mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Geert Uytterhoeven](/assets/img/avatar_default.png)
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>
56 lines
1.5 KiB
Text
56 lines
1.5 KiB
Text
#
|
|
# CAIF physical drivers
|
|
#
|
|
|
|
comment "CAIF transport drivers"
|
|
|
|
config CAIF_TTY
|
|
tristate "CAIF TTY transport driver"
|
|
depends on CAIF && TTY
|
|
default n
|
|
---help---
|
|
The CAIF TTY transport driver is a Line Discipline (ldisc)
|
|
identified as N_CAIF. When this ldisc is opened from user space
|
|
it will redirect the TTY's traffic into the CAIF stack.
|
|
|
|
config CAIF_SPI_SLAVE
|
|
tristate "CAIF SPI transport driver for slave interface"
|
|
depends on CAIF && HAS_DMA
|
|
default n
|
|
---help---
|
|
The CAIF Link layer SPI Protocol driver for Slave SPI interface.
|
|
This driver implements a platform driver to accommodate for a
|
|
platform specific SPI device. A sample CAIF SPI Platform device is
|
|
provided in Documentation/networking/caif/spi_porting.txt
|
|
|
|
config CAIF_SPI_SYNC
|
|
bool "Next command and length in start of frame"
|
|
depends on CAIF_SPI_SLAVE
|
|
default n
|
|
---help---
|
|
Putting the next command and length in the start of the frame can
|
|
help to synchronize to the next transfer in case of over or under-runs.
|
|
This option also needs to be enabled on the modem.
|
|
|
|
config CAIF_HSI
|
|
tristate "CAIF HSI transport driver"
|
|
depends on CAIF
|
|
default n
|
|
---help---
|
|
The caif low level driver for CAIF over HSI.
|
|
Be aware that if you enable this then you also need to
|
|
enable a low-level HSI driver.
|
|
|
|
config CAIF_VIRTIO
|
|
tristate "CAIF virtio transport driver"
|
|
depends on CAIF && HAS_DMA
|
|
select VHOST_RING
|
|
select VIRTIO
|
|
select GENERIC_ALLOCATOR
|
|
default n
|
|
---help---
|
|
The caif driver for CAIF over Virtio.
|
|
|
|
if CAIF_VIRTIO
|
|
source "drivers/vhost/Kconfig"
|
|
endif
|