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drivers: flexcan: fix loopback mode

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Fix CAN loopback mode in the NXP MCUX FlexCAN driver by only disabling
self-reception when loopback mode was not requested.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2019-10-07 16:43:07 +02:00 • committed by Maureen Helm
commit 00f0fb73fd
1 changed files with 4 additions and 2 deletions
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4
drivers/can/can_mcux_flexcan.c
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@ -165,8 +165,10 @@ static int mcux_flexcan_configure(struct device *dev, enum can_mode mode,
if (mode == CAN_SILENT_MODE || mode == CAN_SILENT_LOOPBACK_MODE) {
config->base->CTRL1 |= CAN_CTRL1_LOM(1);
}
/* Disable self reception */
if (mode != CAN_LOOPBACK_MODE && mode != CAN_SILENT_LOOPBACK_MODE) {
/* Disable self-reception unless loopback is requested */
config->base->MCR |= CAN_MCR_SRXDIS(1);
}
mcux_flexcan_thaw(dev);
#endif