[PATCH] i2c: sh_mobile: I2C_SH_MOBILE should depend on HAS_DMA

[Geert Uytterhoeven]

If NO_DMA=y:

drivers/built-in.o: In function `sh_mobile_i2c_dma_unmap':
i2c-sh_mobile.c:(.text+0x60de42): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `sh_mobile_i2c_xfer_dma':
i2c-sh_mobile.c:(.text+0x60df22): undefined reference to `dma_map_single'
i2c-sh_mobile.c:(.text+0x60df2e): undefined reference to `dma_mapping_error'

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 c1351d9fb35bbc8d..f08dd20f625c184d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -753,6 +753,7 @@ config I2C_SH7760
 
 config I2C_SH_MOBILE
 	tristate "SuperH Mobile I2C Controller"
+	depends on HAS_DMA
 	depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
 	help
 	  If you say yes to this option, support will be included for the
-- 
1.9.1

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