From 01b0e2cc7d89b6aa4084993634b3ea673caff4e8 Mon Sep 17 00:00:00 2001 From: Thinh Nguyen Date: Fri, 16 Mar 2018 15:34:13 -0700 Subject: [PATCH] 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 Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1431a88437af..19cf9c0eef12 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -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); - reg &= ~DWC3_GRXTHRCFG_PKTCNTSEL; + 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); -- 2.11.0