From: Minas Harutyunyan minas.harutyunyan@synopsys.com
[ Upstream commit 5acb4b970184d189d901192d075997c933b82260 ]
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: aa3e8bc81311 ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/dwc2/gadget.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 3f68edde0f03..f64d1cd08fb6 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2230,6 +2230,7 @@ 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;