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serial: SERIAL_IFX6X60 should depend on HAS_DMA

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If NO_DMA=y:

    drivers/built-in.o: In function `ifx_spi_free_device':
    ifx6x60.c:(.text+0x96d9a): undefined reference to `dma_free_coherent'
    drivers/built-in.o: In function `ifx_spi_spi_probe':
    ifx6x60.c:(.text+0x978a2): undefined reference to `dma_alloc_coherent'

While DMA is optional in this driver, and is used only if
ifx_modem_platform_data.use_dma is set, there are currently no in-tree
users of ifx_modem_platform_data (and thus of this driver), so just make
it depend on HAS_DMA.

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
2015-04-23 16:15:41 +02:00
committed by Greg Kroah-Hartman
parent cbbcd1f3b8
commit 35a0f950aa
1 changed files with 1 additions and 1 deletions
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drivers/tty/serial/Kconfig
+1 -1
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@@ -1349,7 +1349,7 @@ config SERIAL_ALTERA_UART_CONSOLE
config SERIAL_IFX6X60
tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
depends on GPIOLIB && SPI
depends on GPIOLIB && SPI && HAS_DMA
help
Support for the IFX6x60 modem devices on Intel MID platforms.