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Diffstat (limited to 'drivers/base/power/shutdown.c')
-rw-r--r--drivers/base/power/shutdown.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c
index d1e023fbe169..f50a08be424b 100644
--- a/drivers/base/power/shutdown.c
+++ b/drivers/base/power/shutdown.c
@@ -19,20 +19,6 @@
19extern struct subsystem devices_subsys; 19extern struct subsystem devices_subsys;
20 20
21 21
22int device_detach_shutdown(struct device * dev)
23{
24 if (!dev->detach_state)
25 return 0;
26
27 if (dev->detach_state == DEVICE_PM_OFF) {
28 if (dev->driver && dev->driver->shutdown)
29 dev->driver->shutdown(dev);
30 return 0;
31 }
32 return dpm_runtime_suspend(dev, dev->detach_state);
33}
34
35
36/** 22/**
37 * We handle system devices differently - we suspend and shut them 23 * We handle system devices differently - we suspend and shut them
38 * down last and resume them first. That way, we don't do anything stupid like 24 * down last and resume them first. That way, we don't do anything stupid like
@@ -52,13 +38,12 @@ void device_shutdown(void)
52 struct device * dev; 38 struct device * dev;
53 39
54 down_write(&devices_subsys.rwsem); 40 down_write(&devices_subsys.rwsem);
55 list_for_each_entry_reverse(dev, &devices_subsys.kset.list, kobj.entry) { 41 list_for_each_entry_reverse(dev, &devices_subsys.kset.list,
56 pr_debug("shutting down %s: ", dev->bus_id); 42 kobj.entry) {
57 if (dev->driver && dev->driver->shutdown) { 43 if (dev->driver && dev->driver->shutdown) {
58 pr_debug("Ok\n"); 44 dev_dbg(dev, "shutdown\n");
59 dev->driver->shutdown(dev); 45 dev->driver->shutdown(dev);
60 } else 46 }
61 pr_debug("Ignored.\n");
62 } 47 }
63 up_write(&devices_subsys.rwsem); 48 up_write(&devices_subsys.rwsem);
64 49