openwrt/target/linux/layerscape/patches-5.4/809-jailhouse-0017-ivshmem-net-Fix-bogus-transition-to-RESET-state.patch
Yangbo Lu cddd459140 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>
2020-05-07 12:53:06 +02:00

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Diff

From f9c647d5df14aab2ce40b77a2d8daf9e2065a165 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Sun, 4 Mar 2018 13:16:04 +0100
Subject: [PATCH] ivshmem-net: Fix bogus transition to RESET state
If we are in READY but the remote is still in INIT, we so far fell back
to RESET which caused the setup to get stuck. Fix this by only
transitioning from READY/RUN to RESET in ivshm_net_state_change if the
remote is in RESET as well.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
(cherry picked from commit b58915e11eba2643d5c68ea0328823a62c21dc49)
---
drivers/net/ivshmem-net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ivshmem-net.c
+++ b/drivers/net/ivshmem-net.c
@@ -598,7 +598,7 @@ static void ivshm_net_state_change(struc
if (rstate >= IVSHM_NET_STATE_READY) {
netif_carrier_on(ndev);
ivshm_net_run(ndev);
- } else {
+ } else if (rstate == IVSHM_NET_STATE_RESET) {
netif_carrier_off(ndev);
ivshm_net_do_stop(ndev);
}