From 5acb4b970184d189d901192d075997c933b82260 Mon Sep 17 00:00:00 2001
From: Minas Harutyunyan <minas.harutyunyan@synopsys.com>
Date: Fri, 22 Feb 2019 15:49:19 +0400
Subject: [PATCH] dwc2: gadget: Fix completed transfer size calculation in DDMA
Git-commit: 5acb4b970184d189d901192d075997c933b82260
Patch-mainline: v5.2-rc1
References: bsc#1051510
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 a17e444e467b..16ffd9fd9361 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -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;
--
2.16.4