[PATCH] usb: xhci: tegra: enable stream protocol support

[Jim Lin]

From: Henry Lin <henryl@xxxxxxxxxx>

This commit enables stream transfer protocol for Tegra XHCI.

Signed-off-by: Henry Lin <henryl@xxxxxxxxxx>
Signed-off-by: Jim Lin <jilin@xxxxxxxxxx>
---

 drivers/usb/host/xhci-tegra.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index c75d93244143..ea55e401c70e 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1828,6 +1828,9 @@ static int tegra_xusb_probe(struct platform_device *pdev)
 		goto remove_usb2;
 	}
 
+	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+		xhci->shared_hcd->can_do_streams = 1;
+
 	err = usb_add_hcd(xhci->shared_hcd, tegra->xhci_irq, IRQF_SHARED);
 	if (err < 0) {
 		dev_err(&pdev->dev, "failed to add shared HCD: %d\n", err);
-- 
2.17.1