Commit d548a617 authored Mar 16, 2018 by Thinh Nguyen Committed by Felipe Balbi Mar 22, 2018

usb: dwc3: Check IP revision for GTXFIFOSIZ



DWC_usb31 controller has different GTXFIFOSIZE bit field for TXFDEF.
Check for DWC_usb31 IP revision to read the appropriate bit fields.

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

parent 0cab8d26

drivers/usb/dwc3/gadget.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -2118,6 +2118,9 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc, u8 total)
		mdwidth /= 8;

		size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num));
		if (dwc3_is_usb31(dwc))
		size = DWC31_GTXFIFOSIZ_TXFDEF(size);
		else
		size = DWC3_GTXFIFOSIZ_TXFDEF(size);

		/* FIFO Depth is in MDWDITH bytes. Multiply */