If NO_DMA=y: drivers/built-in.o: In function `rcar_i2c_dma_unmap': i2c-rcar.c:(.text+0x6f06c6): undefined reference to `bad_dma_ops' drivers/built-in.o: In function `rcar_i2c_dma': i2c-rcar.c:(.text+0x6f07e2): undefined reference to `bad_dma_ops' i2c-rcar.c:(.text+0x6f0838): undefined reference to `bad_dma_ops' Add a dependency on HAS_DMA to fix this. Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- drivers/i2c/busses/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 2dd40ddf04de3117..8ffb0d7015b0f4fe 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -985,6 +985,7 @@ config I2C_XLP9XX config I2C_RCAR tristate "Renesas R-Car I2C Controller" + depends on HAS_DMA depends on ARCH_RENESAS || COMPILE_TEST select I2C_SLAVE help -- 1.9.1