usb: xhci-mvebu: use xhci_deregister() for .remove callback
[oweals/u-boot.git] / drivers / usb / host / xhci-fsl.c
index 2529d0eb134068acd1c7569f37fe0e3538c2ce2f..798c358fd91aba38c617930bf6b4bccc4275b2ee 100644 (file)
@@ -84,6 +84,19 @@ static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci)
        /* Change beat burst and outstanding pipelined transfers requests */
        fsl_xhci_set_beat_burst_length(fsl_xhci->dwc3_reg);
 
+       /*
+        * A-010151: The dwc3 phy TSMC 28-nm HPM 0.9/1.8 V does not
+        * reliably support Rx Detect in P3 mode(P3 is the default
+        * setting). Therefore, some USB3.0 devices may not be detected
+        * reliably in Super Speed mode. So, USB controller to configure
+        * USB in P2 mode whenever the Receive Detect feature is required.
+        * whenever the Receive Detect feature is required.
+        */
+       if (has_erratum_a010151())
+               clrsetbits_le32(&fsl_xhci->dwc3_reg->g_usb3pipectl[0],
+                               DWC3_GUSB3PIPECTL_DISRXDETP3,
+                               DWC3_GUSB3PIPECTL_DISRXDETP3);
+
        return ret;
 }