From 35bfa99e81f45079728f6b2ac553dabb0bc62c7d Mon Sep 17 00:00:00 2001 From: Christophe Jaillet Date: Tue, 21 Feb 2017 21:41:53 +0100 Subject: PM / runtime: Fix some typos Signed-off-by: Christophe Jaillet Acked-by: Pavel Machek Signed-off-by: Rafael J. Wysocki --- Documentation/power/runtime_pm.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Documentation/power') diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 4870980e967e..64546eb9a16a 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -100,7 +100,7 @@ knows what to do to handle the device). * If the suspend callback returns an error code different from -EBUSY and -EAGAIN, the PM core regards this as a fatal error and will refuse to run the helper functions described in Section 4 for the device until its status - is directly set to either'active', or 'suspended' (the PM core provides + is directly set to either 'active', or 'suspended' (the PM core provides special helper functions for this purpose). In particular, if the driver requires remote wakeup capability (i.e. hardware @@ -217,7 +217,7 @@ defined in include/linux/pm.h: one to complete spinlock_t lock; - - lock used for synchronisation + - lock used for synchronization atomic_t usage_count; - the usage counter of the device @@ -565,7 +565,7 @@ appropriate to ensure that the device is not put back to sleep during the probe. This can happen with systems such as the network device layer. It may be desirable to suspend the device once ->probe() has finished. -Therefore the driver core uses the asyncronous pm_request_idle() to submit a +Therefore the driver core uses the asynchronous pm_request_idle() to submit a request to execute the subsystem-level idle callback for the device at that time. A driver that makes use of the runtime autosuspend feature, may want to update the last busy mark before returning from ->probe(). -- cgit v1.2.3 From d08d1b27fe2a7f6923952613f5fab56ae47a6f5b Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Wed, 22 Feb 2017 13:58:52 +0530 Subject: PM / QoS: Remove global notifiers They were never used in the kernel, so get rid of them. Signed-off-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- Documentation/power/pm_qos_interface.txt | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) (limited to 'Documentation/power') diff --git a/Documentation/power/pm_qos_interface.txt b/Documentation/power/pm_qos_interface.txt index 129f7c0e1483..21d2d48f87a2 100644 --- a/Documentation/power/pm_qos_interface.txt +++ b/Documentation/power/pm_qos_interface.txt @@ -163,8 +163,7 @@ of flags and remove sysfs attributes pm_qos_no_power_off and pm_qos_remote_wakeu under the device's power directory. Notification mechanisms: -The per-device PM QoS framework has 2 different and distinct notification trees: -a per-device notification tree and a global notification tree. +The per-device PM QoS framework has a per-device notification tree. int dev_pm_qos_add_notifier(device, notifier): Adds a notification callback function for the device. @@ -174,16 +173,6 @@ is changed (for resume latency device PM QoS only). int dev_pm_qos_remove_notifier(device, notifier): Removes the notification callback function for the device. -int dev_pm_qos_add_global_notifier(notifier): -Adds a notification callback function in the global notification tree of the -framework. -The callback is called when the aggregated value for any device is changed -(for resume latency device PM QoS only). - -int dev_pm_qos_remove_global_notifier(notifier): -Removes the notification callback function from the global notification tree -of the framework. - Active state latency tolerance -- cgit v1.2.3