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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-11 23:22:50 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-11 23:22:50 (GMT)
commitf6f18a261c1748973e9aac529ed81bb4abd9f120 (patch)
treeb6460a67bcb201b4d8a0846c44dd3c431284c244 /drivers/base/power
parent1f47b0ddf3ebebe632b96b29a0033505d5adfe8b (diff)
parent2547923d1cc38b4b55c538e450411586acc39ac6 (diff)
downloadlinux-f6f18a261c1748973e9aac529ed81bb4abd9f120.tar.xz
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/power')
-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 a7dfdf9..f932058 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;
}