linux-kernel - Re: linux-next: build failure after merge of the final tree (tty tree related)

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Date:	Thu, 6 Jan 2011 14:27:10 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Greg KH <greg@...ah.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (tty
 tree related)

HI Greg,

On Fri, 17 Dec 2010 11:16:17 +0100 (CET) Thomas Gleixner <tglx@...utronix.de> wrote:
>
> On Thu, 16 Dec 2010, Greg KH wrote:
> > On Fri, Dec 17, 2010 at 05:11:20PM +1100, Stephen Rothwell wrote:
> > > Hi Greg,
> > > 
> > > After merging the final tree, today's linux-next build (powerpc
> > > allyesconfig) failed like this:
> > > 
> > > drivers/serial/apbuart.c:596: error: conflicting types for 'grlib_apbuart_configure'
> > > drivers/serial/apbuart.c:523: note: previous declaration of 'grlib_apbuart_configure' was here
> > > 
> > > Caused by commit 35c64e5d13c3d7d8c4ad061ad5e20498b9160c24 ("drivers:
> > > serial: apbuart: Handle OF failures gracefully").  This build has
> > > CONFIG_SERIAL_GRLIB_GAISLER_APBUART_CONSOLE set ...
> > > 
> > > I have reverted this commit for today.
> > 
> > Ugh.  Thomas, care to send me a patch?
> 
> Sorry, I missed the console part. Patch below.

Ping?

> Thanks,
> 
> 	tglx
> ---
> Subject: drivers: serial: apbuart: Fixup apbuart_console_init()
> From: Thomas Gleixner <tglx@...utronix.de>
> Date: Fri, 17 Dec 2010 11:09:49 +0100
> 
> commit 35c64e5d (drivers: serial: apbuart: Handle OF failures
> gracefully) missed that the modified grlib_apbuart_configure()
> function is called from apbuart_console_init() as well.
> 
> Fix the fallout.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
>  drivers/serial/apbuart.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> Index: linux-2.6-tip/drivers/serial/apbuart.c
> ===================================================================
> --- linux-2.6-tip.orig/drivers/serial/apbuart.c
> +++ linux-2.6-tip/drivers/serial/apbuart.c
> @@ -520,11 +520,12 @@ static struct console grlib_apbuart_cons
>  };
>  
>  
> -static void grlib_apbuart_configure(void);
> +static int grlib_apbuart_configure(void);
>  
>  static int __init apbuart_console_init(void)
>  {
> -	grlib_apbuart_configure();
> +	if (grlib_apbuart_configure())
> +		return -ENODEV;
>  	register_console(&grlib_apbuart_console);
>  	return 0;
>  }

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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