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authorMichael Trimarchi <michael@amarulasolutions.com>2018-03-29 11:52:45 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-29 12:03:01 +0200
commit9618d0934980c4b0d8d4b455ef10ba6b435e52c8 (patch)
treeb52967ca940e7fd4f09172c21660f98dd3f5c891 /drivers/usb
parentMerge tag 'usb-serial-4.17-rc1' of https://git.kernel.org/pub/scm/linux/kerne... (diff)
downloadlinux-9618d0934980c4b0d8d4b455ef10ba6b435e52c8.tar.xz
linux-9618d0934980c4b0d8d4b455ef10ba6b435e52c8.zip
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>
Diffstat (limited to 'drivers/usb')
-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;