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arm64: dts: hisilicon: hi3798cv200: Add missing dma-ranges

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Reboot starts failing on Poplar since commit 8424ecdde7 ("arm64: mm:
Set ZONE_DMA size based on devicetree's dma-ranges"), which effectively
changes zone_dma_bits from 30 to 32 for arm64 platforms that do not
properly define dma-ranges in device tree.  It's unclear how Poplar reboot
gets broken by this change exactly, but a dma-ranges limiting zone_dma to
the first 1 GB fixes the regression.

Fixes: 2f20182ed6 ("arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board")
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
This commit is contained in:
Shawn Guo 2026-02-27 15:22:10 +08:00 committed by Wei Xu
parent c1f2b0f2b5
commit 1af997cad4
1 changed files with 1 additions and 0 deletions
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arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
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@ -122,6 +122,7 @@ soc: soc@f0000000 {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0xf0000000 0x10000000>;
dma-ranges = <0x0 0x0 0x0 0x40000000>;
crg: clock-reset-controller@8a22000 {
compatible = "hisilicon,hi3798cv200-crg", "syscon", "simple-mfd";