Hi Jiri, Geert, On Wed, 15 Aug 2012 22:01:38 +0200, Jiri Slaby wrote: > On 08/04/2012 11:24 AM, Geert Uytterhoeven wrote: > > Below is the list of build error/warning regressions/improvements in > > v3.6-rc1[1] compared to v3.5[2]. > ... > > + drivers/i2c/busses/i2c-designware-core.c: error: 'KBUILD_MODNAME' undeclared (first use in this function): > > This is a real problem we are facing here. It happens on PPC when all > I2C_DESIGNWARE_PLATFORM, I2C_DESIGNWARE_PCI and DYNAMIC_DEBUG are set. > > It's because i2c-designware-core.c is used in two modules > (i2c-designware-platform and i2c-designware-pci) and KBUILD_MODNAME is > not defined for those because (scripts/Makefile.lib): > # $(modname_flags) #defines KBUILD_MODNAME as the name of the module > # it will end up in (or would, if it gets compiled in) > # Note: Files that end up in two or more modules are compiled > # without the KBUILD_MODNAME definition. The reason is > # that any made-up name would differ in different configs. > > But DYNAMIC_DEBUG needs KBUILD_MODNAME for dev_dbg used in that source. > > Any ideas? Why is it not a separate module for example? It should be. Axel Lin has posted a patch which does that and it should fix your problem: https://lkml.org/lkml/2012/6/13/233 Please test and confirm it does the right thing. I'll push the patch upstream if it does. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
