[usb-next, v3 PATCH] usb: xhci: skip phys initialization of shared hcd

[Chunfeng Yun]

The phys has already been initialized when add primary hcd,
including usb2 phys and usb3 phys also if exist, so needn't
re-parse "phys" property again.

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
V3:
    add the following info about v1 & v2 suggested by Greg
V2:
    fix it in hcd.c suggested by Roger
V1:
    skip phys initialization when add shared HCD by setting
    xhci->shared_hcd->skip_phy_initialization=1;
    for both xhci-plat.c & xhci-mtk.c files.
---
 drivers/usb/core/hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 5a92d8f..777036a 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2757,7 +2757,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
 		}
 	}
 
-	if (!hcd->skip_phy_initialization) {
+	if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) {
 		hcd->phy_roothub = usb_phy_roothub_init(hcd->self.sysdev);
 		if (IS_ERR(hcd->phy_roothub)) {
 			retval = PTR_ERR(hcd->phy_roothub);
-- 
1.9.1