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-rw-r--r--kernel/drivers/net/caif/Kconfig56
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diff --git a/kernel/drivers/net/caif/Kconfig b/kernel/drivers/net/caif/Kconfig
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+++ b/kernel/drivers/net/caif/Kconfig
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+#
+# 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