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authorRafael J. Wysocki2017-10-13 15:27:24 +0200
committerRafael J. Wysocki2017-10-14 01:04:31 +0200
commit20f97caf1120bd02e8ff4adbad3b44b63626feb5 (patch)
tree912606c83b2114768f565c8890de7b267f9e960a /drivers/base
parent8a5776a5f49812d29fe4b2d0a2d71675c3facf3f (diff)
PM / QoS: Drop PM_QOS_FLAG_REMOTE_WAKEUP
The PM QoS flag PM_QOS_FLAG_REMOTE_WAKEUP is not used consistently and the vast majority of code simply assumes that remote wakeup should be enabled for devices in runtime suspend if they can generate wakeup signals, so drop it. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/domain.c4
-rw-r--r--drivers/base/power/sysfs.c28
2 files changed, 1 insertions, 31 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index e8ca5e2cf1e5..e6414e9998bb 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -346,9 +346,7 @@ static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on,
list_for_each_entry(pdd, &genpd->dev_list, list_node) {
enum pm_qos_flags_status stat;
- stat = dev_pm_qos_flags(pdd->dev,
- PM_QOS_FLAG_NO_POWER_OFF
- | PM_QOS_FLAG_REMOTE_WAKEUP);
+ stat = dev_pm_qos_flags(pdd->dev, PM_QOS_FLAG_NO_POWER_OFF);
if (stat > PM_QOS_FLAGS_NONE)
return -EBUSY;
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index 156ab57bca77..29bf28fef136 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -309,33 +309,6 @@ static ssize_t pm_qos_no_power_off_store(struct device *dev,
static DEVICE_ATTR(pm_qos_no_power_off, 0644,
pm_qos_no_power_off_show, pm_qos_no_power_off_store);
-static ssize_t pm_qos_remote_wakeup_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev)
- & PM_QOS_FLAG_REMOTE_WAKEUP));
-}
-
-static ssize_t pm_qos_remote_wakeup_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t n)
-{
- int ret;
-
- if (kstrtoint(buf, 0, &ret))
- return -EINVAL;
-
- if (ret != 0 && ret != 1)
- return -EINVAL;
-
- ret = dev_pm_qos_update_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP, ret);
- return ret < 0 ? ret : n;
-}
-
-static DEVICE_ATTR(pm_qos_remote_wakeup, 0644,
- pm_qos_remote_wakeup_show, pm_qos_remote_wakeup_store);
-
#ifdef CONFIG_PM_SLEEP
static const char _enabled[] = "enabled";
static const char _disabled[] = "disabled";
@@ -671,7 +644,6 @@ static const struct attribute_group pm_qos_latency_tolerance_attr_group = {
static struct attribute *pm_qos_flags_attrs[] = {
&dev_attr_pm_qos_no_power_off.attr,
- &dev_attr_pm_qos_remote_wakeup.attr,
NULL,
};
static const struct attribute_group pm_qos_flags_attr_group = {