usb: renesas_usbhs: gadget: usbhsg_ep_disable() care pipe settings

Current usbhsg_ep_disable() didn't care
uep->pipe and pipe->mod_private variable which is used on usbhsg_ep_enable().
It breaks renesas_usbhs gadget when resume.
This patch fixes it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index c6942d7..f2985cd 100644 (file)
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -601,7 +601,12 @@ static int usbhsg_ep_disable(struct usb_ep *ep)
 {
        struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
 
-       return usbhsg_pipe_disable(uep);
+       usbhsg_pipe_disable(uep);
+
+       uep->pipe->mod_private  = NULL;
+       uep->pipe               = NULL;
+
+       return 0;
 }
 
 static struct usb_request *usbhsg_ep_alloc_request(struct usb_ep *ep,
@@ -753,7 +758,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status)
                        usbhsg_dma_map_ctrl);
        usbhs_fifo_init(priv);
 
-       /* dcp init */
+       /* dcp init instead of usbhsg_ep_enable() */
        dcp->pipe               = usbhs_dcp_malloc(priv);
        dcp->pipe->mod_private  = dcp;
        usbhs_pipe_config_update(dcp->pipe, 0, 0, 64);
@@ -815,7 +820,7 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status)
        usbhs_sys_set_test_mode(priv, 0);
        usbhs_sys_function_ctrl(priv, 0);
 
-       usbhsg_pipe_disable(dcp);
+       usbhsg_ep_disable(&dcp->ep);
 
        dev_dbg(dev, "stop gadget\n");