linux-kernel - [PATCH 09/11] usb: mtu3: use MTU3_EP

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Message-ID: <1595834101-13094-9-git-send-email-chunfeng.yun@mediatek.com>
Date:   Mon, 27 Jul 2020 15:14:58 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Eddie Hung <eddie.hung@...iatek.com>
Subject: [PATCH 09/11] usb: mtu3: use MTU3_EP_WEDGE flag

Use MTU3_EP_WEDGE flag instead of the member @wedged in mtu3_ep
struct, then @wedged can be removed.

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
 drivers/usb/mtu3/mtu3.h            | 1 -
 drivers/usb/mtu3/mtu3_gadget.c     | 9 ++++-----
 drivers/usb/mtu3/mtu3_gadget_ep0.c | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h
index 8fd83bd..71f4f02 100644
--- a/drivers/usb/mtu3/mtu3.h
+++ b/drivers/usb/mtu3/mtu3.h
@@ -293,7 +293,6 @@ struct mtu3_ep {
 	const struct usb_endpoint_descriptor *desc;
 
 	int flags;
-	u8 wedged;
 };
 
 struct mtu3_request {
diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c
index ef9fcd5..73a8536 100644
--- a/drivers/usb/mtu3/mtu3_gadget.c
+++ b/drivers/usb/mtu3/mtu3_gadget.c
@@ -190,8 +190,7 @@ static int mtu3_gadget_ep_enable(struct usb_ep *ep,
 	if (ret)
 		goto error;
 
-	mep->wedged = 0;
-	mep->flags |= MTU3_EP_ENABLED;
+	mep->flags = MTU3_EP_ENABLED;
 	mtu->active_ep++;
 
 error:
@@ -219,7 +218,7 @@ static int mtu3_gadget_ep_disable(struct usb_ep *ep)
 
 	spin_lock_irqsave(&mtu->lock, flags);
 	mtu3_ep_disable(mep);
-	mep->flags &= ~MTU3_EP_ENABLED;
+	mep->flags = 0;
 	mtu->active_ep--;
 	spin_unlock_irqrestore(&(mtu->lock), flags);
 
@@ -389,7 +388,7 @@ static int mtu3_gadget_ep_set_halt(struct usb_ep *ep, int value)
 			goto done;
 		}
 	} else {
-		mep->wedged = 0;
+		mep->flags &= ~MTU3_EP_WEDGE;
 	}
 
 	dev_dbg(mtu->dev, "%s %s stall\n", ep->name, value ? "set" : "clear");
@@ -408,7 +407,7 @@ static int mtu3_gadget_ep_set_wedge(struct usb_ep *ep)
 {
 	struct mtu3_ep *mep = to_mtu3_ep(ep);
 
-	mep->wedged = 1;
+	mep->flags |= MTU3_EP_WEDGE;
 
 	return usb_ep_set_halt(ep);
 }
diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c
index 563a0a2..0ca4721 100644
--- a/drivers/usb/mtu3/mtu3_gadget_ep0.c
+++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c
@@ -417,7 +417,7 @@ static int ep0_handle_feature(struct mtu3 *mtu,
 
 		handled = 1;
 		/* ignore request if endpoint is wedged */
-		if (mep->wedged)
+		if (mep->flags & MTU3_EP_WEDGE)
 			break;
 
 		mtu3_ep_stall_set(mep, set);
-- 
1.9.1