diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/qos.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index fdc3894bc33a..ff46387f5308 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -223,12 +223,14 @@ void dev_pm_qos_constraints_destroy(struct device *dev) struct dev_pm_qos *qos; struct dev_pm_qos_request *req, *tmp; struct pm_qos_constraints *c; + struct pm_qos_flags *f; /* - * If the device's PM QoS resume latency limit has been exposed to user - * space, it has to be hidden at this point. + * If the device's PM QoS resume latency limit or PM QoS flags have been + * exposed to user space, they have to be hidden at this point. */ dev_pm_qos_hide_latency_limit(dev); + dev_pm_qos_hide_flags(dev); mutex_lock(&dev_pm_qos_mtx); @@ -237,8 +239,8 @@ void dev_pm_qos_constraints_destroy(struct device *dev) if (!qos) goto out; + /* Flush the constraints lists for the device. */ c = &qos->latency; - /* Flush the constraints list for the device */ plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { /* * Update constraints list and call the notification @@ -247,6 +249,11 @@ void dev_pm_qos_constraints_destroy(struct device *dev) apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); memset(req, 0, sizeof(*req)); } + f = &qos->flags; + list_for_each_entry_safe(req, tmp, &f->list, data.flr.node) { + apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); + memset(req, 0, sizeof(*req)); + } spin_lock_irq(&dev->power.lock); dev->power.qos = NULL; @@ -544,7 +551,7 @@ int dev_pm_qos_add_ancestor_request(struct device *dev, error = dev_pm_qos_add_request(ancestor, req, DEV_PM_QOS_LATENCY, value); - if (error) + if (error < 0) req->dev = NULL; return error; |