linux-kernel - [PATCH 1/2] musb: remove unused frame variable

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Message-Id: <1510773635-26468-1-git-send-email-clabbe@baylibre.com>
Date:   Wed, 15 Nov 2017 19:20:34 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     b-liu@...com, gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH 1/2] musb: remove unused frame variable

This patch fix the following warning
drivers/usb/musb/musb_host.c:223:8: warning: variable 'frame' set but not used [-Wunused-but-set-variable]
by remove the frame variable in musb_start_urb().

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/usb/musb/musb_host.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 2627363fb4fe..aa573ab99384 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -195,7 +195,6 @@ static struct musb_qh *musb_ep_get_qh(struct musb_hw_ep *ep, int is_in)
 static void
 musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 {
-	u16			frame;
 	u32			len;
 	void __iomem		*mbase =  musb->mregs;
 	struct urb		*urb = next_urb(qh);
@@ -244,7 +243,6 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 	case USB_ENDPOINT_XFER_ISOC:
 	case USB_ENDPOINT_XFER_INT:
 		musb_dbg(musb, "check whether there's still time for periodic Tx");
-		frame = musb_readw(mbase, MUSB_FRAME);
 		/* FIXME this doesn't implement that scheduling policy ...
 		 * or handle framecounter wrapping
 		 */
-- 
2.13.6