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authorMichael Trimarchi <michael@amarulasolutions.com>2018-03-29 17:52:45 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-29 12:03:01 +0200
commit9618d0934980c4b0d8d4b455ef10ba6b435e52c8 (patch)
treeb52967ca940e7fd4f09172c21660f98dd3f5c891
parent1ca5033101032f49e798d2f07971d87d48bda3ed (diff)
downloadlinux-9618d0934980c4b0d8d4b455ef10ba6b435e52c8.tar.gz
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>
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c3
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;