On 04/01/2013 01:19 PM, Guenter Roeck wrote: > of_get_mac_address() and of_get_phy_mode() are only provided if OF_NET > is configured. While most callers check for the define, not all do, and those > who do require #ifdef around the code. For those who don't, the missing check > can result in errors such as
How about removing the ifdef from those callers? Rob > > arch/powerpc/sysdev/tsi108_dev.c:107:3: error: implicit declaration of > function 'of_get_mac_address' [-Werror=implicit-function-declaration] > arch/powerpc/sysdev/mv64x60_dev.c:253:2: error: implicit declaration of > function 'of_get_mac_address' [-Werror=implicit-function-declaration] > > Provide dummy function declarations if OF_NET is not configured. This is safe > because all callers do check the return values. If desired, at least some of > the #ifdefs in the code can subsequently be removed. > > Cc: David Daney <[email protected]> > Signed-off-by: Guenter Roeck <[email protected]> > --- > include/linux/of_net.h | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/include/linux/of_net.h b/include/linux/of_net.h > index f474641..61bf53b 100644 > --- a/include/linux/of_net.h > +++ b/include/linux/of_net.h > @@ -11,6 +11,16 @@ > #include <linux/of.h> > extern const int of_get_phy_mode(struct device_node *np); > extern const void *of_get_mac_address(struct device_node *np); > +#else > +static inline const int of_get_phy_mode(struct device_node *np) > +{ > + return -ENODEV; > +} > + > +static inline const void *of_get_mac_address(struct device_node *np) > +{ > + return NULL; > +} > #endif > > #endif /* __LINUX_OF_NET_H */ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
