:30:08 PDT 2017


On 27/08/2017 15:43, Dong Aisheng wrote:
> i.MX7ULP support 3 levels idle as below:
> 1. patial stop mode 3;
> 2. patial stop mode 2;
> 3. patial stop mode 1.
> 
> PSTOP1 - Partial Stop with system and bus clock disabled
> PSTOP2 - Partial Stop with system clock disabled and bus clock enabled
> PSTOP3 - Partial Stop with system clock enabled and bus clock enabled
> 
> For PSTOP 1/2 mode, as the system and bus clock will be disabled, the
> devices working inprogress may not be able to work anymore, driver needs
> to use pm_qos API to prevent system enter those modes.
> 
> Cc: "Rafael J. Wysocki" <rjw at rjwysocki.net>
> Cc: Daniel Lezcano <daniel.lezcano at linaro.org>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
> Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>

Will you consider in the future to move the driver to a DT based
description and to the cpuidle-arm driver ?

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