ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch b/target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch
new file mode 100644
index 0000000..28e58ad
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch
@@ -0,0 +1,40 @@
+From 4c26434ac773e37f30ee5a8fa6f7275fe7dabac2 Mon Sep 17 00:00:00 2001
+From: Joakim Zhang <qiangqing.zhang@nxp.com>
+Date: Fri, 12 Jul 2019 08:02:47 +0000
+Subject: [PATCH] can: flexcan: add CAN FD BRS support
+
+This patch adds CAN FD BitRate Switch (BRS) support to driver.
+
+Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
+Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
+---
+ drivers/net/can/flexcan.c | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/can/flexcan.c
++++ b/drivers/net/can/flexcan.c
+@@ -710,9 +710,13 @@ static netdev_tx_t flexcan_start_xmit(st
+ if (cfd->can_id & CAN_RTR_FLAG)
+ ctrl |= FLEXCAN_MB_CNT_RTR;
+
+- if (can_is_canfd_skb(skb))
++ if (can_is_canfd_skb(skb)) {
+ ctrl |= FLEXCAN_MB_CNT_EDL;
+
++ if (cfd->flags & CANFD_BRS)
++ ctrl |= FLEXCAN_MB_CNT_BRS;
++ }
++
+ for (i = 0; i < cfd->len; i += sizeof(u32)) {
+ data = be32_to_cpup((__be32 *)&cfd->data[i]);
+ priv->write(data, &priv->tx_mb->data[i / sizeof(u32)]);
+@@ -943,6 +947,9 @@ static struct sk_buff *flexcan_mailbox_r
+
+ if (reg_ctrl & FLEXCAN_MB_CNT_EDL) {
+ cfd->len = can_dlc2len(get_canfd_dlc((reg_ctrl >> 16) & 0xf));
++
++ if (reg_ctrl & FLEXCAN_MB_CNT_BRS)
++ cfd->flags |= CANFD_BRS;
+ } else {
+ cfd->len = get_can_dlc((reg_ctrl >> 16) & 0xf);
+