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    Subject[PATCH v4 1/7] can: Kbuild: rename config symbol CAN_DEV into CAN_NETLINK
    Date
    In the next patches, the scope of the can_dev module will grow to
    engloble the software/virtual drivers (slcan, v(x)can). To this
    extent, release CAN_DEV by renaming it into CAN_NETLINK. The config
    symbol CAN_DEV will be reused to cover this extended scope.

    The rationale for the name CAN_NETLINK is that netlink is the
    predominant feature added here.

    The current description only mentions platform drivers despite the
    fact that this symbol is also required by "normal" devices (e.g. USB
    or PCI) which do not fall under the platform devices category.

    The description is updated accordingly to fix this gap.

    Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
    ---
    Please share if you have any suggestion on the name. I hesitated a lot
    between CAN_NETLINK or CAN_DEV_NETLINK (because netlink is the
    predominant feature) and CAN_DEV_HW (because this targets the
    non-software only drivers, i.e. the hardware ones).
    ---
    drivers/net/can/Kconfig | 18 +++++++++++-------
    drivers/net/can/dev/Makefile | 2 +-
    2 files changed, 12 insertions(+), 8 deletions(-)

    diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
    index b2dcc1e5a388..99f189ad35ad 100644
    --- a/drivers/net/can/Kconfig
    +++ b/drivers/net/can/Kconfig
    @@ -48,15 +48,19 @@ config CAN_SLCAN
    can be changed by the 'maxdev=xx' module option. This driver can
    also be built as a module. If so, the module will be called slcan.

    -config CAN_DEV
    - tristate "Platform CAN drivers with Netlink support"
    +config CAN_NETLINK
    + tristate "CAN device drivers with Netlink support"
    default y
    help
    - Enables the common framework for platform CAN drivers with Netlink
    - support. This is the standard library for CAN drivers.
    - If unsure, say Y.
    + Enables the common framework for CAN device drivers. This is the
    + standard library and provides features for the Netlink interface such
    + as bittiming validation, support of CAN error states, device restart
    + and others.
    +
    + This is required by all platform and hardware CAN drivers. If you
    + plan to use such devices or if unsure, say Y.

    -if CAN_DEV
    +if CAN_NETLINK

    config CAN_CALC_BITTIMING
    bool "CAN bit-timing calculation"
    @@ -164,7 +168,7 @@ source "drivers/net/can/softing/Kconfig"
    source "drivers/net/can/spi/Kconfig"
    source "drivers/net/can/usb/Kconfig"

    -endif
    +endif #CAN_NETLINK

    config CAN_DEBUG_DEVICES
    bool "CAN devices debugging messages"
    diff --git a/drivers/net/can/dev/Makefile b/drivers/net/can/dev/Makefile
    index af2901db473c..5b4c813c6222 100644
    --- a/drivers/net/can/dev/Makefile
    +++ b/drivers/net/can/dev/Makefile
    @@ -1,6 +1,6 @@
    # SPDX-License-Identifier: GPL-2.0

    -obj-$(CONFIG_CAN_DEV) += can-dev.o
    +obj-$(CONFIG_CAN_NETLINK) += can-dev.o
    can-dev-y += bittiming.o
    can-dev-y += dev.o
    can-dev-y += length.o
    --
    2.35.1
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