* Jarkko Nikula <jarkko.nikula@xxxxxxxxx> [090212 22:58]: > On Thu, 12 Feb 2009 15:10:29 +0100 > "Shargorodsky Atal (EXT-Teleca/Helsinki)" > <ext-atal.shargorodsky@xxxxxxxxx> wrote: > > > This patch allows I2C_OMAP to be compiled as a module. > > Only drivers/i2c/busses/i2c-omap.c can be compiled as a module, > > but not arch/arm/plat-omap/i2c.c , so let the contents of i2c.c > > to compile into the kernel if either I2C_OMAP was selected to compile > > in or as a module. > > > > Signed-off-by: Atal Shargorodsky <ext-atal.shargorodsky@xxxxxxxxx> > > --- > > arch/arm/plat-omap/Makefile | 3 +-- > > arch/arm/plat-omap/i2c.c | 4 ++++ > > 2 files changed, 5 insertions(+), 2 deletions(-) > > > Tony, > > You can add this to your 2.6.29-rc series since the same build error is > in mainline as well if CONFIG_I2C_OMAP=m. > > Building modules, stage 2. > GZIP arch/arm/boot/compressed/piggy.gz > MODPOST 6 modules > ERROR: "i2c_register_board_info" [arch/arm/plat-omap/i2c.ko] undefined! > make[1]: *** [__modpost] Error 1 > make: *** [modules] Error 2 > make: *** Waiting for unfinished jobs.... > > Subject needs a "ARM: OMAP: " prefix, otherwise ok from me. > > Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxx> Sounds like a fix, except I posted a shorter version of the patch that should do the trick (untested). Attached here too for reference. Tony
--- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -21,7 +21,10 @@ obj-$(CONFIG_OMAP_COMPONENT_VERSION) += component-version.o obj-$(CONFIG_OMAP_GPIO_SWITCH) += gpio-switch.o obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o -obj-$(CONFIG_I2C_OMAP) += i2c.o + +ifneq ($(CONFIG_I2C_OMAP),) + obj-$(CONFIG_I2C_OMAP) += i2c.o +endif # OMAP mailbox framework obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o