linux-kernel - [PATCH 05/17] net2280: Remove dma

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Message-Id: <1417182662-7405-6-git-send-email-ricardo.ribalda@gmail.com>
Date:	Fri, 28 Nov 2014 14:50:50 +0100
From:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	Peter Chen <peter.chen@...escale.com>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/17] net2280: Remove dma_started field

Remove dma_started field from net2280_ep structure, since it is not used
by any function.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 drivers/usb/gadget/udc/net2280.c | 4 ----
 drivers/usb/gadget/udc/net2280.h | 2 +-
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 230b8d4..0340462 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -834,16 +834,12 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req)
 static inline void resume_dma(struct net2280_ep *ep)
 {
 	writel(readl(&ep->dma->dmactl) | BIT(DMA_ENABLE), &ep->dma->dmactl);
-
-	ep->dma_started = true;
 }
 
 static inline void ep_stop_dma(struct net2280_ep *ep)
 {
 	writel(readl(&ep->dma->dmactl) & ~BIT(DMA_ENABLE), &ep->dma->dmactl);
 	spin_stop_dma(ep->dma);
-
-	ep->dma_started = false;
 }
 
 static inline void
diff --git a/drivers/usb/gadget/udc/net2280.h b/drivers/usb/gadget/udc/net2280.h
index 03f1524..4c53b83 100644
--- a/drivers/usb/gadget/udc/net2280.h
+++ b/drivers/usb/gadget/udc/net2280.h
@@ -100,7 +100,7 @@ struct net2280_ep {
 	dma_addr_t				td_dma;	/* of dummy */
 	struct net2280				*dev;
 	unsigned long				irqs;
-	unsigned is_halt:1, dma_started:1;
+	unsigned is_halt:1;
 
 	/* analogous to a host-side qh */
 	struct list_head			queue;
-- 
2.1.3

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