From 5f8a3ea68dc85a6b0c65882b41749b2f54af2001 Mon Sep 17 00:00:00 2001 From: Takashi Furuya Date: Mon, 3 Aug 2026 15:05:49 +0900 Subject: [PATCH] imxrt/flexcan: Initialize union and allow BRS control - Zero initialize union in imxrt_transmit() - Allow setting BRS from Signed-off-by: Takashi Furuya --- arch/arm/src/imxrt/imxrt_flexcan.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/src/imxrt/imxrt_flexcan.c b/arch/arm/src/imxrt/imxrt_flexcan.c index 2afc3700698..70288fa7d56 100644 --- a/arch/arm/src/imxrt/imxrt_flexcan.c +++ b/arch/arm/src/imxrt/imxrt_flexcan.c @@ -656,6 +656,7 @@ static int imxrt_transmit(struct imxrt_driver_s *priv) (peak_tx_mailbox_index_ > mbi ? peak_tx_mailbox_index_ : mbi); union cs_e cs; + cs.cs = 0; cs.code = CAN_TXMB_DATAORREMOTE; struct mb_s *mb = flexcan_get_mb(priv, mbi); mb->cs.code = CAN_TXMB_INACTIVE; @@ -698,6 +699,7 @@ static int imxrt_transmit(struct imxrt_driver_s *priv) } cs.rtr = frame->can_id & FLAGRTR ? 1 : 0; + cs.brs = frame->flags & CANFD_BRS ? 1 : 0; cs.dlc = g_len_to_can_dlc[frame->len];