From: Felipe Balbi Date: Wed, 17 May 2017 10:19:06 +0000 (+0300) Subject: usb: dwc3: gadget: don't WARN about lack of TRBs X-Git-Tag: v4.13-rc1~185^2~23^2~54 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=202adafe5a6e68fea30982c57cf51489936487ef;p=karo-tx-linux.git usb: dwc3: gadget: don't WARN about lack of TRBs We don't need a big fat warning with stack dump at all. Running out of TRBs is a normal condition and we will have more TRBs available as soon as some transfers complete. Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 6f6f0b3be3ad..7113a9f53ca9 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -953,7 +953,6 @@ static struct dwc3_trb *dwc3_ep_prev_trb(struct dwc3_ep *dep, u8 index) static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep) { struct dwc3_trb *tmp; - struct dwc3 *dwc = dep->dwc; u8 trbs_left; /* @@ -965,8 +964,7 @@ static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep) */ if (dep->trb_enqueue == dep->trb_dequeue) { tmp = dwc3_ep_prev_trb(dep, dep->trb_enqueue); - if (dev_WARN_ONCE(dwc->dev, tmp->ctrl & DWC3_TRB_CTRL_HWO, - "%s No TRBS left\n", dep->name)) + if (tmp->ctrl & DWC3_TRB_CTRL_HWO) return 0; return DWC3_TRB_NUM - 1;