bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0008-irq-bcm2836-Avoid-Invalid-trigger-warning.patch b/target/linux/bcm27xx/patches-5.4/950-0008-irq-bcm2836-Avoid-Invalid-trigger-warning.patch
new file mode 100644
index 0000000000..59aea1ad10
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0008-irq-bcm2836-Avoid-Invalid-trigger-warning.patch
@@ -0,0 +1,24 @@
+From 3588e218af8258a6ea86c37c6c65e6761461302a Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 9 Feb 2017 14:33:30 +0000
+Subject: [PATCH] irq-bcm2836: Avoid "Invalid trigger warning"
+
+Initialise the level for each IRQ to avoid a warning from the
+arm arch timer code.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/irqchip/irq-bcm2836.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/irqchip/irq-bcm2836.c
++++ b/drivers/irqchip/irq-bcm2836.c
+@@ -115,7 +115,7 @@ static int bcm2836_map(struct irq_domain
+ 	irq_set_percpu_devid(irq);
+ 	irq_domain_set_info(d, irq, hw, chip, d->host_data,
+ 			    handle_percpu_devid_irq, NULL, NULL);
+-	irq_set_status_flags(irq, IRQ_NOAUTOEN);
++	irq_set_status_flags(irq, IRQ_NOAUTOEN | IRQ_TYPE_LEVEL_LOW);
+ 
+ 	return 0;
+ }