usb: dwc2: gadget: fix debug message for zlp

Print debug message according to zlp direction. Always saying
"Sending" is misleading.

Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 50903003f4d9669698160ca52b1ee5fad87dc721..38ba0221482e98ca9efcad065940ecbdbbd3de14 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1335,7 +1335,12 @@ static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg,
        u32 epctl_reg = hs_ep->dir_in ? DIEPCTL(index) : DOEPCTL(index);
        u32 epsiz_reg = hs_ep->dir_in ? DIEPTSIZ(index) : DOEPTSIZ(index);
 
-       dev_dbg(hsotg->dev, "Sending zero-length packet on ep%d\n", index);
+       if (hs_ep->dir_in)
+               dev_dbg(hsotg->dev, "Sending zero-length packet on ep%d\n",
+                                                                       index);
+       else
+               dev_dbg(hsotg->dev, "Receiving zero-length packet on ep%d\n",
+                                                                       index);
 
        writel(DXEPTSIZ_MC(1) | DXEPTSIZ_PKTCNT(1) |
                        DXEPTSIZ_XFERSIZE(0), hsotg->regs +