diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/usb/core/driver.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/hcd.c | 10 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 42 | ||||
| -rw-r--r-- | drivers/usb/core/port.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/sysfs.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/usb.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/usb.h | 2 |
8 files changed, 21 insertions, 65 deletions
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index f70c1a1..175701a 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -38,22 +38,6 @@ config USB_DYNAMIC_MINORS If you are unsure about this, say N here. -config USB_SUSPEND - bool "USB runtime power management (autosuspend) and wakeup" - depends on USB && PM_RUNTIME - help - If you say Y here, you can use driver calls or the sysfs - "power/control" file to enable or disable autosuspend for - individual USB peripherals (see - Documentation/usb/power-management.txt for more details). - - Also, USB "remote wakeup" signaling is supported, whereby some - USB devices (like keyboards and network adapters) can wake up - their parent hub. That wakeup cascades up the USB tree, and - could wake the system from states like suspend-to-RAM. - - If you are unsure about this, say N here. - config USB_OTG bool "OTG support" depends on USB diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index eb1d00a..84d2b05 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1412,7 +1412,7 @@ int usb_resume(struct device *dev, pm_message_t msg) #endif /* CONFIG_PM */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME /** * usb_enable_autosuspend - allow a USB device to be autosuspended @@ -1780,7 +1780,7 @@ int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) return ret; } -#endif /* CONFIG_USB_SUSPEND */ +#endif /* CONFIG_PM_RUNTIME */ struct bus_type usb_bus_type = { .name = "usb", diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index f9ec44c..d53547d 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2125,7 +2125,7 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) #endif /* CONFIG_PM */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME /* Workqueue routine for root-hub remote wakeup */ static void hcd_resume_work(struct work_struct *work) @@ -2160,7 +2160,7 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(usb_hcd_resume_root_hub); -#endif /* CONFIG_USB_SUSPEND */ +#endif /* CONFIG_PM_RUNTIME */ /*-------------------------------------------------------------------------*/ @@ -2336,7 +2336,7 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver, init_timer(&hcd->rh_timer); hcd->rh_timer.function = rh_timer_func; hcd->rh_timer.data = (unsigned long) hcd; -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME INIT_WORK(&hcd->wakeup_work, hcd_resume_work); #endif @@ -2590,7 +2590,7 @@ error_create_attr_group: hcd->rh_registered = 0; spin_unlock_irq(&hcd_root_hub_lock); -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME cancel_work_sync(&hcd->wakeup_work); #endif mutex_lock(&usb_bus_list_lock); @@ -2645,7 +2645,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) hcd->rh_registered = 0; spin_unlock_irq (&hcd_root_hub_lock); -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME cancel_work_sync(&hcd->wakeup_work); #endif diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 443d5cc..feef935 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2827,7 +2827,7 @@ void usb_enable_ltm(struct usb_device *udev) } EXPORT_SYMBOL_GPL(usb_enable_ltm); -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM /* * usb_disable_function_remotewakeup - disable usb3.0 * device's function remote wakeup @@ -2886,7 +2886,7 @@ static int usb_disable_function_remotewakeup(struct usb_device *udev) * Linux (2.6) currently has NO mechanisms to initiate that: no khubd * timer, no SRP, no requests through sysfs. * - * If CONFIG_USB_SUSPEND isn't enabled, non-SuperSpeed devices really get + * If Runtime PM isn't enabled or used, non-SuperSpeed devices really get * suspended only when their bus goes into global suspend (i.e., the root * hub is suspended). Nevertheless, we change @udev->state to * USB_STATE_SUSPENDED as this is the device's "logical" state. The actual @@ -3247,6 +3247,10 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) return status; } +#endif /* CONFIG_PM */ + +#ifdef CONFIG_PM_RUNTIME + /* caller has locked udev */ int usb_remote_wakeup(struct usb_device *udev) { @@ -3263,38 +3267,6 @@ int usb_remote_wakeup(struct usb_device *udev) return status; } -#else /* CONFIG_USB_SUSPEND */ - -/* When CONFIG_USB_SUSPEND isn't set, we never suspend or resume any ports. */ - -int usb_port_suspend(struct usb_device *udev, pm_message_t msg) -{ - return 0; -} - -/* However we may need to do a reset-resume */ - -int usb_port_resume(struct usb_device *udev, pm_message_t msg) -{ - struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); - int port1 = udev->portnum; - int status; - u16 portchange, portstatus; - - status = hub_port_status(hub, port1, &portstatus, &portchange); - status = check_port_resume_type(udev, - hub, port1, status, portchange, portstatus); - - if (status) { - dev_dbg(&udev->dev, "can't resume, status %d\n", status); - hub_port_logical_disconnect(hub, port1); - } else if (udev->reset_resume) { - dev_dbg(&udev->dev, "reset-resume\n"); - status = usb_reset_and_verify_device(udev); - } - return status; -} - #endif static int check_ports_changed(struct usb_hub *hub) @@ -4356,7 +4328,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (portstatus & USB_PORT_STAT_ENABLE) { status = 0; /* Nothing to do */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME } else if (udev->state == USB_STATE_SUSPENDED && udev->persist_enabled) { /* For a suspended device, treat this as a diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 797f9d5..06c4894 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -71,7 +71,7 @@ static void usb_port_device_release(struct device *dev) kfree(port_dev); } -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME static int usb_port_runtime_resume(struct device *dev) { struct usb_port *port_dev = to_usb_port(dev); @@ -139,7 +139,7 @@ static int usb_port_runtime_suspend(struct device *dev) #endif static const struct dev_pm_ops usb_port_pm_ops = { -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME .runtime_suspend = usb_port_runtime_suspend, .runtime_resume = usb_port_runtime_resume, .runtime_idle = pm_generic_runtime_idle, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 3f81a3d..aa38db4 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -338,7 +338,7 @@ static void remove_persist_attributes(struct device *dev) #endif /* CONFIG_PM */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME static ssize_t show_connected_duration(struct device *dev, struct device_attribute *attr, @@ -544,7 +544,7 @@ static void remove_power_attributes(struct device *dev) #define add_power_attributes(dev) 0 #define remove_power_attributes(dev) do {} while (0) -#endif /* CONFIG_USB_SUSPEND */ +#endif /* CONFIG_PM_RUNTIME */ /* Descriptor fields */ diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index f81b925..03eb7ae 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -49,7 +49,7 @@ const char *usbcore_name = "usbcore"; static bool nousb; /* Disable USB when built into kernel image */ -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME static int usb_autosuspend_delay = 2; /* Default delay value, * in seconds */ module_param_named(autosuspend, usb_autosuspend_delay, int, 0644); @@ -307,7 +307,7 @@ static const struct dev_pm_ops usb_device_pm_ops = { .thaw = usb_dev_thaw, .poweroff = usb_dev_poweroff, .restore = usb_dev_restore, -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME .runtime_suspend = usb_runtime_suspend, .runtime_resume = usb_runtime_resume, .runtime_idle = usb_runtime_idle, diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index a7f20bd..8238577 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -93,7 +93,7 @@ static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg) #endif -#ifdef CONFIG_USB_SUSPEND +#ifdef CONFIG_PM_RUNTIME extern void usb_autosuspend_device(struct usb_device *udev); extern int usb_autoresume_device(struct usb_device *udev); |