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PM / Domains: add setter for dev.pm_domain

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Adds a function that sets the pointer to dev_pm_domain in struct device
and that warns if the device has already finished probing. The reason
why we want to enforce that is because in the general case that can
cause problems and also that we can simplify code quite a bit if we can
always assume that.

This patch also changes all current code that directly sets the
dev.pm_domain pointer.

Signed-off-by: Tomeu Vizoso <[email protected]>
Reviewed-by: Ulf Hansson <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Tomeu Vizoso 2016-01-07 16:46:13 +01:00 • committed by Rafael J. Wysocki
commit 989561de9b
10 changed files with 54 additions and 19 deletions
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5
drivers/misc/mei/pci-me.c
View file

@ -31,6 +31,7 @@
#include <linux/jiffies.h>
#include <linux/interrupt.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/mei.h>
@ -436,7 +437,7 @@ static inline void mei_me_set_pm_domain(struct mei_device *dev)
dev->pg_domain.ops.runtime_resume = mei_me_pm_runtime_resume;
dev->pg_domain.ops.runtime_idle = mei_me_pm_runtime_idle;
pdev->dev.pm_domain = &dev->pg_domain;
dev_pm_domain_set(&pdev->dev, &dev->pg_domain);
}
}
@ -448,7 +449,7 @@ static inline void mei_me_set_pm_domain(struct mei_device *dev)
static inline void mei_me_unset_pm_domain(struct mei_device *dev)
{
/* stop using pm callbacks if any */
dev->dev->pm_domain = NULL;
dev_pm_domain_set(dev->dev, NULL);
}
static const struct dev_pm_ops mei_me_pm_ops = {

5
drivers/misc/mei/pci-txe.c
View file

@ -27,6 +27,7 @@
#include <linux/jiffies.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/mei.h>
@ -388,7 +389,7 @@ static inline void mei_txe_set_pm_domain(struct mei_device *dev)
dev->pg_domain.ops.runtime_resume = mei_txe_pm_runtime_resume;
dev->pg_domain.ops.runtime_idle = mei_txe_pm_runtime_idle;
pdev->dev.pm_domain = &dev->pg_domain;
dev_pm_domain_set(&pdev->dev, &dev->pg_domain);
}
}
@ -400,7 +401,7 @@ static inline void mei_txe_set_pm_domain(struct mei_device *dev)
static inline void mei_txe_unset_pm_domain(struct mei_device *dev)
{
/* stop using pm callbacks if any */
dev->dev->pm_domain = NULL;
dev_pm_domain_set(dev->dev, NULL);
}
static const struct dev_pm_ops mei_txe_pm_ops = {