From: Felipe Balbi <balbi@xxxxxx> ensure a few bits are cleared before enabling what we need. Signed-off-by: Felipe Balbi <balbi@xxxxxx> --- drivers/usb/dwc3/gadget.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1de4d3f..6c64c73 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1150,13 +1150,10 @@ static int dwc3_gadget_start(struct usb_gadget *g, reg = dwc3_readl(dwc->regs, DWC3_GCTL); - /* - * REVISIT: power down scale might be different - * depending on PHY used, need to pass that via platform_data - */ - reg |= DWC3_GCTL_PWRDNSCALE(0x61a) - | DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_DEVICE); + reg &= ~DWC3_GCTL_SCALEDOWN(3); + reg &= ~DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG); reg &= ~DWC3_GCTL_DISSCRAMBLE; + reg |= DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_DEVICE); /* * WORKAROUND: DWC3 revisions <1.90a have a bug -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
