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, 36 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0017-drm-bridge-cadence-Fix-return-value-for-set-log-addr.patch b/target/linux/layerscape/patches-5.4/805-display-0017-drm-bridge-cadence-Fix-return-value-for-set-log-addr.patch
new file mode 100644
index 0000000000..19e14bd392
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/805-display-0017-drm-bridge-cadence-Fix-return-value-for-set-log-addr.patch
@@ -0,0 +1,36 @@
+From ce1e8ad4a303526026e56822a105ed45a19e6572 Mon Sep 17 00:00:00 2001
+From: Shengjiu Wang <shengjiu.wang@nxp.com>
+Date: Thu, 26 Sep 2019 17:46:04 +0800
+Subject: [PATCH] drm: bridge: cadence: Fix return value for set log addr
+
+Fix return value for set log addr with cec
+
+Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
+---
+ drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
++++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
+@@ -183,18 +183,18 @@ static int mhdp_cec_set_logical_addr(str
+ 
+ 		if ((la_reg & 0xF) == la) {
+ 			dev_warn(cec->dev, "Warning. LA already in use.\n");
+-			return true;
++			return 0;
+ 		}
+ 
+ 		la = (la & 0xF) | (1 << 4);
+ 
+ 		mhdp_cec_write(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF), la);
+-		return true;
++		return 0;
+ 	}
+ 
+ 	dev_warn(cec->dev, "All LA in use\n");
+ 
+-	return false;
++	return -EINVAL;
+ }
+ 
+ static int mhdp_cec_poll_worker(void *_cec)