(nuttx) 02/05: imx9/flexcan: Initialize union and allow BRS control

[xi...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang781216 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git

commit a117a55b4481a148d0825112e497129019100c4c
Author: Takashi Furuya <ta...@nttedt.co.jp>
AuthorDate: Mon Aug 3 16:52:33 2026 +0900

    imx9/flexcan: Initialize union and allow BRS control
    
    - Zero initialize union in imx9_transmit()
    - Allow setting BRS from frame flags
    
    Signed-off-by: Takashi Furuya <ta...@nttedt.co.jp>
    Co-Authored-By: Claude Fable 5 <no...@anthropic.com>
---
 arch/arm/src/imx9/imx9_flexcan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/src/imx9/imx9_flexcan.c b/arch/arm/src/imx9/imx9_flexcan.c
index f4462ec9799..9550597b84f 100644
--- a/arch/arm/src/imx9/imx9_flexcan.c
+++ b/arch/arm/src/imx9/imx9_flexcan.c
@@ -690,6 +690,7 @@ static int imx9_transmit(struct imx9_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;
@@ -732,6 +733,7 @@ static int imx9_transmit(struct imx9_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];