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serial: SERIAL_FSL_LPUART should depend on HAS_DMA 

If NO_DMA=y:

drivers/built-in.o: In function `lpuart_dma_rx_free':
fsl_lpuart.c:(.text+0x7da28): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `lpuart_dma_tx_free':
fsl_lpuart.c:(.text+0x7da60): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `lpuart_dma_rx':
fsl_lpuart.c:(.text+0x7dab8): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `lpuart_dma_tx':
fsl_lpuart.c:(.text+0x7db7e): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `lpuart_copy_rx_to_tty':
fsl_lpuart.c:(.text+0x7dcd4): undefined reference to `dma_sync_single_for_cpu'
make[3]: *** [vmlinux] Error 1

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2014-05-06 14:41:19 +02:00 committed by Greg Kroah-Hartman
parent 07d410e064
commit ac62391496
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/Kconfig
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@ -1510,6 +1510,7 @@ config SERIAL_RP2_NR_UARTS
config SERIAL_FSL_LPUART
tristate "Freescale lpuart serial port support"
depends on HAS_DMA
select SERIAL_CORE
help
Support for the on-chip lpuart on some Freescale SOCs.