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drivers: can: m_can: fix reconfiguring bitrate

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Set enable configuration change bit in can_mcan_set_timing() because
the NBTP register can only be changed if we're in init mode AND
configuration change bit is set, per MCU docs.

Signed-off-by: Jeremy Wood <jeremy@bcdevices.com>
This commit is contained in:
Jeremy Wood 2022-01-27 15:38:35 -08:00 • committed by Carles Cufí
commit 833d6c2315
1 changed files with 3 additions and 0 deletions
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3
drivers/can/can_mcan.c
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@ -193,6 +193,9 @@ int can_mcan_set_timing(const struct can_mcan_config *cfg,
return -EIO;
}
/* Configuration Change Enable */
can->cccr |= CAN_MCAN_CCCR_CCE;
can_mcan_configure_timing(can, timing, timing_data);
ret = can_leave_init_mode(can, K_MSEC(CAN_INIT_TIMEOUT));