diff options
| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/802-can-0020-can-flexcan-add-CAN-FD-BRS-support.patch | 40 |
1 files changed, 40 insertions, 0 deletions
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 0000000000..d569c7fbb7 --- /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 +@@ -703,9 +703,13 @@ 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)]); +@@ -936,6 +940,9 @@ 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); + |