On Tuesday 08 January 2013 14:38:27 Lan Tianyu wrote:
> On 2013年01月07日 15:43, Oliver Neukum wrote:
> > Please change the name. It looks like a contradiction in itself and would
> > thereby almost beg for misuse.
> >
> Hi Oliver:
> how about "usb_device_control_power_off(struct usb_device *u
On 2013年01月07日 15:43, Oliver Neukum wrote:
> On Saturday 05 January 2013 13:58:27 Alan Stern wrote:
>>> static int inline usb_device_prevent_power_off(struct usb_device *udev)
>>> {
>>> struct device *dev = usb_get_port_dev(udev);
>>>
>>> if(!dev)
>>> return -ENODEV;
>>>
>
On Saturday 05 January 2013 13:58:27 Alan Stern wrote:
> > static int inline usb_device_prevent_power_off(struct usb_device *udev)
> > {
> > struct device *dev = usb_get_port_dev(udev);
> >
> > if(!dev)
> > return -ENODEV;
> >
> > return pm_runtime_get_sync(dev);
>
On Sat, 5 Jan 2013, Lan Tianyu wrote:
> On 2013年01月04日 23:59, Alan Stern wrote:
> > On Fri, 4 Jan 2013, Lan Tianyu wrote:
> >
> >> Some usb devices can't be resumed correctly after power off. This
> >> patch is to add usb_device_allow_power_off() for device's driver to allow
> >> or
> >> prohibi
On 2013年01月04日 23:59, Alan Stern wrote:
> On Fri, 4 Jan 2013, Lan Tianyu wrote:
>
>> Some usb devices can't be resumed correctly after power off. This
>> patch is to add usb_device_allow_power_off() for device's driver to allow or
>> prohibit device to be power off the device. Call pm_runtime_get_
On Fri, 4 Jan 2013, Lan Tianyu wrote:
> Some usb devices can't be resumed correctly after power off. This
> patch is to add usb_device_allow_power_off() for device's driver to allow or
> prohibit device to be power off the device. Call pm_runtime_get_sync(portdev)
> to increase port's usage count
Some usb devices can't be resumed correctly after power off. This
patch is to add usb_device_allow_power_off() for device's driver to allow or
prohibit device to be power off the device. Call pm_runtime_get_sync(portdev)
to increase port's usage count and then port will not be suspended. The
device
