From: Felipe Balbi Date: Thu, 8 Sep 2011 14:42:11 +0000 (+0300) Subject: usb: dwc3: gadget: fix GCTL programming X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=771f184ecebf34929a849eaa707aa463234254f7;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git usb: dwc3: gadget: fix GCTL programming ensure a few bits are cleared before enabling what we need. Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1de4d3f87569..6c64c7385314 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