> -----Original Message----- > From: Premi, Sanjeev [mailto:premi@xxxxxx] > Sent: Thursday, January 06, 2011 8:03 PM > To: Shilimkar, Santosh; linux-omap@xxxxxxxxxxxxxxx > Cc: Hilman, Kevin; tony@xxxxxxxxxxx; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx; Shilimkar, Santosh; Paul Walmsley > Subject: RE: [PATCH v2 2/5] omap2plus: prm: Trvial build break fix > for undefined reference to 'omap2_prm_read_mod_reg' > > > -----Original Message----- > > From: linux-omap-owner@xxxxxxxxxxxxxxx > > [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of > > Santosh Shilimkar > > Sent: Wednesday, January 05, 2011 4:27 PM > > To: linux-omap@xxxxxxxxxxxxxxx > > Cc: Hilman, Kevin; tony@xxxxxxxxxxx; > > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Shilimkar, Santosh; > > Paul Walmsley > > Subject: [PATCH v2 2/5] omap2plus: prm: Trvial build break > > fix for undefined reference to 'omap2_prm_read_mod_reg' > > [snip] > > > > > #ifndef __ASSEMBLER__ > > - > > +/* > > + * Stub omap2xxx/omap3xxx functions so that common files > > + * continue to build when custom builds are used > > + */ > > +#if defined(CONFIG_ARCH_OMAP4) && > > !(defined(CONFIG_ARCH_OMAP2) || \ > > + defined(CONFIG_ARCH_OMAP3)) > > +static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) > > +{ > > + WARN_ONCE(1, "prm: omap2xxx/omap3xxx specific function and " > > + "not suppose to be used on omap4\n"); > > + return 0; > > +} > Looking forward, the warning of incorrect SOC may be required > for when kernel is build for one specific SOC. > > Wouldn't it be easy/better to have common global function: > > void wrong_soc(char* func, int soc_id) > { > WARN_ONCE(1, "Function %s cannot be used for %d", func, > soc_id); > } > > OR we could have soc specific functions e.g. > > void omap2xxx_only (char* func) > { > WARN_ONCE(1, "Function %s is specific to OMAP2XXX"); > } > ..etc.. > > Later these functions can be called from the stubs. > > This is prelim idea, will need to be worked upon. > Not sure. May appear like over engineering considering it's a stub. Paul can comment. Regards, Santosh -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html