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drivers: can: mcux: flexcan: add statistics support

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Add support for CAN controller statistics to the NXP MCUX FlexCAN
driver.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-02-11 15:08:07 +01:00 • committed by Marti Bolivar
commit 4f90a9aa86
1 changed files with 15 additions and 11 deletions
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22
drivers/can/can_mcux_flexcan.c
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@ -498,24 +498,28 @@ static inline void mcux_flexcan_transfer_error_status(const struct device *dev,
enum can_state state;
struct can_bus_err_cnt err_cnt;
if ((error & (kFLEXCAN_Bit0Error & kFLEXCAN_Bit1Error)) != 0U) {
LOG_DBG("TX arbitration lost (error 0x%016llx)", error);
if ((error & kFLEXCAN_Bit0Error) != 0U) {
CAN_STATS_BIT0_ERROR_INC(dev);
}
if ((error & kFLEXCAN_Bit1Error) != 0U) {
CAN_STATS_BIT1_ERROR_INC(dev);
}
if ((error & kFLEXCAN_AckError) != 0U) {
LOG_DBG("TX no ACK received (error 0x%016llx)", error);
CAN_STATS_ACK_ERROR_INC(dev);
}
if ((error & kFLEXCAN_StuffingError) != 0U) {
LOG_DBG("RX stuffing error (error 0x%016llx)", error);
CAN_STATS_STUFF_ERROR_INC(dev);
}
if ((error & kFLEXCAN_FormError) != 0U) {
LOG_DBG("RX form error (error 0x%016llx)", error);
CAN_STATS_FORM_ERROR_INC(dev);
}
if ((error & kFLEXCAN_CrcError) != 0U) {
LOG_DBG("RX CRC error (error 0x%016llx)", error);
CAN_STATS_CRC_ERROR_INC(dev);
}
(void)mcux_flexcan_get_state(dev, &state, &err_cnt);
@ -785,10 +789,10 @@ static const struct can_driver_api mcux_flexcan_driver_api = {
\
static struct mcux_flexcan_data mcux_flexcan_data_##id; \
\
DEVICE_DT_INST_DEFINE(id, &mcux_flexcan_init, \
CAN_DEVICE_DT_INST_DEFINE(id, mcux_flexcan_init, \
NULL, &mcux_flexcan_data_##id, \
&mcux_flexcan_config_##id, POST_KERNEL, \
CONFIG_CAN_INIT_PRIORITY, \
&mcux_flexcan_config_##id, \
POST_KERNEL, CONFIG_CAN_INIT_PRIORITY,\
&mcux_flexcan_driver_api); \
\
static void mcux_flexcan_irq_config_##id(const struct device *dev) \