Re: [PATCH] USB: leave LPM alone if possible when binding/unbinding interface drivers

2016-05-03 Thread Mathias Nyman
On 02.05.2016 18:18, Alan Stern wrote: On Mon, 2 May 2016, Mathias Nyman wrote: On 29.04.2016 22:25, Alan Stern wrote: When a USB driver is bound to an interface (either through probing or by claiming it) or is unbound from an interface, the USB core always disables Link Power Management durin

Re: [PATCH] USB: leave LPM alone if possible when binding/unbinding interface drivers

2016-05-02 Thread Alan Stern
On Mon, 2 May 2016, Mathias Nyman wrote: > On 29.04.2016 22:25, Alan Stern wrote: > > When a USB driver is bound to an interface (either through probing or > > by claiming it) or is unbound from an interface, the USB core always > > disables Link Power Management during the transition and then > >

Re: [PATCH] USB: leave LPM alone if possible when binding/unbinding interface drivers

2016-05-02 Thread Mathias Nyman
On 29.04.2016 22:25, Alan Stern wrote: When a USB driver is bound to an interface (either through probing or by claiming it) or is unbound from an interface, the USB core always disables Link Power Management during the transition and then re-enables it afterward. The reason is because the drive

[PATCH] USB: leave LPM alone if possible when binding/unbinding interface drivers

2016-04-29 Thread Alan Stern
When a USB driver is bound to an interface (either through probing or by claiming it) or is unbound from an interface, the USB core always disables Link Power Management during the transition and then re-enables it afterward. The reason is because the driver might want to prevent hub-initiated lin