Re: [PATCH v3 1/4] PM / EM: add devices to Energy Model
From: Randy Dunlap <hidden>
Date: 2020-02-22 00:42:57
Also in:
dri-devel, linux-arm-msm, linux-mediatek, linux-omap, linux-pm, lkml
Hi, One minor nit. Please see inline: On 2/21/20 11:47 AM, Lukasz Luba wrote:
quoted hunk ↗ jump to hunk
Add support of other devices into the Energy Model framework not only the CPUs. Change the interface to be more unified which can handle other devices as well. Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> --- Documentation/power/energy-model.rst | 133 ++++----diff --git a/Documentation/power/energy-model.rst b/Documentation/power/energy-model.rst index 90a345d57ae9..7576820664e5 100644 --- a/Documentation/power/energy-model.rst +++ b/Documentation/power/energy-model.rst
quoted hunk ↗ jump to hunk
@@ -85,13 +89,20 @@ API. 2.3 Accessing performance domains ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +There is two API functions which provide the access to the energy model:
There are two
+em_cpu_get() which takes CPU id as an argument and em_pd_get() with device +pointer as an argument. It depends on the subsystem which interface it is +going to use, but in case of CPU devices both functions return the same +performance domain. +
cheers. -- ~Randy _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel