linux-kernel - Re: [PATCH] usb: musb: tweak musb_read

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Message-ID: <20090206192629.GE10711@frodo>
Date:	Fri, 6 Feb 2009 21:26:30 +0200
From:	Felipe Balbi <me@...ipebalbi.com>
To:	Mike Frysinger <vapier.adi@...il.com>
Cc:	me@...ipebalbi.com, Bryan Wu <cooloney@...nel.org>,
	felipe.balbi@...ia.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: musb: tweak musb_read_fifo() to avoid unused
	warnings

On Fri, Feb 06, 2009 at 02:24:27PM -0500, Mike Frysinger wrote:
> On Fri, Feb 6, 2009 at 14:15, Felipe Balbi wrote:
> > On Fri, Feb 06, 2009 at 06:22:16PM +0800, Bryan Wu wrote:
> >> From: Mike Frysinger <vapier.adi@...il.com>
> >
> > I'd like to get a patch body here.
> >
> >> Signed-off-by: Mike Frysinger <vapier.adi@...il.com>
> >> Signed-off-by: Bryan Wu <cooloney@...nel.org>
> >> ---
> >>  drivers/usb/musb/blackfin.c |    9 +++++----
> >>  1 files changed, 5 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
> >> index 7861348..0ebb19d 100644
> >> --- a/drivers/usb/musb/blackfin.c
> >> +++ b/drivers/usb/musb/blackfin.c
> >> @@ -54,13 +54,11 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
> >>  void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
> >>  {
> >>       void __iomem *fifo = hw_ep->fifo;
> >> +
> >> +#ifdef CONFIG_BF52x
> >>       u8 epnum = hw_ep->epnum;
> >>       u16 dma_reg = 0;
> >
> > Is this patch avoiding a warning about these variables being unused ?
> >
> > Would be nice to get this info to the patch body ;-)
> 
> the subject already says that

the subject says:

"tweak musb_read_fifo() to avoid unused warnings"

it doesn't specify where are the warnings.

-- 
balbi
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