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authorAlan Stern <stern@rowland.harvard.edu>2011-06-18 20:22:23 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-06-21 23:19:50 +0200
commitf76b168b6f117a49d36307053e1acbe30580ea5b (patch)
tree2aa0cc19b27764d8eb55ce85eaf226a60ce27756 /drivers/base
parent78420884e680da8fbc3240de2d3106437042381e (diff)
PM: Rename dev_pm_info.in_suspend to is_prepared
This patch (as1473) renames the "in_suspend" field in struct dev_pm_info to "is_prepared", in preparation for an upcoming change. The new name is more descriptive of what the field really means. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: stable@kernel.org
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index aa632020774..bf5a59ac195 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -57,7 +57,7 @@ static int async_error;
*/
void device_pm_init(struct device *dev)
{
- dev->power.in_suspend = false;
+ dev->power.is_prepared = false;
init_completion(&dev->power.completion);
complete_all(&dev->power.completion);
dev->power.wakeup = NULL;
@@ -91,7 +91,7 @@ void device_pm_add(struct device *dev)
pr_debug("PM: Adding info for %s:%s\n",
dev->bus ? dev->bus->name : "No Bus", dev_name(dev));
mutex_lock(&dpm_list_mtx);
- if (dev->parent && dev->parent->power.in_suspend)
+ if (dev->parent && dev->parent->power.is_prepared)
dev_warn(dev, "parent %s should not be sleeping\n",
dev_name(dev->parent));
list_add_tail(&dev->power.entry, &dpm_list);
@@ -511,7 +511,11 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
dpm_wait(dev->parent, async);
device_lock(dev);
- dev->power.in_suspend = false;
+ /*
+ * This is a fib. But we'll allow new children to be added below
+ * a resumed device, even if the device hasn't been completed yet.
+ */
+ dev->power.is_prepared = false;
if (dev->pwr_domain) {
pm_dev_dbg(dev, state, "power domain ");
@@ -670,7 +674,7 @@ void dpm_complete(pm_message_t state)
struct device *dev = to_device(dpm_prepared_list.prev);
get_device(dev);
- dev->power.in_suspend = false;
+ dev->power.is_prepared = false;
list_move(&dev->power.entry, &list);
mutex_unlock(&dpm_list_mtx);
@@ -1042,7 +1046,7 @@ int dpm_prepare(pm_message_t state)
put_device(dev);
break;
}
- dev->power.in_suspend = true;
+ dev->power.is_prepared = true;
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &dpm_prepared_list);
put_device(dev);