Re: [PATCH v3] usb: dwc2: reset dwc2 core before dwc2_get_hwparams()

2015-08-20 Thread John Youn
On 8/19/2015 5:22 AM, Yunzhi Li wrote: > We initiate dwc2 usb controller in BIOS, dwc2_core_reset() should > be called before dwc2_get_hwparams() to reset core registers to > default value. Without this the FIFO setting might be incorrect > because calculating FIFO size need power-on value of > GRX

[PATCH v3] usb: dwc2: reset dwc2 core before dwc2_get_hwparams()

2015-08-19 Thread Yunzhi Li
We initiate dwc2 usb controller in BIOS, dwc2_core_reset() should be called before dwc2_get_hwparams() to reset core registers to default value. Without this the FIFO setting might be incorrect because calculating FIFO size need power-on value of GRXFSIZ/GNPTXFSIZ/HPTXFSIZ registers. This patch co