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, 43 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0007-ivshmem-net-Switch-to-reset-state-on-each-net-stop-a.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0007-ivshmem-net-Switch-to-reset-state-on-each-net-stop-a.patch
new file mode 100644
index 0000000000..609fffeee1
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0007-ivshmem-net-Switch-to-reset-state-on-each-net-stop-a.patch
@@ -0,0 +1,43 @@
+From 869dce4a7f48b0642e4c902c5d142503dbd37dda Mon Sep 17 00:00:00 2001
+From: Jan Kiszka <jan.kiszka@siemens.com>
+Date: Sun, 1 Jan 2017 15:43:37 +0100
+Subject: [PATCH] ivshmem-net: Switch to reset state on each net stop and on
+ driver removal
+
+Improves the state signaling to the remote side after ifconfig down and
+driver removal.
+
+Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
+(cherry picked from commit d0f632b2830146d9892a2b1ab93f866f072412bb)
+---
+ drivers/net/ivshmem-net.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ivshmem-net.c
++++ b/drivers/net/ivshmem-net.c
+@@ -554,6 +554,8 @@ static void ivshm_net_do_stop(struct net
+ {
+ 	struct ivshm_net *in = netdev_priv(ndev);
+ 
++	ivshm_net_set_state(in, IVSHM_NET_STATE_RESET);
++
+ 	if (!test_and_clear_bit(IVSHM_NET_FLAG_RUN, &in->flags))
+ 		return;
+ 
+@@ -593,7 +595,6 @@ static void ivshm_net_state_change(struc
+ 		} else {
+ 			netif_carrier_off(ndev);
+ 			ivshm_net_do_stop(ndev);
+-			ivshm_net_set_state(in, IVSHM_NET_STATE_RESET);
+ 		}
+ 		break;
+ 	}
+@@ -899,6 +900,8 @@ static void ivshm_net_remove(struct pci_
+ 	struct net_device *ndev = pci_get_drvdata(pdev);
+ 	struct ivshm_net *in = netdev_priv(ndev);
+ 
++	writel(IVSHM_NET_STATE_RESET, &in->ivshm_regs->lstate);
++
+ 	if (in->using_msix)  {
+ 		free_irq(in->msix.vector, ndev);
+ 		pci_disable_msix(pdev);