[PATCH] usb: xhci: save hcd_priv memory of shared_hcd

[Tao Wang]

The shared_hcd->hcd_priv is not used in xhci, so not
need to malloc hcd priv memory for shared_hcd.

Signed-off-by: Tao Wang <quic_wat@xxxxxxxxxxx>
---
 drivers/usb/host/xhci-plat.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 01dcfd7..a27dd3a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -336,6 +336,11 @@ static int xhci_plat_probe(struct platform_device *pdev)
 	device_set_wakeup_capable(&pdev->dev, true);
 
 	xhci->main_hcd = hcd;
+	/*
+	 * The shared_hcd->hcd_priv is not used in xhci,
+	 * so not need to malloc hcd priv memory for shared_hcd.
+	 */
+	driver->hcd_priv_size = 0;
 	xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev,
 			dev_name(&pdev->dev), hcd);
 	if (!xhci->shared_hcd) {
-- 
2.7.4