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path: root/drivers/base/power/main.c
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Diffstat (limited to 'drivers/base/power/main.c')
-rw-r--r--drivers/base/power/main.c109
1 files changed, 72 insertions, 37 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index b5cef7e7de23..e2cc3d2e0ecc 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -383,10 +383,15 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
info = "EARLY class ";
callback = pm_noirq_op(dev->class->pm, state);
} else if (dev->bus && dev->bus->pm) {
- info = "EARLY ";
+ info = "EARLY bus ";
callback = pm_noirq_op(dev->bus->pm, state);
}
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "EARLY driver ";
+ callback = pm_noirq_op(dev->driver->pm, state);
+ }
+
error = dpm_run_callback(callback, dev, state, info);
TRACE_RESUME(error);
@@ -464,20 +469,20 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
if (dev->pm_domain) {
info = "power domain ";
callback = pm_op(&dev->pm_domain->ops, state);
- goto End;
+ goto Driver;
}
if (dev->type && dev->type->pm) {
info = "type ";
callback = pm_op(dev->type->pm, state);
- goto End;
+ goto Driver;
}
if (dev->class) {
if (dev->class->pm) {
info = "class ";
callback = pm_op(dev->class->pm, state);
- goto End;
+ goto Driver;
} else if (dev->class->resume) {
info = "legacy class ";
callback = dev->class->resume;
@@ -487,14 +492,21 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
if (dev->bus) {
if (dev->bus->pm) {
- info = "";
+ info = "bus ";
callback = pm_op(dev->bus->pm, state);
} else if (dev->bus->resume) {
- info = "legacy ";
+ info = "legacy bus ";
callback = dev->bus->resume;
+ goto End;
}
}
+ Driver:
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "driver ";
+ callback = pm_op(dev->driver->pm, state);
+ }
+
End:
error = dpm_run_callback(callback, dev, state, info);
dev->power.is_suspended = false;
@@ -588,24 +600,33 @@ void dpm_resume(pm_message_t state)
*/
static void device_complete(struct device *dev, pm_message_t state)
{
+ void (*callback)(struct device *) = NULL;
+ char *info = NULL;
+
device_lock(dev);
if (dev->pm_domain) {
- pm_dev_dbg(dev, state, "completing power domain ");
- if (dev->pm_domain->ops.complete)
- dev->pm_domain->ops.complete(dev);
+ info = "completing power domain ";
+ callback = dev->pm_domain->ops.complete;
} else if (dev->type && dev->type->pm) {
- pm_dev_dbg(dev, state, "completing type ");
- if (dev->type->pm->complete)
- dev->type->pm->complete(dev);
+ info = "completing type ";
+ callback = dev->type->pm->complete;
} else if (dev->class && dev->class->pm) {
- pm_dev_dbg(dev, state, "completing class ");
- if (dev->class->pm->complete)
- dev->class->pm->complete(dev);
+ info = "completing class ";
+ callback = dev->class->pm->complete;
} else if (dev->bus && dev->bus->pm) {
- pm_dev_dbg(dev, state, "completing ");
- if (dev->bus->pm->complete)
- dev->bus->pm->complete(dev);
+ info = "completing bus ";
+ callback = dev->bus->pm->complete;
+ }
+
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "completing driver ";
+ callback = dev->driver->pm->complete;
+ }
+
+ if (callback) {
+ pm_dev_dbg(dev, state, info);
+ callback(dev);
}
device_unlock(dev);
@@ -704,10 +725,15 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
info = "LATE class ";
callback = pm_noirq_op(dev->class->pm, state);
} else if (dev->bus && dev->bus->pm) {
- info = "LATE ";
+ info = "LATE bus ";
callback = pm_noirq_op(dev->bus->pm, state);
}
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "LATE driver ";
+ callback = pm_noirq_op(dev->driver->pm, state);
+ }
+
return dpm_run_callback(callback, dev, state, info);
}
@@ -832,16 +858,21 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
if (dev->bus) {
if (dev->bus->pm) {
- info = "";
+ info = "bus ";
callback = pm_op(dev->bus->pm, state);
} else if (dev->bus->suspend) {
- pm_dev_dbg(dev, state, "legacy ");
+ pm_dev_dbg(dev, state, "legacy bus ");
error = legacy_suspend(dev, state, dev->bus->suspend);
goto End;
}
}
Run:
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "driver ";
+ callback = pm_op(dev->driver->pm, state);
+ }
+
error = dpm_run_callback(callback, dev, state, info);
End:
@@ -949,6 +980,8 @@ int dpm_suspend(pm_message_t state)
*/
static int device_prepare(struct device *dev, pm_message_t state)
{
+ int (*callback)(struct device *) = NULL;
+ char *info = NULL;
int error = 0;
device_lock(dev);
@@ -956,25 +989,27 @@ static int device_prepare(struct device *dev, pm_message_t state)
dev->power.wakeup_path = device_may_wakeup(dev);
if (dev->pm_domain) {
- pm_dev_dbg(dev, state, "preparing power domain ");
- if (dev->pm_domain->ops.prepare)
- error = dev->pm_domain->ops.prepare(dev);
- suspend_report_result(dev->pm_domain->ops.prepare, error);
+ info = "preparing power domain ";
+ callback = dev->pm_domain->ops.prepare;
} else if (dev->type && dev->type->pm) {
- pm_dev_dbg(dev, state, "preparing type ");
- if (dev->type->pm->prepare)
- error = dev->type->pm->prepare(dev);
- suspend_report_result(dev->type->pm->prepare, error);
+ info = "preparing type ";
+ callback = dev->type->pm->prepare;
} else if (dev->class && dev->class->pm) {
- pm_dev_dbg(dev, state, "preparing class ");
- if (dev->class->pm->prepare)
- error = dev->class->pm->prepare(dev);
- suspend_report_result(dev->class->pm->prepare, error);
+ info = "preparing class ";
+ callback = dev->class->pm->prepare;
} else if (dev->bus && dev->bus->pm) {
- pm_dev_dbg(dev, state, "preparing ");
- if (dev->bus->pm->prepare)
- error = dev->bus->pm->prepare(dev);
- suspend_report_result(dev->bus->pm->prepare, error);
+ info = "preparing bus ";
+ callback = dev->bus->pm->prepare;
+ }
+
+ if (!callback && dev->driver && dev->driver->pm) {
+ info = "preparing driver ";
+ callback = dev->driver->pm->prepare;
+ }
+
+ if (callback) {
+ error = callback(dev);
+ suspend_report_result(callback, error);
}
device_unlock(dev);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-05 06:12:52 +0300