aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls104x-add-missing-dma-ranges-property.patch
blob: ebcbf36e75bb1fe13cd48f0c38a0fb0c9d99f8d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
From f656c67b9522f18e38394fe5b6e00302c0c8ceb8 Mon Sep 17 00:00:00 2001
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Date: Thu, 17 May 2018 11:40:07 +0300
Subject: [PATCH] arm64: dts: ls104x: add missing dma ranges property

These chips have a 48-bit address size so make sure that the dma-ranges
reflects this. Otherwise the linux kernel's dma sub-system will set
the default dma masks to full 64-bit, badly breaking dmas.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 1 +
 arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 1 +
 2 files changed, 2 insertions(+)

--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -218,6 +218,7 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
 
 		clockgen: clocking@1ee1000 {
 			compatible = "fsl,ls1043a-clockgen";
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -190,6 +190,7 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
 
 		ddr: memory-controller@1080000 {
 			compatible = "fsl,qoriq-memory-controller";