linux-kernel - Re: [PATCH v5 0/7] can: refactoring of can-dev module and of Kbuild

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Date:   Mon, 6 Jun 2022 21:24:14 +0200
From:   Oliver Hartkopp <socketcan@...tkopp.net>
To:     Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
        Max Staudt <max@...as.org>, netdev@...r.kernel.org
Subject: Re: [PATCH v5 0/7] can: refactoring of can-dev module and of Kbuild

Hi Vincent,

great work!

On 04.06.22 18:29, Vincent Mailhol wrote:

> * menu after this series *
> 
> Network device support
>    symbol: CONFIG_NETDEVICES
>    |
>    +-> CAN Device Drivers
>        symbol: CONFIG_CAN_DEV
>        |
>        +-> software/virtual CAN device drivers
>        |   (at time of writing: slcan, vcan, vxcan)
>        |
>        +-> CAN device drivers with Netlink support
>            symbol: CONFIG_CAN_NETLINK (matches previous CONFIG_CAN_DEV)
>            |
>            +-> CAN bit-timing calculation (optional for all drivers)
>            |   symbol: CONFIG_CAN_BITTIMING
>            |
>            +-> All other CAN devices not relying on RX offload
>            |
>            +-> CAN rx offload
>                symbol: CONFIG_CAN_RX_OFFLOAD

Is this still true in patch series 5?

If I understood it correctly CONFIG_CAN_BITTIMING and 
CONFIG_CAN_RX_OFFLOAD can be enabled by the user and 
(alternatively/additionally) the selection of "flexcan, m_can, mcp251xfd 
and ti_hecc" enables CONFIG_CAN_RX_OFFLOAD too.

Right?

>                |
>                +-> CAN devices relying on rx offload
>                    (at time of writing: flexcan, m_can, mcp251xfd and ti_hecc)

Best regards,
Oliver