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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-12 00:22:50 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-12 00:22:50 +0100
commitf6f18a261c1748973e9aac529ed81bb4abd9f120 (patch)
treeb6460a67bcb201b4d8a0846c44dd3c431284c244 /drivers/base
parent1f47b0ddf3ebebe632b96b29a0033505d5adfe8b (diff)
parent2547923d1cc38b4b55c538e450411586acc39ac6 (diff)
downloadlinux-f6f18a261c1748973e9aac529ed81bb4abd9f120.tar.gz
Merge branch 'pm-domains'
* pm-domains:
  PM / Domains: Allocate memory outside domain locks
  PM / Domains: Remove dev->driver check for runtime PM
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/domain.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index a7dfdf9f15ba..f932058b5db6 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -321,8 +321,7 @@ static int genpd_poweroff(struct generic_pm_domain *genpd, bool is_async)
 		if (stat > PM_QOS_FLAGS_NONE)
 			return -EBUSY;
 
-		if (pdd->dev->driver && (!pm_runtime_suspended(pdd->dev)
-		    || pdd->dev->power.irq_safe))
+		if (!pm_runtime_suspended(pdd->dev) || pdd->dev->power.irq_safe)
 			not_suspended++;
 	}
 
@@ -1312,13 +1311,17 @@ int pm_genpd_remove_device(struct generic_pm_domain *genpd,
 int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
 			   struct generic_pm_domain *subdomain)
 {
-	struct gpd_link *link;
+	struct gpd_link *link, *itr;
 	int ret = 0;
 
 	if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain)
 	    || genpd == subdomain)
 		return -EINVAL;
 
+	link = kzalloc(sizeof(*link), GFP_KERNEL);
+	if (!link)
+		return -ENOMEM;
+
 	mutex_lock(&genpd->lock);
 	mutex_lock_nested(&subdomain->lock, SINGLE_DEPTH_NESTING);
 
@@ -1328,18 +1331,13 @@ int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
 		goto out;
 	}
 
-	list_for_each_entry(link, &genpd->master_links, master_node) {
-		if (link->slave == subdomain && link->master == genpd) {
+	list_for_each_entry(itr, &genpd->master_links, master_node) {
+		if (itr->slave == subdomain && itr->master == genpd) {
 			ret = -EINVAL;
 			goto out;
 		}
 	}
 
-	link = kzalloc(sizeof(*link), GFP_KERNEL);
-	if (!link) {
-		ret = -ENOMEM;
-		goto out;
-	}
 	link->master = genpd;
 	list_add_tail(&link->master_node, &genpd->master_links);
 	link->slave = subdomain;
@@ -1350,7 +1348,8 @@ int pm_genpd_add_subdomain(struct generic_pm_domain *genpd,
  out:
 	mutex_unlock(&subdomain->lock);
 	mutex_unlock(&genpd->lock);
-
+	if (ret)
+		kfree(link);
 	return ret;
 }