diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
-rw-r--r-- | drivers/usb/core/driver.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index a6bd53ace035..c0e60fbcb048 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1337,7 +1337,7 @@ int usb_resume(struct device *dev, pm_message_t msg) /* Avoid PM error messages for devices disconnected while suspended * as we'll display regular disconnect messages just a bit later. */ - if (status == -ENODEV) + if (status == -ENODEV || status == -ESHUTDOWN) status = 0; return status; } @@ -1742,9 +1742,8 @@ static int usb_runtime_suspend(struct device *dev) } /* Prevent the parent from suspending immediately after */ - else if (udev->parent) { + else if (udev->parent) udev->parent->last_busy = jiffies; - } } /* Runtime suspend for a USB interface doesn't mean anything. */ @@ -1786,21 +1785,19 @@ static int usb_runtime_idle(struct device *dev) return 0; } -static struct dev_pm_ops usb_bus_pm_ops = { +static const struct dev_pm_ops usb_bus_pm_ops = { .runtime_suspend = usb_runtime_suspend, .runtime_resume = usb_runtime_resume, .runtime_idle = usb_runtime_idle, }; -#else - -#define usb_bus_pm_ops (*(struct dev_pm_ops *) NULL) - #endif /* CONFIG_USB_SUSPEND */ struct bus_type usb_bus_type = { .name = "usb", .match = usb_device_match, .uevent = usb_uevent, +#ifdef CONFIG_USB_SUSPEND .pm = &usb_bus_pm_ops, +#endif }; |