Commit 1af997ca authored by Shawn Guo's avatar Shawn Guo Committed by Wei Xu
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arm64: dts: hisilicon: hi3798cv200: Add missing dma-ranges 



Reboot starts failing on Poplar since commit 8424ecdd ("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: 2f20182e ("arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
Signed-off-by: default avatarWei Xu <xuwei5@hisilicon.com>
parent c1f2b0f2

arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi

+1 −0
Original line number Diff line number Diff line
@@ -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";