usb: dwc3: gadget: remove a few more dwc arguments

In a few places, the argument is completely unnecessary. On places
where it's needed, we can get it from dep->dwc.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 6e746d456ae7e00c31cf4c78c86630cecbd48d16..20c6d3e768bfec2b65902997f35b4db59a2725bb 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -455,7 +455,7 @@ static void dwc3_free_trb_pool(struct dwc3_ep *dep)
        dep->trb_pool_dma = 0;
 }
 
-static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep);
+static int dwc3_gadget_set_xfer_resource(struct dwc3_ep *dep);
 
 /**
  * dwc3_gadget_start_config - configure ep resources
@@ -491,9 +491,10 @@ static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep);
  * triggered only when called for EP0-out, which always happens first, and which
  * should only happen in one of the above conditions.
  */
-static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
+static int dwc3_gadget_start_config(struct dwc3_ep *dep)
 {
        struct dwc3_gadget_ep_cmd_params params;
+       struct dwc3             *dwc;
        u32                     cmd;
        int                     i;
        int                     ret;
@@ -503,6 +504,7 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
 
        memset(&params, 0x00, sizeof(params));
        cmd = DWC3_DEPCMD_DEPSTARTCFG;
+       dwc = dep->dwc;
 
        ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
        if (ret)
@@ -514,7 +516,7 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
                if (!dep)
                        continue;
 
-               ret = dwc3_gadget_set_xfer_resource(dwc, dep);
+               ret = dwc3_gadget_set_xfer_resource(dep);
                if (ret)
                        return ret;
        }
@@ -522,12 +524,12 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
        return 0;
 }
 
-static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep,
-               unsigned int action)
+static int dwc3_gadget_set_ep_config(struct dwc3_ep *dep, unsigned int action)
 {
        const struct usb_ss_ep_comp_descriptor *comp_desc;
        const struct usb_endpoint_descriptor *desc;
        struct dwc3_gadget_ep_cmd_params params;
+       struct dwc3 *dwc = dep->dwc;
 
        comp_desc = dep->endpoint.comp_desc;
        desc = dep->endpoint.desc;
@@ -585,7 +587,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep,
        return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETEPCONFIG, &params);
 }
 
-static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep)
+static int dwc3_gadget_set_xfer_resource(struct dwc3_ep *dep)
 {
        struct dwc3_gadget_ep_cmd_params params;
 
@@ -614,12 +616,12 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
        int                     ret;
 
        if (!(dep->flags & DWC3_EP_ENABLED)) {
-               ret = dwc3_gadget_start_config(dwc, dep);
+               ret = dwc3_gadget_start_config(dep);
                if (ret)
                        return ret;
        }
 
-       ret = dwc3_gadget_set_ep_config(dwc, dep, action);
+       ret = dwc3_gadget_set_ep_config(dep, action);
        if (ret)
                return ret;