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

From: Andrew Morton
Date: Tue Sep 11 2007 - 23:21:31 EST


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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