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Commit 771f184e authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: gadget: fix GCTL programming 



ensure a few bits are cleared before enabling
what we need.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f78d32e7

drivers/usb/dwc3/gadget.c

+3 −6
Original line number Diff line number Diff line
@@ -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