[PATCH 2/5] usb: dwc2: reset dwc2 core before dwc2_get_hwparams()

2015-10-07 Thread Douglas Anderson
From: 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

[PATCH 2/5] usb: dwc2: reset dwc2 core before dwc2_get_hwparams()

2015-10-07 Thread Douglas Anderson
From: 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