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Subject[PATCH 3/3] serial: SERIAL_IFX6X60 should depend on HAS_DMA
Date
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>
---
drivers/tty/serial/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index f8120c1bde14760f..daee183386368149 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -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.

--
1.9.1


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