Re: [PATCH v2 2/4] can: flexcan: Add S32V234 support to FlexCAN driver

From: Marc Kleine-Budde
Date: Tue Jul 16 2024 - 02:57:37 EST


On 15.07.2024 17:27:21, Frank Li wrote:
> From: Chircu-Mare Bogdan-Petru <Bogdan.Chircu@xxxxxxxxxxxxx>
>
> Add flexcan support for S32V234.
>
> Signed-off-by: Chircu-Mare Bogdan-Petru <Bogdan.Chircu@xxxxxxxxxxxxx>
> Signed-off-by: Dan Nica <dan.nica@xxxxxxx>
> Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@xxxxxxx>
> Reviewed-by: Li Yang <leoyang.li@xxxxxxx>
> Reviewed-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
> Reviewed-by: Leonard Crestez <leonard.crestez@xxxxxxx>
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> drivers/net/can/flexcan/flexcan-core.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/can/flexcan/flexcan-core.c b/drivers/net/can/flexcan/flexcan-core.c
> index 8ea7f2795551b..f6e609c388d55 100644
> --- a/drivers/net/can/flexcan/flexcan-core.c
> +++ b/drivers/net/can/flexcan/flexcan-core.c
> @@ -378,6 +378,10 @@ static const struct flexcan_devtype_data fsl_lx2160a_r1_devtype_data = {
> FLEXCAN_QUIRK_SUPPORT_RX_MAILBOX_RTR,
> };
>
> +static struct flexcan_devtype_data fsl_s32v234_devtype_data = {
> + .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_DISABLE_MECR,
> +};

- Does the core support CAN-FD?
- Does the core generate an error interrupt when going from error warning
to error passive?
- Are you sure, you don't need to enable FLEXCAN_QUIRK_ENABLE_EACEN_RRS?
- You probably want to use the mailboxes instead of the FIFO for the
RX-path.

regards,
Marc

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