Re: [PATCH] USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw

2018-03-22 Thread Xing Zhengjun
On 3/22/2018 8:03 PM, Greg KH wrote: On Wed, Mar 21, 2018 at 01:29:42PM +0800, Zhengjun Xing wrote: USB3 hubs don't support global suspend. USB3 specification 10.10, Enhanced SuperSpeed hubs only support selective suspend and resume, they do not support global suspend/resume where the hub dow

Re: [PATCH] USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw

2018-03-22 Thread Greg KH
On Wed, Mar 21, 2018 at 01:29:42PM +0800, Zhengjun Xing wrote: > USB3 hubs don't support global suspend. > > USB3 specification 10.10, Enhanced SuperSpeed hubs only support selective > suspend and resume, they do not support global suspend/resume where the > hub downstream facing ports states are

[PATCH] USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw

2018-03-20 Thread Zhengjun Xing
USB3 hubs don't support global suspend. USB3 specification 10.10, Enhanced SuperSpeed hubs only support selective suspend and resume, they do not support global suspend/resume where the hub downstream facing ports states are not affected. When system enters hibernation it first enters freeze proc