Messages in this thread | | | Date | Tue, 13 Oct 2009 20:39:24 +0200 | From | Sam Ravnborg <> | Subject | Re: changing module from single to multi-file build |
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On Tue, Oct 13, 2009 at 09:24:27AM +0100, Ben Dooks wrote: > I have a driver, drivers/spi/spi_s3c24xx.c in this case that I have > written an FIQ handler for which requires some assembly code. My attempts > at trying to change it so that I can build a single module with both the > C and ASM code linked together have not yet been a success. > > The original makefile bit from drivers/spi/Makefile was: > > obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o > > This allows it to work as a kernel builtin: > > obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o > obj-$(CONFIG_SPI_S3C24XX_FIQ) += spi_s3c24xx_fiq.o > > I tried adding the following to the file, but this does not make > the FIQ code, I assume as there is still drivers/spi/spi_s3c24xx.c. > > obj-spi_s3c24xx-y := spi_s3c24xx.o > obj-spi_s3c24xx-$(CONFIG_SPI_S3C24XX_FIQ) += spi_s3c24xx_fiq.o
A multi-file module cannot have a .c file with a name equal to the modulename. So going from a single-file module to a multi-file module rwquire you to rename the .c file if you want to keep the old module name.
Sam
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