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>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index c6942d7fec47..f2985cd88021 100644
--- 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");