@@ -302,6 +302,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
{
u32 timeout = 500;
u32 reg;
+ int ret = -EINVAL;
dwc3_writel(dwc->regs, DWC3_DEPCMDPAR0(ep), params->param0);
dwc3_writel(dwc->regs, DWC3_DEPCMDPAR1(ep), params->param1);
@@ -313,7 +314,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
if (!(reg & DWC3_DEPCMD_CMDACT)) {
dev_vdbg(dwc->dev, "Command Complete --> %d\n",
DWC3_DEPCMD_STATUS(reg));
- return 0;
+ ret = 0;
+ break;
}
/*
@@ -321,11 +323,15 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
* interrupt context.
*/
timeout--;
- if (!timeout)
- return -ETIMEDOUT;
+ if (!timeout) {
+ ret = -ETIMEDOUT;
+ break;
+ }
udelay(1);
} while (1);
+
+ return ret;
}
static dma_addr_t dwc3_trb_dma_offset(struct dwc3_ep *dep,