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ec6293febc
Ran update_kernel.sh in a fresh clone without any existing toolchains.
Manually rebased:
pending-5.4/611-netfilter_match_bypass_default_table.patch
The upstream change affecting this patch is the revert of an earlier
kernel commit. Therefore, we just revert our corresponding changes
in [1].
Build system: x86_64
Build-tested: ipq806x/R7800
[1] 9b1b89229f ("kernel: bump 5.4 to 5.4.86")
Signed-off-by: John Audia <graysky@archlinux.us>
[adjust manually rebased patch, add explanation]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 4c26434ac773e37f30ee5a8fa6f7275fe7dabac2 Mon Sep 17 00:00:00 2001
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From: Joakim Zhang <qiangqing.zhang@nxp.com>
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Date: Fri, 12 Jul 2019 08:02:47 +0000
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Subject: [PATCH] can: flexcan: add CAN FD BRS support
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This patch adds CAN FD BitRate Switch (BRS) support to driver.
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Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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---
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drivers/net/can/flexcan.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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--- a/drivers/net/can/flexcan.c
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+++ b/drivers/net/can/flexcan.c
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@@ -710,9 +710,13 @@ static netdev_tx_t flexcan_start_xmit(st
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if (cfd->can_id & CAN_RTR_FLAG)
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ctrl |= FLEXCAN_MB_CNT_RTR;
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- if (can_is_canfd_skb(skb))
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+ if (can_is_canfd_skb(skb)) {
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ctrl |= FLEXCAN_MB_CNT_EDL;
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+ if (cfd->flags & CANFD_BRS)
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+ ctrl |= FLEXCAN_MB_CNT_BRS;
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+ }
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+
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for (i = 0; i < cfd->len; i += sizeof(u32)) {
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data = be32_to_cpup((__be32 *)&cfd->data[i]);
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priv->write(data, &priv->tx_mb->data[i / sizeof(u32)]);
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@@ -943,6 +947,9 @@ static struct sk_buff *flexcan_mailbox_r
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if (reg_ctrl & FLEXCAN_MB_CNT_EDL) {
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cfd->len = can_dlc2len(get_canfd_dlc((reg_ctrl >> 16) & 0xf));
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+
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+ if (reg_ctrl & FLEXCAN_MB_CNT_BRS)
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+ cfd->flags |= CANFD_BRS;
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} else {
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cfd->len = get_can_dlc((reg_ctrl >> 16) & 0xf);
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