From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Thu, 22 Mar 2018 12:12:50 +0000 (+0800)
Subject: usb: skip phys initialization of shared hcd
X-Git-Tag: v4.17-rc1~126^2~22
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=29bca25e1bc4745b021e40b81b294b319693bde0;p=linux.git

usb: skip phys initialization of shared hcd

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@mediatek.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 5a92d8f7c484..777036ae6367 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);