Re: [PATCH] usb: dwc2: host: Don't retry NAKed transactions right away

2017-10-25 Thread Doug Anderson
Hi, On Wed, Oct 25, 2017 at 2:08 PM, Douglas Anderson wrote: > On rk3288-veyron devices on Chrome OS it was found that plugging in an > Arduino-based USB device could cause the system to lockup, especially > if the CPU Frequency was at one of the slower operating points (like > 100 MHz / 200 MHz)

[PATCH] usb: dwc2: host: Don't retry NAKed transactions right away

2017-10-25 Thread Douglas Anderson
On rk3288-veyron devices on Chrome OS it was found that plugging in an Arduino-based USB device could cause the system to lockup, especially if the CPU Frequency was at one of the slower operating points (like 100 MHz / 200 MHz). Upon tracing, I found that the following was happening: * The USB de