| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 185/343] dwc2: gadget: Fix completed transfer size calculation in DDMA | Date | Fri, 24 Jan 2020 10:30:03 +0100 |
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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 e164439b21542..4af9a1c652edb 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2276,6 +2276,7 @@ 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; -- 2.20.1
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