Commit 01b0e2cc authored Mar 16, 2018 by Thinh Nguyen Committed by Felipe Balbi Mar 22, 2018

usb: dwc3: gadget: Check IP revision for GRXTHRCFG



DWC_usb31 controller has a different UsbRxPktCnt bit fields from
GRXTHRCFG register. Check for DWC_usb31 IP revision to read the
appropriate value.

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent 2fbc5bdc

drivers/usb/dwc3/gadget.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -1858,7 +1858,11 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
		* bursts of data without going through any sort of endpoint throttling.
		*/
		reg = dwc3_readl(dwc->regs, DWC3_GRXTHRCFG);
		if (dwc3_is_usb31(dwc))
		reg &= ~DWC31_GRXTHRCFG_PKTCNTSEL;
		else
		reg &= ~DWC3_GRXTHRCFG_PKTCNTSEL;

		dwc3_writel(dwc->regs, DWC3_GRXTHRCFG, reg);

		dwc3_gadget_setup_nump(dwc);