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PM / EM: add support for other devices than CPUs in Energy Model

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Add support for other devices than CPUs. The registration function
does not require a valid cpumask pointer and is ready to handle new
devices. Some of the internal structures has been reorganized in order to
keep consistent view (like removing per_cpu pd pointers).

Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lukasz Luba
2020-06-10 11:12:23 +01:00
committed by Rafael J. Wysocki
parent d0351cc3b0
commit 1bc138c622
3 changed files with 199 additions and 89 deletions
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5
include/linux/device.h
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@@ -13,6 +13,7 @@
#define _DEVICE_H_
#include <linux/dev_printk.h>
#include <linux/energy_model.h>
#include <linux/ioport.h>
#include <linux/kobject.h>
#include <linux/klist.h>
@@ -559,6 +560,10 @@ struct device {
struct dev_pm_info power;
struct dev_pm_domain *pm_domain;
#ifdef CONFIG_ENERGY_MODEL
struct em_perf_domain *em_pd;
#endif
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
struct irq_domain *msi_domain;
#endif