2017-11-15 20:27:51

by Corentin LABBE

[permalink] [raw]
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 <[email protected]>
---
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


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