target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls104x-add-missing-dma-ranges-property.patch

   1 From f656c67b9522f18e38394fe5b6e00302c0c8ceb8 Mon Sep 17 00:00:00 2001
   2 From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
   3 Date: Thu, 17 May 2018 11:40:07 +0300
   4 Subject: [PATCH] arm64: dts: ls104x: add missing dma ranges property
   5
   6 These chips have a 48-bit address size so make sure that the dma-ranges
   7 reflects this. Otherwise the linux kernel's dma sub-system will set
   8 the default dma masks to full 64-bit, badly breaking dmas.
   9
  10 Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
  11 ---
  12  arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 1 +
  13  arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 1 +
  14  2 files changed, 2 insertions(+)
  15
  16 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
  17 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
  18 @@ -218,6 +218,7 @@
  19                 #address-cells = <2>;
  20                 #size-cells = <2>;
  21                 ranges;
  22 +               dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
  23
  24                 clockgen: clocking@1ee1000 {
  25                         compatible = "fsl,ls1043a-clockgen";
  26 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
  27 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
  28 @@ -190,6 +190,7 @@
  29                 #address-cells = <2>;
  30                 #size-cells = <2>;
  31                 ranges;
  32 +               dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
  33
  34                 ddr: memory-controller@1080000 {
  35                         compatible = "fsl,qoriq-memory-controller";