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dwc2: gadget: Fix completed transfer size calculation in DDMA

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Fix calculation of transfer size on completion in function
dwc2_gadget_get_xfersize_ddma().

Added increment of descriptor pointer to move to next descriptor in
the loop.

Fixes: aa3e8bc813 ("usb: dwc2: gadget: DDMA transfer start and complete")

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Minas Harutyunyan 2019-02-22 15:49:19 +04:00 committed by Felipe Balbi
parent 28b5c129ca
commit 5acb4b9701
1 changed files with 1 additions and 0 deletions
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drivers/usb/dwc2/gadget.c
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@ -2325,6 +2325,7 @@ static unsigned int dwc2_gadget_get_xfersize_ddma(struct dwc2_hsotg_ep *hs_ep)
if (status & DEV_DMA_STS_MASK)
dev_err(hsotg->dev, "descriptor %d closed with %x\n",
i, status & DEV_DMA_STS_MASK);
desc++;
}
return bytes_rem;