This patch fixes an issue that the speed of USB devices was not detected
correctly on some EHCI controllers. This will be used on the upcoming VCT
EHCI support.

Signed-off-by: Stefan Roese <[email protected]>
---
 drivers/usb/usb_ehci_core.c |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/usb_ehci_core.c b/drivers/usb/usb_ehci_core.c
index 9736707..28962fa 100644
--- a/drivers/usb/usb_ehci_core.c
+++ b/drivers/usb/usb_ehci_core.c
@@ -546,7 +546,22 @@ ehci_submit_root(struct usb_device *dev, unsigned long 
pipe, void *buffer,
                }
                if (reg & EHCI_PS_PP)
                        tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
-               tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
+
+               if (ehci_is_TDI()) {
+                       switch ((reg >> 26) & 3) {
+                       case 0:
+                               break;
+                       case 1:
+                               tmpbuf[1] |= USB_PORT_STAT_LOW_SPEED >> 8;
+                               break;
+                       case 2:
+                       default:
+                               tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
+                               break;
+                       }
+               } else {
+                       tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
+               }
 
                if (reg & EHCI_PS_CSC)
                        tmpbuf[2] |= USB_PORT_STAT_C_CONNECTION;
-- 
1.6.1

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