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, 35 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/802-can-0010-can-flexcan-flexcan_irq-rename-variable-reg_iflag-re.patch b/target/linux/layerscape/patches-5.4/802-can-0010-can-flexcan-flexcan_irq-rename-variable-reg_iflag-re.patch
new file mode 100644
index 0000000000..e2086b74b3
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/802-can-0010-can-flexcan-flexcan_irq-rename-variable-reg_iflag-re.patch
@@ -0,0 +1,35 @@
+From f7f3c7abdef9fb6c9668a3945ec791fb206b4ee8 Mon Sep 17 00:00:00 2001
+From: Marc Kleine-Budde <mkl@pengutronix.de>
+Date: Fri, 1 Mar 2019 16:29:47 +0100
+Subject: [PATCH] can: flexcan: flexcan_irq(): rename variable reg_iflag ->
+ reg_iflag_rx
+
+This patch renames the variable reg_iflag in the flexcan_irq() function
+to reg_iflag_rx. This better reflects the contents of the varibale. It
+does not hold the unmodified iflag registers, instead all non RX
+interrupts have been masked.
+
+Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
+---
+ drivers/net/can/flexcan.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/net/can/flexcan.c
++++ b/drivers/net/can/flexcan.c
+@@ -898,13 +898,13 @@ static irqreturn_t flexcan_irq(int irq,
+ 
+ 	/* reception interrupt */
+ 	if (priv->devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP) {
+-		u64 reg_iflag;
++		u64 reg_iflag_rx;
+ 		int ret;
+ 
+-		while ((reg_iflag = flexcan_read_reg_iflag_rx(priv))) {
++		while ((reg_iflag_rx = flexcan_read_reg_iflag_rx(priv))) {
+ 			handled = IRQ_HANDLED;
+ 			ret = can_rx_offload_irq_offload_timestamp(&priv->offload,
+-								   reg_iflag);
++								   reg_iflag_rx);
+ 			if (!ret)
+ 				break;
+ 		}