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>

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 7c3a6e4..1431a88 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2118,7 +2118,10 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc, u8 total)
                        mdwidth /= 8;
 
                        size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num));
-                       size = DWC3_GTXFIFOSIZ_TXFDEF(size);
+                       if (dwc3_is_usb31(dwc))
+                               size = DWC31_GTXFIFOSIZ_TXFDEF(size);
+                       else
+                               size = DWC3_GTXFIFOSIZ_TXFDEF(size);
 
                        /* FIFO Depth is in MDWDITH bytes. Multiply */
                        size *= mdwidth;