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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-19 11:54:00 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-19 11:54:00 +0100
commit7063e6c717f6108c4b3fc3135a516c86ef944870 (patch)
treeec6eec10b4dc93474100e6e366df028bd3314fda /drivers/base/power/suspend.c
parent7ca0026495dbb644b4e32ede76be44072cb2bc7a (diff)
parent05d3794aa8bd3b2c9f7920a05003c331cdeb75c5 (diff)
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/base/power/suspend.c')
-rw-r--r--drivers/base/power/suspend.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
index a0b5cf689e6..0ec44ef840b 100644
--- a/drivers/base/power/suspend.c
+++ b/drivers/base/power/suspend.c
@@ -39,12 +39,25 @@ int suspend_device(struct device * dev, pm_message_t state)
{
int error = 0;
- dev_dbg(dev, "suspending\n");
+ if (dev->power.power_state) {
+ dev_dbg(dev, "PM: suspend %d-->%d\n",
+ dev->power.power_state, state);
+ }
+ if (dev->power.pm_parent
+ && dev->power.pm_parent->power.power_state) {
+ dev_err(dev,
+ "PM: suspend %d->%d, parent %s already %d\n",
+ dev->power.power_state, state,
+ dev->power.pm_parent->bus_id,
+ dev->power.pm_parent->power.power_state);
+ }
dev->power.prev_state = dev->power.power_state;
- if (dev->bus && dev->bus->suspend && !dev->power.power_state)
+ if (dev->bus && dev->bus->suspend && !dev->power.power_state) {
+ dev_dbg(dev, "suspending\n");
error = dev->bus->suspend(dev, state);
+ }
return error;
}