[PATCH 1/2] usb: imx: fix overcurrent polarity handling on i.MX7

[Michael Grzeschik]

The reference manual says the overcurrent polarity is changed to low
with the bit set. We fix that according to the description.

Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>
---
 drivers/usb/imx/imx-usb-misc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c
index b663d073aa..660ebecd78 100644
--- a/drivers/usb/imx/imx-usb-misc.c
+++ b/drivers/usb/imx/imx-usb-misc.c
@@ -353,7 +353,7 @@ static __maybe_unused struct imx_usb_misc_data mx5_data = {
 
 #define MX6_USB_CTRL(n)			((n) * 4)
 #define MX6_USB_CTRL_OVER_CUR_DIS	(1 << 7)
-#define MX6_USB_CTRL_OVER_CUR_ACT_HIGH	(1 << 8)
+#define MX6_USB_CTRL_OVER_CUR_ACT_LOW	(1 << 8)
 #define MX6_USB_CTRL_PWR_POLARITY	(1 << 9)
 
 static void mx6_hsic_pullup(unsigned long reg, int on)
@@ -453,9 +453,9 @@ static int usbmisc_imx7d_init(void __iomem *base, int port,
 	} else {
 		reg &= ~MX6_USB_CTRL_OVER_CUR_DIS;
 		if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)
-			reg &= ~MX6_USB_CTRL_OVER_CUR_ACT_HIGH;
+			reg |= MX6_USB_CTRL_OVER_CUR_ACT_LOW;
 		else
-			reg |= MX6_USB_CTRL_OVER_CUR_ACT_HIGH;
+			reg &= ~MX6_USB_CTRL_OVER_CUR_ACT_LOW;
 	}
 	if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
 		reg |= MX6_USB_CTRL_PWR_POLARITY;
-- 
2.30.0