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usb: dwc3: gadget: check for lack of TRBs a bit earlier

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This will let us call __dwc3_gadget_kick_transfer()
unconditionally. No functional changes, cleanup only.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2017-09-05 14:28:46 +03:00
parent f9c5d1dbda
commit ccb94ebf9e
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/dwc3/gadget.c
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@ -1151,9 +1151,6 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep)
BUILD_BUG_ON_NOT_POWER_OF_2(DWC3_TRB_NUM);
if (!dwc3_calc_trbs_left(dep))
return;
/*
* We can get in a situation where there's a request in the started list
* but there weren't enough TRBs to fully kick it in the first time
@ -1202,6 +1199,9 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param)
int ret;
u32 cmd;
if (!dwc3_calc_trbs_left(dep))
return 0;
starting = !(dep->flags & DWC3_EP_BUSY);
dwc3_prepare_trbs(dep);