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drivers: can: rcar: add statistics support

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Add CAN controller statistics support to the Renesas R-Car CAN driver.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-02-25 09:50:48 +01:00 • committed by Maureen Helm
commit 9fe466f4b0
1 changed files with 8 additions and 9 deletions
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17
drivers/can/can_rcar.c
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@ -276,40 +276,39 @@ static void can_rcar_error(const struct device *dev)
if (eifr & RCAR_CAN_EIFR_BEIF) {
LOG_DBG("Bus error interrupt:\n");
ecsr = sys_read8(config->reg_addr + RCAR_CAN_ECSR);
if (ecsr & RCAR_CAN_ECSR_ADEF) {
LOG_DBG("ACK Delimiter Error\n");
CAN_STATS_ACK_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_ADEF,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_BE0F) {
LOG_DBG("Bit Error (dominant)\n");
CAN_STATS_BIT0_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_BE0F,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_BE1F) {
LOG_DBG("Bit Error (recessive)\n");
CAN_STATS_BIT1_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_BE1F,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_CEF) {
LOG_DBG("CRC Error\n");
CAN_STATS_CRC_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_CEF,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_AEF) {
LOG_DBG("ACK Error\n");
CAN_STATS_ACK_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_AEF,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_FEF) {
LOG_DBG("Form Error\n");
CAN_STATS_FORM_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_FEF,
config->reg_addr + RCAR_CAN_ECSR);
}
if (ecsr & RCAR_CAN_ECSR_SEF) {
LOG_DBG("Stuff Error\n");
CAN_STATS_STUFF_ERROR_INC(dev);
sys_write8((uint8_t)~RCAR_CAN_ECSR_SEF,
config->reg_addr + RCAR_CAN_ECSR);
}
@ -1059,7 +1058,7 @@ static const struct can_driver_api can_rcar_driver_api = {
}; \
static struct can_rcar_data can_rcar_data_##n; \
\
DEVICE_DT_INST_DEFINE(n, can_rcar_init, \
CAN_DEVICE_DT_INST_DEFINE(n, can_rcar_init, \
NULL, \
&can_rcar_data_##n, \
&can_rcar_cfg_##n, \