Re: [RESEND PATCH 0/4] usb: early: add support for early printk through USB3 debug port

2016-09-20 Thread Lu Baolu
Hi, On 09/20/2016 10:06 PM, Mathias Nyman wrote: > On 29.08.2016 08:26, Lu Baolu wrote: >> xHCI debug capability (DbC) is an optional but standalone >> functionality provided by an xHCI host controller. With DbC >> hardware initialized, the system will present a debug device >> through the USB3 de

Re: [RESEND PATCH 0/4] usb: early: add support for early printk through USB3 debug port

2016-09-20 Thread Mathias Nyman
On 29.08.2016 08:26, Lu Baolu wrote: xHCI debug capability (DbC) is an optional but standalone functionality provided by an xHCI host controller. With DbC hardware initialized, the system will present a debug device through the USB3 debug port (normally the first USB3 port). The debug device is f