linux-kernel - [PATCH 1/6] usb: dwc2: gadget: use ep->fifo

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Message-Id: <bbca7304030c4264c3d3f738ffab62e8d7cdf051.1472502978.git.johnyoun@synopsys.com>
Date:   Mon, 29 Aug 2016 13:38:50 -0700
From:   John Youn <johnyoun@...opsys.com>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH 1/6] usb: dwc2: gadget: use ep->fifo_index in context of FIFO registers

From: Robert Baldyga <r.baldyga@...sung.com>

In context of FIFO registers we use ep->fifo_index instead of ep->index.

Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
Signed-off-by: John Youn <johnyoun@...opsys.com>
---
 drivers/usb/dwc2/gadget.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index af46adf..f6086d6 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -388,7 +388,8 @@ static int dwc2_hsotg_write_fifo(struct dwc2_hsotg *hsotg,
 			return -ENOSPC;
 		}
 	} else if (hsotg->dedicated_fifos && hs_ep->index != 0) {
-		can_write = dwc2_readl(hsotg->regs + DTXFSTS(hs_ep->index));
+		can_write = dwc2_readl(hsotg->regs +
+				DTXFSTS(hs_ep->fifo_index));
 
 		can_write &= 0xffff;
 		can_write *= 4;
@@ -2432,7 +2433,7 @@ static void kill_all_requests(struct dwc2_hsotg *hsotg,
 
 	if (!hsotg->dedicated_fifos)
 		return;
-	size = (dwc2_readl(hsotg->regs + DTXFSTS(ep->index)) & 0xffff) * 4;
+	size = (dwc2_readl(hsotg->regs + DTXFSTS(ep->fifo_index)) & 0xffff) * 4;
 	if (size < ep->fifo_size)
 		dwc2_hsotg_txfifo_flush(hsotg, ep->fifo_index);
 }
-- 
2.9.0