usb: dwc3: gadget: pass dep as argument to endpoint command

In all call sites of dwc3_send_gadget_ep_cmd() we
already had a valid dep pointer, so instead of
passing dwc and dep->number, which would be used to
fetch the same pointer we already had, just pass dep
directly.

In other words, we're changing:

	struct dwc3_ep *dep = dwc[dep->number];

to just passing struct dwc3_ep *dep as argument.

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

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index f4bec06..27afe14 100644 (file)
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1105,8 +1105,8 @@ void dwc3_gadget_exit(struct dwc3 *dwc);
 int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode);
 int dwc3_gadget_get_link_state(struct dwc3 *dwc);
 int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state);
-int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
-               unsigned cmd, struct dwc3_gadget_ep_cmd_params *params);
+int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
+               struct dwc3_gadget_ep_cmd_params *params);
 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param);
 #else
 static inline int dwc3_gadget_init(struct dwc3 *dwc)
@@ -1121,8 +1121,8 @@ static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc,
                enum dwc3_link_state state)
 { return 0; }
 
-static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
-               unsigned cmd, struct dwc3_gadget_ep_cmd_params *params)
+static inline int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
+               struct dwc3_gadget_ep_cmd_params *params)
 { return 0; }
 static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
                int cmd, u32 param)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 51b52a7..e08150a 100644 (file)
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -98,8 +98,7 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
 
        trace_dwc3_prepare_trb(dep, trb);
 
-       ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
-                       DWC3_DEPCMD_STARTTRANSFER, &params);
+       ret = dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_STARTTRANSFER, &params);
        if (ret < 0) {
                dwc3_trace(trace_dwc3_ep0, "%s STARTTRANSFER failed",
                                dep->name);
@@ -1058,7 +1057,7 @@ static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
        cmd |= DWC3_DEPCMD_CMDIOC;
        cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
        memset(&params, 0, sizeof(params));
-       ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
+       ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
        WARN_ON_ONCE(ret);
        dep->resource_index = 0;
 }

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index eb28326..5225f0e 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -238,16 +238,18 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)
 
 static int __dwc3_gadget_wakeup(struct dwc3 *dwc);
 
-int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
-               unsigned cmd, struct dwc3_gadget_ep_cmd_params *params)
+int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
+               struct dwc3_gadget_ep_cmd_params *params)
 {
-       struct dwc3_ep          *dep = dwc->eps[ep];
+       struct dwc3             *dwc = dep->dwc;
        u32                     timeout = 500;
        u32                     reg;
 
        int                     susphy = false;
        int                     ret = -EINVAL;
 
+       unsigned                ep = dep->number;
+
        trace_dwc3_gadget_ep_cmd(dep, cmd, params);
 
        /*
@@ -364,7 +366,7 @@ static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep *dep)
 
        memset(&params, 0, sizeof(params));
 
-       return dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
+       return dwc3_send_gadget_ep_cmd(dep, cmd, &params);
 }
 
 static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep,
@@ -452,7 +454,7 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
        memset(&params, 0x00, sizeof(params));
        cmd = DWC3_DEPCMD_DEPSTARTCFG;
 
-       ret = dwc3_send_gadget_ep_cmd(dwc, 0, cmd, &params);
+       ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
        if (ret)
                return ret;
 
@@ -528,8 +530,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep,
                dep->interval = 1 << (desc->bInterval - 1);
        }
 
-       return dwc3_send_gadget_ep_cmd(dwc, dep->number,
-                       DWC3_DEPCMD_SETEPCONFIG, &params);
+       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)
@@ -540,8 +541,8 @@ static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep)
 
        params.param0 = DWC3_DEPXFERCFG_NUM_XFER_RES(1);
 
-       return dwc3_send_gadget_ep_cmd(dwc, dep->number,
-                       DWC3_DEPCMD_SETTRANSFRESOURCE, &params);
+       return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETTRANSFRESOURCE,
+                       &params);
 }
 
 /**
@@ -1008,7 +1009,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param)
        }
 
        cmd |= DWC3_DEPCMD_PARAM(cmd_param);
-       ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
+       ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
        if (ret < 0) {
                /*
                 * FIXME we need to iterate over the list of requests
@@ -1311,14 +1312,15 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
                        return -EAGAIN;
                }
 
-               ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
-                       DWC3_DEPCMD_SETSTALL, &params);
+               ret = dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETSTALL,
+                               &params);
                if (ret)
                        dev_err(dwc->dev, "failed to set STALL on %s\n",
                                        dep->name);
                else
                        dep->flags |= DWC3_EP_STALL;
        } else {
+
                ret = dwc3_send_clear_stall_ep_cmd(dep);
                if (ret)
                        dev_err(dwc->dev, "failed to clear STALL on %s\n",
@@ -2271,7 +2273,7 @@ static void dwc3_stop_active_transfer(struct dwc3 *dwc, u32 epnum, bool force)
        cmd |= DWC3_DEPCMD_CMDIOC;
        cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
        memset(&params, 0, sizeof(params));
-       ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, cmd, &params);
+       ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
        WARN_ON_ONCE(ret);
        dep->resource_index = 0;
        dep->flags &= ~DWC3_EP_BUSY;