diff options
| author |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-11-12 00:22:50 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-11-12 00:22:50 +0100 |
| commit | f6f18a261c1748973e9aac529ed81bb4abd9f120 (patch) | |
| tree | b6460a67bcb201b4d8a0846c44dd3c431284c244 /drivers/base | |
| parent | Merge branch 'pm-cpufreq' (diff) | |
| parent | PM / Domains: Allocate memory outside domain locks (diff) | |
| download | linux-dev-f6f18a261c1748973e9aac529ed81bb4abd9f120.tar.xz linux-dev-f6f18a261c1748973e9aac529ed81bb4abd9f120.zip | |
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.c | 21 |
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; } |