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, 91 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0044-sdk_dpaa-ceetm-coding-style-fixes-and-added-comments.patch b/target/linux/layerscape/patches-5.4/701-net-0044-sdk_dpaa-ceetm-coding-style-fixes-and-added-comments.patch
new file mode 100644
index 0000000000..982344d86e
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0044-sdk_dpaa-ceetm-coding-style-fixes-and-added-comments.patch
@@ -0,0 +1,91 @@
+From e21cd0d3ef6f039c674b9e22581aaaabdf3a40f7 Mon Sep 17 00:00:00 2001
+From: Camelia Groza <camelia.groza@nxp.com>
+Date: Fri, 24 Nov 2017 11:55:51 +0200
+Subject: [PATCH] sdk_dpaa: ceetm: coding style fixes and added comments
+
+Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
+---
+ .../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c   | 38 ++++++++++++++--------
+ 1 file changed, 24 insertions(+), 14 deletions(-)
+
+--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
+@@ -69,15 +69,17 @@ static void get_dcp_and_sp(struct net_de
+ static void ceetm_ern(struct qman_portal *portal, struct qman_fq *fq,
+ 		      const struct qm_mr_entry *msg)
+ {
+-	struct net_device *net_dev;
+-	struct ceetm_class *cls;
++	struct dpa_percpu_priv_s *dpa_percpu_priv;
+ 	struct ceetm_class_stats *cstats = NULL;
+ 	const struct dpa_priv_s *dpa_priv;
+-	struct dpa_percpu_priv_s *dpa_percpu_priv;
+-	struct sk_buff *skb;
+ 	struct qm_fd fd = msg->ern.fd;
++	struct net_device *net_dev;
++	struct ceetm_fq *ceetm_fq;
++	struct ceetm_class *cls;
++	struct sk_buff *skb;
+ 
+-	net_dev = ((struct ceetm_fq *)fq)->net_dev;
++	ceetm_fq = container_of(fq, struct ceetm_fq, fq);
++	net_dev = ceetm_fq->net_dev;
+ 	dpa_priv = netdev_priv(net_dev);
+ 	dpa_percpu_priv = raw_cpu_ptr(dpa_priv->percpu_priv);
+ 
+@@ -86,7 +88,7 @@ static void ceetm_ern(struct qman_portal
+ 	dpa_percpu_priv->stats.tx_fifo_errors++;
+ 
+ 	/* Increment CEETM counters */
+-	cls = ((struct ceetm_fq *)fq)->ceetm_cls;
++	cls = ceetm_fq->ceetm_cls;
+ 	switch (cls->type) {
+ 	case CEETM_PRIO:
+ 		cstats = this_cpu_ptr(cls->prio.cstats);
+@@ -99,11 +101,15 @@ static void ceetm_ern(struct qman_portal
+ 	if (cstats)
+ 		cstats->ern_drop_count++;
+ 
++	/* Release the buffers that were supposed to be recycled. */
+ 	if (fd.bpid != 0xff) {
+ 		dpa_fd_release(net_dev, &fd);
+ 		return;
+ 	}
+ 
++	/* Release the frames that were supposed to return on the
++	 * confirmation path.
++	 */
+ 	skb = _dpa_cleanup_tx_fd(dpa_priv, &fd);
+ 	dev_kfree_skb_any(skb);
+ }
+@@ -1909,18 +1915,22 @@ static struct ceetm_class *ceetm_classif
+ 
+ int __hot ceetm_tx(struct sk_buff *skb, struct net_device *net_dev)
+ {
+-	int ret;
+-	bool act_drop = false;
++	const int queue_mapping = dpa_get_queue_mapping(skb);
+ 	struct Qdisc *sch = net_dev->qdisc;
+-	struct ceetm_class *cl;
++	struct ceetm_class_stats *cstats;
++	struct ceetm_qdisc_stats *qstats;
+ 	struct dpa_priv_s *priv_dpa;
+ 	struct ceetm_fq *ceetm_fq;
++	struct ceetm_qdisc *priv;
+ 	struct qman_fq *conf_fq;
+-	struct ceetm_qdisc *priv = qdisc_priv(sch);
+-	struct ceetm_qdisc_stats *qstats = this_cpu_ptr(priv->root.qstats);
+-	struct ceetm_class_stats *cstats;
+-	const int queue_mapping = dpa_get_queue_mapping(skb);
+-	spinlock_t *root_lock = qdisc_lock(sch);
++	struct ceetm_class *cl;
++	spinlock_t *root_lock;
++	bool act_drop = false;
++	int ret;
++
++	root_lock = qdisc_lock(sch);
++	priv = qdisc_priv(sch);
++	qstats = this_cpu_ptr(priv->root.qstats);
+ 
+ 	spin_lock(root_lock);
+ 	cl = ceetm_classify(skb, sch, &ret, &act_drop);