Re: [PATCH can-next] can: m_can: add support for optional reset

[Marc Kleine-Budde]

On 08.10.2025 11:38:30, Marc Kleine-Budde wrote:
> This patch has been split from the original series [1].
> 
> In some SoCs (observed on the STM32MP15) the M_CAN IP core keeps the CAN
> state and CAN error counters over an internal reset cycle. The STM32MP15
> SoC provides an external reset, which is shared between both M_CAN cores.
> 
> Add support for an optional external reset. Take care of shared resets,
> de-assert reset during the probe phase in m_can_class_register() and while
> the interface is up, assert the reset otherwise.
> 
> [1] https://lore.kernel.org/all/20250923-m_can-fix-state-handling-v3-0-06d8baccadbf@xxxxxxxxxxxxxx
> 
> Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Reviewed-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

Added to linux-can-next.

Marc

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