usb: host: xhci-plat: add platform TPL support

The TPL support is used to identify targeted devices during
EH2.0 and EH3.0 certification test, the user can add "tpl-support"
at dts to enable this feature.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 94e939249b2b6dc0f65fb197a0b084889a7fb153..32b5574ad5c56403eb876a70b492f88182096903 100644 (file)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -18,6 +18,7 @@
 #include <linux/usb/phy.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
+#include <linux/usb/of.h>
 
 #include "xhci.h"
 #include "xhci-plat.h"
@@ -305,6 +306,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
                hcd->skip_phy_initialization = 1;
        }
 
+       hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
+       xhci->shared_hcd->tpl_support = hcd->tpl_support;
        ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
        if (ret)
                goto disable_usb_phy;