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, 68 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0344-staging-dpaa2-ethsw-move-port-switchdev-notifier-per.patch b/target/linux/layerscape/patches-5.4/701-net-0344-staging-dpaa2-ethsw-move-port-switchdev-notifier-per.patch
new file mode 100644
index 0000000000..459d145afc
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0344-staging-dpaa2-ethsw-move-port-switchdev-notifier-per.patch
@@ -0,0 +1,68 @@
+From e35e9d1a3dd2cc4f06f03ec4c3fae781bb0c5075 Mon Sep 17 00:00:00 2001
+From: Ioana Ciornei <ioana.ciornei@nxp.com>
+Date: Mon, 11 Nov 2019 18:50:56 +0200
+Subject: [PATCH] staging: dpaa2-ethsw: move port switchdev notifier per ethsw
+
+Register a different switchdev notifier block per ethsw instance.
+When probing multiple dpaa2-ethsw instances, without this the register
+will fail.
+
+Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
+Link: https://lore.kernel.org/r/1573491058-24766-3-git-send-email-ioana.ciornei@nxp.com
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 11 ++++-------
+ drivers/staging/fsl-dpaa2/ethsw/ethsw.h |  1 +
+ 2 files changed, 5 insertions(+), 7 deletions(-)
+
+--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
++++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+@@ -1314,10 +1314,6 @@ static int port_switchdev_blocking_event
+ 	return NOTIFY_DONE;
+ }
+ 
+-static struct notifier_block port_switchdev_nb = {
+-	.notifier_call = port_switchdev_event,
+-};
+-
+ static struct notifier_block port_switchdev_blocking_nb = {
+ 	.notifier_call = port_switchdev_blocking_event,
+ };
+@@ -1334,7 +1330,8 @@ static int ethsw_register_notifier(struc
+ 		return err;
+ 	}
+ 
+-	err = register_switchdev_notifier(&port_switchdev_nb);
++	ethsw->port_switchdev_nb.notifier_call = port_switchdev_event;
++	err = register_switchdev_notifier(&ethsw->port_switchdev_nb);
+ 	if (err) {
+ 		dev_err(dev, "Failed to register switchdev notifier\n");
+ 		goto err_switchdev_nb;
+@@ -1349,7 +1346,7 @@ static int ethsw_register_notifier(struc
+ 	return 0;
+ 
+ err_switchdev_blocking_nb:
+-	unregister_switchdev_notifier(&port_switchdev_nb);
++	unregister_switchdev_notifier(&ethsw->port_switchdev_nb);
+ err_switchdev_nb:
+ 	unregister_netdevice_notifier(&ethsw->port_nb);
+ 	return err;
+@@ -1499,7 +1496,7 @@ static void ethsw_unregister_notifier(st
+ 		dev_err(dev,
+ 			"Failed to unregister switchdev blocking notifier (%d)\n", err);
+ 
+-	err = unregister_switchdev_notifier(&port_switchdev_nb);
++	err = unregister_switchdev_notifier(&ethsw->port_switchdev_nb);
+ 	if (err)
+ 		dev_err(dev,
+ 			"Failed to unregister switchdev notifier (%d)\n", err);
+--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
++++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.h
+@@ -68,6 +68,7 @@ struct ethsw_core {
+ 	bool				learning;
+ 
+ 	struct notifier_block		port_nb;
++	struct notifier_block		port_switchdev_nb;
+ };
+ 
+ #endif	/* __ETHSW_H */