usb: renesas_usbhs: gadget: fix the behavior of pullup

[cascardo/linux.git] / drivers / usb / renesas_usbhs / common.c

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 169307b..3714787 100644 (file)
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -126,13 +126,15 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
 void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
 {
        u16 mask = DCFM | DRPD | DPRPU | HSE | USBE;
-       u16 val  = DPRPU | HSE | USBE;
+       u16 val  = HSE | USBE;
 
        /*
         * if enable
         *
         * - select Function mode
-        * - D+ Line Pull-up
+        * - D+ Line Pull-up is disabled
+        *      When D+ Line Pull-up is enabled,
+        *      calling usbhs_sys_function_pullup(,1)
         */
        usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
 }