Re: [PATCH] param: dev_add_param_mac() depends on CONFIG_NET

[Markus Pargmann <mpa@pengutronix.de>]

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On Wed, Oct 07, 2015 at 08:34:51AM +0200, Sascha Hauer wrote:
> Hi Markus,
> 
> On Fri, Oct 02, 2015 at 02:35:01PM +0200, Markus Pargmann wrote:
> > This patch adds the proper inline function for CONFIG_PARAMETER && !
> > CONFIG_NET.
> > 
> > Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
> > ---
> >  include/param.h | 21 +++++++++++++--------
> >  1 file changed, 13 insertions(+), 8 deletions(-)
> > 
> > diff --git a/include/param.h b/include/param.h
> > index 3a851fc552a4..f8a2534ef3a8 100644
> > --- a/include/param.h
> > +++ b/include/param.h
> > @@ -63,10 +63,12 @@ struct param_d *dev_add_param_ip(struct device_d *dev, const char *name,
> >  		int (*get)(struct param_d *p, void *priv),
> >  		IPaddr_t *ip, void *priv);
> >  
> > +#ifdef CONFIG_NET
> >  struct param_d *dev_add_param_mac(struct device_d *dev, const char *name,
> >  		int (*set)(struct param_d *p, void *priv),
> >  		int (*get)(struct param_d *p, void *priv),
> >  		u8 *mac, void *priv);
> > +#endif
> >  
> >  int dev_add_param_fixed(struct device_d *dev, const char *name, const char *value);
> >  
> > @@ -154,14 +156,6 @@ static inline struct param_d *dev_add_param_ip(struct device_d *dev, const char
> >  	return ERR_PTR(-ENOSYS);
> >  }
> >  
> > -static inline struct param_d *dev_add_param_mac(struct device_d *dev, const char *name,
> > -		int (*set)(struct param_d *p, void *priv),
> > -		int (*get)(struct param_d *p, void *priv),
> > -		u8 *mac, void *priv)
> > -{
> > -	return ERR_PTR(-ENOSYS);
> > -}
> > -
> >  static inline int dev_add_param_fixed(struct device_d *dev, const char *name, const char *value)
> >  {
> >  	return 0;
> > @@ -178,4 +172,15 @@ static inline int dev_param_set_generic(struct device_d *dev, struct param_d *p,
> >  }
> >  #endif
> >  
> > +#if ! defined(CONFIG_PARAMETER) || ! defined(CONFIG_NET)
> > +static inline struct param_d *dev_add_param_mac(struct device_d *dev, const char *name,
> > +		int (*set)(struct param_d *p, void *priv),
> > +		int (*get)(struct param_d *p, void *priv),
> > +		u8 *mac, void *priv)
> > +{
> > +	return ERR_PTR(-ENOSYS);
> > +}
> 
> Reverted this patch because with it we get a redifinition of
> dev_add_param_mac when CONFIG_PARAMETER is enabled but CONFIG_NET is
> disabled:

This seems to be already solved differently mainline, sorry. That's why
the build failed with that setup.

Best Regards,

Markus

> 
> lib/parameter.c:729:17: error: redefinition of 'dev_add_param_mac'
>  struct param_d *dev_add_param_mac(struct device_d *dev, const char *name,
>                  ^
> In file included from include/console.h:23:0,
>                  from include/stdio.h:5,
>                  from include/common.h:23,
>                  from lib/parameter.c:24:
> include/param.h:176:31: note: previous definition of 'dev_add_param_mac' was here
>  static inline struct param_d *dev_add_param_mac(struct device_d *dev, const char *name,
>                                ^
> scripts/Makefile.build:249: recipe for target 'lib/parameter.o' failed
> 
> Looking at it the behaviour was fine without this patch. What was the
> motivation creating it?
> 
> Sascha
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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