From 6d624d9f123c31ff16ddccd0c224cc1536bd0ac9 Mon Sep 17 00:00:00 2001
From: Ycarus <ycarus@zugaina.org>
Date: Thu, 16 May 2019 22:32:22 +0200
Subject: [PATCH] Add coherent pool RPI patch

---
 .../patches-4.14/962-coherent_pool.patch      | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 root/target/linux/brcm2708/patches-4.14/962-coherent_pool.patch

diff --git a/root/target/linux/brcm2708/patches-4.14/962-coherent_pool.patch b/root/target/linux/brcm2708/patches-4.14/962-coherent_pool.patch
new file mode 100644
index 00000000..5ec9f537
--- /dev/null
+++ b/root/target/linux/brcm2708/patches-4.14/962-coherent_pool.patch
@@ -0,0 +1,53 @@
+From 591bd5452ad361deedc19d21d3f98bf1eab623ca Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 2 May 2019 22:14:34 +0100
+Subject: [PATCH] BCM270X_DT: Also set coherent_pool=1M for BT Pis
+
+See: https://github.com/raspberrypi/linux/issues/2924
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/bcm2708-rpi-0-w.dts      | 2 +-
+ arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 2 +-
+ arch/arm/boot/dts/bcm2710-rpi-3-b.dts      | 2 +-
+ 3 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
+index 68316404aab22..aa33646fcf531 100644
+--- a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
++++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
+@@ -8,7 +8,7 @@
+ 	model = "Raspberry Pi Zero W";
+ 
+ 	chosen {
+-		bootargs = "8250.nr_uarts=1";
++		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
+ 	};
+ 
+ 	aliases {
+diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+index 898ab48479e32..b5f125296e1e9 100644
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
+@@ -9,7 +9,7 @@
+ 	model = "Raspberry Pi 3 Model B+";
+ 
+ 	chosen {
+-		bootargs = "8250.nr_uarts=1";
++		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
+ 	};
+ 
+ 	aliases {
+diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+index 61ecb46b9c060..d9d9505c66932 100644
+--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
++++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
+@@ -9,7 +9,7 @@
+ 	model = "Raspberry Pi 3 Model B";
+ 
+ 	chosen {
+-		bootargs = "8250.nr_uarts=1";
++		bootargs = "coherent_pool=1M 8250.nr_uarts=1";
+ 	};
+ 
+ 	aliases {