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79e0c19e85
If NO_DMA=y: drivers/built-in.o: In function `cfv_destroy_genpool': drivers/net/caif/caif_virtio.c:364: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `cfv_create_genpool': drivers/net/caif/caif_virtio.c:397: undefined reference to `dma_alloc_coherent' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
57 lines
1.5 KiB
Plaintext
57 lines
1.5 KiB
Plaintext
#
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# CAIF physical drivers
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#
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comment "CAIF transport drivers"
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config CAIF_TTY
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tristate "CAIF TTY transport driver"
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depends on CAIF && TTY
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default n
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---help---
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The CAIF TTY transport driver is a Line Discipline (ldisc)
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identified as N_CAIF. When this ldisc is opened from user space
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it will redirect the TTY's traffic into the CAIF stack.
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config CAIF_SPI_SLAVE
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tristate "CAIF SPI transport driver for slave interface"
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depends on CAIF && HAS_DMA
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default n
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---help---
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The CAIF Link layer SPI Protocol driver for Slave SPI interface.
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This driver implements a platform driver to accommodate for a
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platform specific SPI device. A sample CAIF SPI Platform device is
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provided in Documentation/networking/caif/spi_porting.txt
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config CAIF_SPI_SYNC
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bool "Next command and length in start of frame"
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depends on CAIF_SPI_SLAVE
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default n
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---help---
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Putting the next command and length in the start of the frame can
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help to synchronize to the next transfer in case of over or under-runs.
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This option also needs to be enabled on the modem.
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config CAIF_HSI
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tristate "CAIF HSI transport driver"
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depends on CAIF
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default n
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---help---
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The caif low level driver for CAIF over HSI.
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Be aware that if you enable this then you also need to
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enable a low-level HSI driver.
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config CAIF_VIRTIO
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tristate "CAIF virtio transport driver"
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depends on CAIF && HAS_DMA
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select VHOST_RING
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select VIRTIO
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select GENERIC_ALLOCATOR
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default n
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---help---
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The caif driver for CAIF over Virtio.
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if CAIF_VIRTIO
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source "drivers/vhost/Kconfig"
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endif
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