diff options
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 4de007c..b4cc238 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -301,6 +301,7 @@ 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); @@ -312,7 +313,8 @@ 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; } /* @@ -320,11 +322,15 @@ 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, |