usb: chipidea: usbmisc: evdo is only specific to OTG port

The USB_PHY_CTRL_FUNC is used specific for OTG port as described
in user manual. EVDO need to be set only for index 0 that
correspond to OTG port

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 8cdf0af156c6..a52f5a86f177 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -148,6 +148,9 @@ static int usbmisc_imx25_post(struct imx_usbmisc_data *data)
         if (data->index > 2)
                 return -EINVAL;
 
+        if (data->index)
+                return 0;
+
         if (data->evdo) {
                 spin_lock_irqsave(&usbmisc->lock, flags);
                 reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;