Re: [PATCH 2/3] can: tcan4x5x: add deinit callback to set standby mode

From: Marc Kleine-Budde
Date: Thu Nov 14 2024 - 04:34:33 EST


On 11.11.2024 11:51:24, Sean Nyekjaer wrote:
> At Vsup 12V, standby mode will save 7-8mA, when the interface is
> down.
>
> Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
> ---
> drivers/net/can/m_can/tcan4x5x-core.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/net/can/m_can/tcan4x5x-core.c b/drivers/net/can/m_can/tcan4x5x-core.c
> index 2f73bf3abad889c222f15c39a3d43de1a1cf5fbb..c8336750cdc276b539dde7555b2510fba0d0da75 100644
> --- a/drivers/net/can/m_can/tcan4x5x-core.c
> +++ b/drivers/net/can/m_can/tcan4x5x-core.c
> @@ -270,6 +270,17 @@ static int tcan4x5x_init(struct m_can_classdev *cdev)
> return ret;
> }
>
> +static int tcan4x5x_deinit(struct m_can_classdev *cdev)
> +{
> + struct tcan4x5x_priv *tcan4x5x = cdev_to_priv(cdev);
> + int ret = 0;
> +
> + ret = regmap_update_bits(tcan4x5x->regmap, TCAN4X5X_CONFIG,
> + TCAN4X5X_MODE_SEL_MASK, TCAN4X5X_MODE_STANDBY);

return regmap_update_bits();

Marc

--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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