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>

1 files changed, 31 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0118-dpaa_eth-ERR010022-preserve-timestamping.patch b/target/linux/layerscape/patches-5.4/701-net-0118-dpaa_eth-ERR010022-preserve-timestamping.patch
new file mode 100644
index 0000000000..cd4f6f422b
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0118-dpaa_eth-ERR010022-preserve-timestamping.patch
@@ -0,0 +1,31 @@
+From 2039a9ff462d50251fd800ce4418f76230373783 Mon Sep 17 00:00:00 2001
+From: Camelia Groza <camelia.groza@nxp.com>
+Date: Mon, 22 Jul 2019 14:50:36 +0300
+Subject: [PATCH] dpaa_eth: ERR010022: preserve timestamping
+
+Maintain all timestamping fields when copying the skb.
+
+Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
+Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
+---
+ drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
++++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+@@ -2196,6 +2196,15 @@ static struct sk_buff *dpaa_errata_a0100
+ 	}
+ 	skb_copy_header(nskb, skb);
+ 
++	/* Copy relevant timestamp info from the old skb to the new */
++	if (priv->tx_tstamp) {
++		skb_shinfo(nskb)->tx_flags = skb_shinfo(skb)->tx_flags;
++		skb_shinfo(nskb)->hwtstamps = skb_shinfo(skb)->hwtstamps;
++		skb_shinfo(nskb)->tskey = skb_shinfo(skb)->tskey;
++		if (skb->sk)
++			skb_set_owner_w(nskb, skb->sk);
++	}
++
+ 	/* We move the headroom when we align it so we have to reset the
+ 	 * network and transport header offsets relative to the new data
+ 	 * pointer. The checksum offload relies on these offsets.