Re: [PATCH] Moxa: Fix tiny compiler warning when building withougCONFIG_PCI

[Andrew Morton]

On Fri, 17 Aug 2007 00:08:58 +0200 Jesper Juhl <jesper.juhl@xxxxxxxxx> wrote:

> 
> Fix this tiny compiler warning in Moxa driver : 
>   drivers/char/mxser.c:386: warning: 'mxser_get_PCI_conf' declared 'static' but never defined
> when building without CONFIG_PCI.
> 
> 
> Signed-off-by: Jesper Juhl <jesper.juhl@xxxxxxxxx>
> ---
> 
>  drivers/char/mxser.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
> index 2aee3fe..83b15b5 100644
> --- a/drivers/char/mxser.c
> +++ b/drivers/char/mxser.c
> @@ -383,7 +383,9 @@ static int mxser_init(void);
>  
>  /* static void   mxser_poll(unsigned long); */
>  static int mxser_get_ISA_conf(int, struct mxser_hwconf *);
> +#ifdef CONFIG_PCI
>  static int mxser_get_PCI_conf(int, int, int, struct mxser_hwconf *);
> +#endif
>  static void mxser_do_softint(struct work_struct *);
>  static int mxser_open(struct tty_struct *, struct file *);
>  static void mxser_close(struct tty_struct *, struct file *);
> 

mxser_get_PCI_conf() is defined before it is used anwyay.  So that
prototype is a stupid waste of space and just adds problems.

--- a/drivers/char/mxser.c~mxser-fix-compiler-warning-when-building-withoug-config_pci
+++ a/drivers/char/mxser.c
@@ -383,7 +383,6 @@ static int mxser_init(void);
 
 /* static void   mxser_poll(unsigned long); */
 static int mxser_get_ISA_conf(int, struct mxser_hwconf *);
-static int mxser_get_PCI_conf(int, int, int, struct mxser_hwconf *);
 static void mxser_do_softint(struct work_struct *);
 static int mxser_open(struct tty_struct *, struct file *);
 static void mxser_close(struct tty_struct *, struct file *);
_

-
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