FROMLIST: usb: dwc3: pass arch data to xhci-hcd child

The xhci-hcd child node needs to inherit archdata attribute to use
dma_ops functions and attributes. This patch enables the USB DWC3
driver to pass archdata attributes to its xhci-hcd child node.

Signed-off-by: Thang Q. Nguyen <tqnguyen@apm.com>
Change-Id: I82abc58fd8d01d2233499958713dd69ed58dedb5
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(am from https://patchwork.kernel.org/patch/8109041/)

diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index c679f63783aec8c1a0fe4e43bef80546a55abf44..661fbae01ae2d1556245528311afdb079de63657 100644 (file)
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -37,6 +37,7 @@ int dwc3_host_init(struct dwc3 *dwc)
        xhci->dev.parent        = dwc->dev;
        xhci->dev.dma_mask      = dwc->dev->dma_mask;
        xhci->dev.dma_parms     = dwc->dev->dma_parms;
+       xhci->dev.archdata      = dwc->dev->archdata;
 
        dwc->xhci = xhci;