Commit bfe0092d authored by Vincent Mailhol's avatar Vincent Mailhol Committed by Marc Kleine-Budde
Browse files

can: Kconfig: add CONFIG_CAN_RX_OFFLOAD 

Only a few drivers rely on the CAN rx offload framework (as of the
writing of this patch, only four: flexcan, m_can, mcp251xfd and
ti_hecc). Split it out of can-dev and add a new config symbol:
CAN_RX_OFFLOAD.

The drivers relying on CAN rx offload are in different sub
folders. Make CAN_RX_OFFLOAD an hidden option and tag all the drivers
depending on that feature with "select CAN_RX_OFFLOAD" so that the
option gets automatically enabled if and only if one of those drivers
is chosen.

Link: https://lore.kernel.org/all/20220610143009.323579-5-mailhol.vincent@wanadoo.fr


Suggested-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Suggested-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarVincent Mailhol <mailhol.vincent@wanadoo.fr>
Acked-by: default avatarMax Staudt <max@enpas.org>
Tested-by: default avatarOliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 0c7e1151

drivers/net/can/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -102,6 +102,9 @@ config CAN_CALC_BITTIMING 


	  If unsure, say Y.



config CAN_RX_OFFLOAD

	bool



config CAN_AT91

	tristate "Atmel AT91 onchip CAN controller"

	depends on (ARCH_AT91 || COMPILE_TEST) && HAS_IOMEM
@@ -113,6 +116,7 @@ config CAN_FLEXCAN 
	tristate "Support for Freescale FLEXCAN based chips"

	depends on OF || COLDFIRE || COMPILE_TEST

	depends on HAS_IOMEM

	select CAN_RX_OFFLOAD

	help

	  Say Y here if you want to support for Freescale FlexCAN.
@@ -162,6 +166,7 @@ config CAN_SUN4I 
config CAN_TI_HECC

	depends on ARM

	tristate "TI High End CAN Controller"

	select CAN_RX_OFFLOAD

	help

	  Driver for TI HECC (High End CAN Controller) module found on many

	  TI devices. The device specifications are available from www.ti.com

drivers/net/can/dev/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -9,4 +9,4 @@ can-dev-$(CONFIG_CAN_NETLINK) += bittiming.o 
can-dev-$(CONFIG_CAN_NETLINK) += dev.o

can-dev-$(CONFIG_CAN_NETLINK) += length.o

can-dev-$(CONFIG_CAN_NETLINK) += netlink.o

can-dev-$(CONFIG_CAN_NETLINK) += rx-offload.o
 
can-dev-$(CONFIG_CAN_RX_OFFLOAD) += rx-offload.o

drivers/net/can/m_can/Kconfig

+1 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: GPL-2.0-only

menuconfig CAN_M_CAN

	tristate "Bosch M_CAN support"

	select CAN_RX_OFFLOAD

	help

	  Say Y here if you want support for Bosch M_CAN controller framework.

	  This is common support for devices that embed the Bosch M_CAN IP.

drivers/net/can/spi/mcp251xfd/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ 


config CAN_MCP251XFD

	tristate "Microchip MCP251xFD SPI CAN controllers"

	select CAN_RX_OFFLOAD

	select REGMAP

	select WANT_DEV_COREDUMP

	help