[PATCH 6.19 185/781] arm64: dts: qcom: x1e: bus is 40-bits (fix 64GB models)

Greg Kroah-Hartman
2026-02-25T01:30:17Z

From: Jonathan Marek <jonathan@marek.ca>

[ Upstream commit b38dd256e11a4c8bd5a893e11fc42d493939c907 ]

Unlike the phone SoCs this was copied from, x1e has a 40-bit physical bus.
The upper address space is used to support more than 32GB of memory.

This fixes issues when DMA buffers are allocated outside the 36-bit range.

Fixes: af16b00578a7 ("arm64: dts: qcom: Add base X1E80100 dtsi and the QCP dts")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251127212943.24480-1-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm64/boot/dts/qcom/hamoa.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
index 9c9e567731556..83a0a0c3239d2 100644
--- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
+++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
@@ -791,8 +791,8 @@ soc: soc@0 {

#address-cells = <2>;
#size-cells = <2>;
- dma-ranges = <0 0 0 0 0x10 0>;
- ranges = <0 0 0 0 0x10 0>;
+ dma-ranges = <0 0 0 0 0x100 0>;
+ ranges = <0 0 0 0 0x100 0>;

gcc: clock-controller@100000 {
compatible = "qcom,x1e80100-gcc";
--
2.51.0