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, 90 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0346-staging-dpaa2-ethsw-ordered-workqueue-should-be-per-.patch b/target/linux/layerscape/patches-5.4/701-net-0346-staging-dpaa2-ethsw-ordered-workqueue-should-be-per-.patch
new file mode 100644
index 0000000000..e8ef62951b
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0346-staging-dpaa2-ethsw-ordered-workqueue-should-be-per-.patch
@@ -0,0 +1,90 @@
+From 6e0b1cafcfc1bf343cf4957a93850178ba9ea165 Mon Sep 17 00:00:00 2001
+From: Ioana Ciornei <ioana.ciornei@nxp.com>
+Date: Mon, 11 Nov 2019 18:50:58 +0200
+Subject: [PATCH] staging: dpaa2-ethsw: ordered workqueue should be per ethsw
+
+Create a different ordered workqueue per dpaa2-ethsw instance.  Without
+this change, we overwrite the global queue and leak memory when probing
+multiple instances of the driver.
+
+Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
+Link: https://lore.kernel.org/r/1573491058-24766-5-git-send-email-ioana.ciornei@nxp.com
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 17 +++++++++--------
+ drivers/staging/fsl-dpaa2/ethsw/ethsw.h |  1 +
+ 2 files changed, 10 insertions(+), 8 deletions(-)
+
+--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
++++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+@@ -18,8 +18,6 @@
+ 
+ #include "ethsw.h"
+ 
+-static struct workqueue_struct *ethsw_owq;
+-
+ /* Minimal supported DPSW version */
+ #define DPSW_MIN_VER_MAJOR		8
+ #define DPSW_MIN_VER_MINOR		1
+@@ -1229,8 +1227,10 @@ static int port_switchdev_event(struct n
+ 				unsigned long event, void *ptr)
+ {
+ 	struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
++	struct ethsw_port_priv *port_priv = netdev_priv(dev);
+ 	struct ethsw_switchdev_event_work *switchdev_work;
+ 	struct switchdev_notifier_fdb_info *fdb_info = ptr;
++	struct ethsw_core *ethsw = port_priv->ethsw_data;
+ 
+ 	if (!ethsw_port_dev_check(dev))
+ 		return NOTIFY_DONE;
+@@ -1266,7 +1266,7 @@ static int port_switchdev_event(struct n
+ 		return NOTIFY_DONE;
+ 	}
+ 
+-	queue_work(ethsw_owq, &switchdev_work->work);
++	queue_work(ethsw->workqueue, &switchdev_work->work);
+ 
+ 	return NOTIFY_DONE;
+ 
+@@ -1427,9 +1427,10 @@ static int ethsw_init(struct fsl_mc_devi
+ 		}
+ 	}
+ 
+-	ethsw_owq = alloc_ordered_workqueue("%s_ordered", WQ_MEM_RECLAIM,
+-					    "ethsw");
+-	if (!ethsw_owq) {
++	ethsw->workqueue = alloc_ordered_workqueue("%s_%d_ordered",
++						   WQ_MEM_RECLAIM, "ethsw",
++						   ethsw->sw_attr.id);
++	if (!ethsw->workqueue) {
+ 		err = -ENOMEM;
+ 		goto err_close;
+ 	}
+@@ -1441,7 +1442,7 @@ static int ethsw_init(struct fsl_mc_devi
+ 	return 0;
+ 
+ err_destroy_ordered_workqueue:
+-	destroy_workqueue(ethsw_owq);
++	destroy_workqueue(ethsw->workqueue);
+ 
+ err_close:
+ 	dpsw_close(ethsw->mc_io, 0, ethsw->dpsw_handle);
+@@ -1529,7 +1530,7 @@ static int ethsw_remove(struct fsl_mc_de
+ 
+ 	ethsw_teardown_irqs(sw_dev);
+ 
+-	destroy_workqueue(ethsw_owq);
++	destroy_workqueue(ethsw->workqueue);
+ 
+ 	dpsw_disable(ethsw->mc_io, 0, ethsw->dpsw_handle);
+ 
+--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
++++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
+@@ -70,6 +70,7 @@ struct ethsw_core {
+ 	struct notifier_block		port_nb;
+ 	struct notifier_block		port_switchdev_nb;
+ 	struct notifier_block		port_switchdevb_nb;
++	struct workqueue_struct		*workqueue;
+ };
+ 
+ #endif	/* __ETHSW_H */