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path: root/drivers/base/power/resume.c
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Diffstat (limited to 'drivers/base/power/resume.c')
-rw-r--r--drivers/base/power/resume.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
index 020be36705a6..a2c64188d713 100644
--- a/drivers/base/power/resume.c
+++ b/drivers/base/power/resume.c
@@ -26,7 +26,9 @@ int resume_device(struct device * dev)
26 26
27 TRACE_DEVICE(dev); 27 TRACE_DEVICE(dev);
28 TRACE_RESUME(0); 28 TRACE_RESUME(0);
29
29 down(&dev->sem); 30 down(&dev->sem);
31
30 if (dev->power.pm_parent 32 if (dev->power.pm_parent
31 && dev->power.pm_parent->power.power_state.event) { 33 && dev->power.pm_parent->power.power_state.event) {
32 dev_err(dev, "PM: resume from %d, parent %s still %d\n", 34 dev_err(dev, "PM: resume from %d, parent %s still %d\n",
@@ -34,15 +36,24 @@ int resume_device(struct device * dev)
34 dev->power.pm_parent->bus_id, 36 dev->power.pm_parent->bus_id,
35 dev->power.pm_parent->power.power_state.event); 37 dev->power.pm_parent->power.power_state.event);
36 } 38 }
39
37 if (dev->bus && dev->bus->resume) { 40 if (dev->bus && dev->bus->resume) {
38 dev_dbg(dev,"resuming\n"); 41 dev_dbg(dev,"resuming\n");
39 error = dev->bus->resume(dev); 42 error = dev->bus->resume(dev);
40 } 43 }
41 if (dev->class && dev->class->resume) { 44
45 if (!error && dev->type && dev->type->resume) {
46 dev_dbg(dev,"resuming\n");
47 error = dev->type->resume(dev);
48 }
49
50 if (!error && dev->class && dev->class->resume) {
42 dev_dbg(dev,"class resume\n"); 51 dev_dbg(dev,"class resume\n");
43 error = dev->class->resume(dev); 52 error = dev->class->resume(dev);
44 } 53 }
54
45 up(&dev->sem); 55 up(&dev->sem);
56
46 TRACE_RESUME(error); 57 TRACE_RESUME(error);
47 return error; 58 return error;
48} 59}